From aceb7ebdb8b96024898b4cf80cf081f47e04fcb9 Mon Sep 17 00:00:00 2001
From: Ninjdai <ninjdai@duck.com>
Date: Tue, 22 Oct 2024 13:03:17 +0200
Subject: [PATCH] Initial commit

---
 TP1/part_1.c                      | 131 ++++++++++++++++++++++++++
 TP1/part_2                        | Bin 0 -> 16216 bytes
 TP1/part_2.c                      | 148 ++++++++++++++++++++++++++++++
 TP1/part_3                        | Bin 0 -> 15840 bytes
 TP1/part_3.c                      |  70 ++++++++++++++
 TP1/part_3.h                      |  24 +++++
 TP2/part_1/concatenate            | Bin 0 -> 15896 bytes
 TP2/part_1/concatenate.c          |  34 +++++++
 TP2/part_1/copied.log             |   2 +
 TP2/part_1/copy                   | Bin 0 -> 15896 bytes
 TP2/part_1/copy.c                 |  35 +++++++
 TP2/part_1/dummy.log              |   2 +
 TP2/part_1/dummy_append.log       |  16 ++++
 TP2/part_1/dummy_novowels.log     |   2 +
 TP2/part_1/dummy_novowels.log.bak |   2 +
 TP2/part_1/rm_vowels              | Bin 0 -> 16000 bytes
 TP2/part_1/rm_vowels.c            |  36 ++++++++
 TP2/part_1/tableau                | Bin 0 -> 15608 bytes
 TP2/part_1/tableau.c              |  19 ++++
 TP2/part_1/tableau_output         | Bin 0 -> 2048 bytes
 TP2/part_3/out                    |   1 +
 TP2/part_3/serialization          | Bin 0 -> 15992 bytes
 TP2/part_3/serialization.c        |  56 +++++++++++
 TP3/decoupage                     | Bin 0 -> 15688 bytes
 TP3/decoupage.c                   |  83 +++++++++++++++++
 TP3/stringprinter                 | Bin 0 -> 15704 bytes
 TP3/stringprinter.c               |  31 +++++++
 TP3/test                          |   1 +
 TP4/ex_4                          | Bin 0 -> 15696 bytes
 TP4/ex_4.c                        |  74 +++++++++++++++
 TP4/union_ex1                     | Bin 0 -> 15592 bytes
 TP4/union_ex1.c                   |  29 ++++++
 TP4/union_ex3                     | Bin 0 -> 15480 bytes
 TP4/union_ex3.c                   |  15 +++
 34 files changed, 811 insertions(+)
 create mode 100644 TP1/part_1.c
 create mode 100755 TP1/part_2
 create mode 100644 TP1/part_2.c
 create mode 100755 TP1/part_3
 create mode 100644 TP1/part_3.c
 create mode 100644 TP1/part_3.h
 create mode 100755 TP2/part_1/concatenate
 create mode 100644 TP2/part_1/concatenate.c
 create mode 100644 TP2/part_1/copied.log
 create mode 100755 TP2/part_1/copy
 create mode 100644 TP2/part_1/copy.c
 create mode 100644 TP2/part_1/dummy.log
 create mode 100644 TP2/part_1/dummy_append.log
 create mode 100644 TP2/part_1/dummy_novowels.log
 create mode 100644 TP2/part_1/dummy_novowels.log.bak
 create mode 100755 TP2/part_1/rm_vowels
 create mode 100644 TP2/part_1/rm_vowels.c
 create mode 100755 TP2/part_1/tableau
 create mode 100644 TP2/part_1/tableau.c
 create mode 100644 TP2/part_1/tableau_output
 create mode 100644 TP2/part_3/out
 create mode 100755 TP2/part_3/serialization
 create mode 100644 TP2/part_3/serialization.c
 create mode 100755 TP3/decoupage
 create mode 100644 TP3/decoupage.c
 create mode 100755 TP3/stringprinter
 create mode 100644 TP3/stringprinter.c
 create mode 100644 TP3/test
 create mode 100755 TP4/ex_4
 create mode 100644 TP4/ex_4.c
 create mode 100755 TP4/union_ex1
 create mode 100644 TP4/union_ex1.c
 create mode 100755 TP4/union_ex3
 create mode 100644 TP4/union_ex3.c

diff --git a/TP1/part_1.c b/TP1/part_1.c
new file mode 100644
index 0000000..40f3c45
--- /dev/null
+++ b/TP1/part_1.c
@@ -0,0 +1,131 @@
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define TAB_SIZE 7
+
+void afficheTab(int tab[], int size);
+int* fibonacci(int n);
+void print_sizes();
+void exercice_4();
+int est_permutation(int* tab, int n);
+int * permutation(int n);
+char * appliquer_permutation(char * T, int * permutation, int n);
+
+int main(int argc, char *argv[])
+{
+    /*int i;
+
+    int *tab = fibonacci(TAB_SIZE);
+    int * tabptr = tab;
+
+    afficheTab(tab, TAB_SIZE);
+    printf("\n\n");
+    */
+    //print_sizes();
+    //exercice_4();
+
+    // int tab[8] = {0, 1, 2, 3, 4, 5, 6, 7};
+    // printf("%d\n", est_permutation(tab, 8));
+
+    /*int * tab = permutation(TAB_SIZE);
+    afficheTab(tab, TAB_SIZE);
+    char bliat[TAB_SIZE] = "Bonjour";
+
+    char * bliat_perm = appliquer_permutation(bliat, tab, TAB_SIZE);
+    for (int i=0; i<TAB_SIZE; i++) {
+        printf("%c", bliat_perm[i]);
+    }
+    printf("\n");
+
+    free(bliat_perm);
+    free(tab);*/
+
+    return 0;
+}
+
+char * appliquer_permutation(char * T, int * permutation, int n) {
+    int i;
+    char * result = malloc(sizeof(char)*n);
+    for (i=0; i<n; i++) {
+        result[i] = T[permutation[i]];
+    }
+    return result;
+}
+
+int * permutation(int n) {
+    int i, x1, x2, tmp;
+    int * tab = malloc(sizeof(int)*n);
+    for (i=0; i<n; i++) {
+        tab[i]=i;
+    }
+
+    srand(time(NULL));
+
+    for (i=0; i<n; i++) {
+        x1 = rand()%n;
+        x2 = rand()%n;
+        tmp = tab[x1];
+        tab[x1] = tab[x2];
+        tab[x2] = tmp;
+    }
+
+    return tab;
+}
+
+int est_permutation(int* tab, int n) {
+    int i;
+    int* checked_tab = malloc(sizeof(int)*n);
+    for (i=0; i<n; i++) {
+        if(tab[i]<n && checked_tab[tab[i]]==0){
+            checked_tab[tab[i]]=1;
+        } else {
+            return 0;
+        }
+    }
+    free(checked_tab);
+    return 1;
+}
+
+void afficheTab(int * tabptr, int size) {
+    int i;
+
+    if (tabptr==NULL) {
+        return;
+    }
+    for (i=0; i<size; i++) {
+        printf("%d, ", tabptr[i]);
+    }
+    printf("\n");
+}
+
+void exercice_4() {
+    void * Z = malloc(10*4);
+    int * X = Z;
+    //afficheTab(X,10);
+    //afficheTab((int *)((char *)X+8),8);
+    free(Z);
+}
+
+int* fibonacci(int n) {
+    int i;
+    int* tab = malloc(sizeof(int)*n);
+    tab[0] = 0;
+    tab[1] = 1;
+    
+    for (i=2; i<n; i++) {
+        tab[i]= tab[i-2] + tab[i-1];
+    }
+
+    return tab;
+}
+
+void print_sizes() {
+    printf("char : %lu\n", sizeof(char));
+    printf("int * : %lu\n", sizeof(int *));
+    printf("int* : %lu\n", sizeof(int*));
+    printf("void : %lu\n", sizeof(void));
+    printf("void * : %lu\n", sizeof(void *));
+    printf("long int : %lu\n", sizeof(long int));
+    printf("long int * : %lu\n", sizeof(long int *));
+}
diff --git a/TP1/part_2 b/TP1/part_2
new file mode 100755
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diff --git a/TP1/part_2.c b/TP1/part_2.c
new file mode 100644
index 0000000..4293d29
--- /dev/null
+++ b/TP1/part_2.c
@@ -0,0 +1,148 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#define NB_LIGNES 9
+#define NB_COLONNES 3
+
+float ** tableau(int n, int m);
+void autofill_tableau(float** tab, int n, int m);
+void autofill_tableau_int(float** tab, int n, int m, int v);
+void fill_tableau(float** tab, int n, int m);
+void print_tableau(float** tab, int n, int m);
+void print_tableau_int(float** tab, int n, int m);
+float ** right_rot(float** tab, int n, int m);
+
+/*
+* Libère le tableau
+* n: nombre de lignes du tableau
+*/
+void free_tab(float** tab, int n);
+
+float ** triangle_pascal(int size);
+
+#define PASCAL 5
+
+int main(int argc, char *argv[]) {
+    srand(time(NULL));
+
+    float ** tab = tableau(NB_LIGNES, NB_COLONNES);
+    autofill_tableau(tab, NB_LIGNES, NB_COLONNES);
+    //fill_tableau(tab, NB_LIGNES, NB_COLONNES);
+    print_tableau(tab, NB_LIGNES, NB_COLONNES);
+
+    printf("\n\n");
+
+    float ** rot_tab = right_rot(tab, NB_LIGNES, NB_COLONNES);
+    print_tableau(rot_tab, NB_COLONNES, NB_LIGNES);
+    
+    free_tab(tab, NB_LIGNES);
+    free_tab(rot_tab, NB_COLONNES);
+    /*float ** t = triangle_pascal(PASCAL);
+    print_tableau_int(t, PASCAL, PASCAL);*/
+    return 0;
+}
+
+float ** triangle_pascal(int size) {
+    int i,j;
+    float ** tr = tableau(size, size);
+    autofill_tableau_int(tr, size, size, 0);
+    
+    tr[0][0] = 1;
+    for (i=1; i<size; i++) {
+        for (j=0; j<size; j++) {
+            tr[i][j] = tr[i-1][j-1]+tr[i-1][j];
+        }
+    }
+
+    return tr;
+}
+
+void free_tab(float** tab, int n) {
+    int i;
+    for (i=0; i<n; i++) {
+        free(tab[i]);
+    }
+    free(tab);
+}
+
+float ** right_rot(float** tab, int n, int m) {
+    int lgn, col;
+    float ** rot_tab = tableau(m, n);
+    for (lgn=0; lgn<n; lgn++) {
+        for (col=0; col<m; col++) {
+            rot_tab[col][(m-lgn)] = tab[lgn][col];
+        }
+    }
+    return rot_tab;
+}
+
+float ** tableau(int n, int m) {
+    int i;
+    int success=1;
+    void* ptr;
+    float ** tab = malloc(sizeof(float*)*n);
+    for (i=0; i<n; i++) {
+        ptr = malloc(sizeof(float)*m);
+        if (ptr == 0) {
+            success=0;
+            break;
+        }
+        tab[i] = ptr;
+    }
+    
+    if(success!=0)
+        return tab;
+    else
+        return NULL;
+}
+
+#define RAND_RANGE 69
+void autofill_tableau(float** tab, int n, int m) {
+    int lgn, col;
+    for (lgn=0; lgn<n; lgn++) {
+        for (col=0; col<m; col++) {
+            tab[lgn][col] = (float)rand()/(float)(RAND_MAX/RAND_RANGE);
+        }
+    }
+}
+void autofill_tableau_int(float** tab, int n, int m, int v) {
+    int lgn, col;
+    for (lgn=0; lgn<n; lgn++) {
+        for (col=0; col<m; col++) {
+            tab[lgn][col] = v;
+        }
+    }
+}
+
+void fill_tableau(float** tab, int n, int m) {
+    int lgn, col;
+    float tmp;
+    for (lgn=0; lgn<n; lgn++) {
+        for (col=0; col<m; col++) {
+            printf("Ligne %d / Colonne %d: ", lgn, col);
+            scanf("%f", &tmp);
+            tab[lgn][col] = tmp;
+        }
+    }
+}
+
+void print_tableau(float** tab, int n, int m) {
+    int lgn, col;
+    for (lgn=0; lgn<n; lgn++) {
+        for (col=0; col<m; col++) {
+            printf("  %f  ", tab[lgn][col]);
+        }
+        printf("\n");
+    }
+}
+
+void print_tableau_int(float** tab, int n, int m) {
+    int lgn, col;
+    for (lgn=0; lgn<n; lgn++) {
+        for (col=0; col<m; col++) {
+            printf("  %d  ", (int)tab[lgn][col]);
+        }
+        printf("\n");
+    }
+}
diff --git a/TP1/part_3 b/TP1/part_3
new file mode 100755
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literal 0
HcmV?d00001

diff --git a/TP1/part_3.c b/TP1/part_3.c
new file mode 100644
index 0000000..c7aafc7
--- /dev/null
+++ b/TP1/part_3.c
@@ -0,0 +1,70 @@
+#include "part_3.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+
+Liste * create_list() {
+    Liste * list = malloc(sizeof(Liste));
+    list->nb_elements_ = 0;
+    return list;
+}
+
+int list_length(Liste list) {
+    return list.nb_elements_;
+}
+
+void append(Liste * list, int val) {
+    Element * el = malloc(sizeof(Element));
+    el->val_ = val;
+    el->prev_ = list->tail_;
+    
+    if (list->tail_ != NULL) {
+        list->tail_->next_ = el;
+    }
+    list->tail_ = el;
+    list->nb_elements_ += 1;
+    if (list->nb_elements_==1) {
+        list->head_ = el;
+    }
+}
+
+void append_head(Liste * list, int val) {
+    Element * el = malloc(sizeof(Element));
+    
+    list->head_->prev_ = el;
+    list->head_ = el;
+    list->nb_elements_ += 1;
+}
+
+int first_value(Liste * list) {
+    return list->head_->val_;
+} 
+
+int last_value(Liste * list) {
+    return list->tail_->val_;
+}
+
+void print_list(Liste * list) {
+    if (list->head_ == NULL) {
+        printf("[]\n");
+        return;
+    }
+    Element* current_el = list->head_;
+    printf("[");
+    printf("%lu", (unsigned long)current_el);
+    while (current_el != NULL) {
+        printf("%d, ", current_el->val_);
+        current_el = current_el->next_;
+    }
+    printf("]\n");
+}
+
+int main(int argc, char *argv[])
+{
+    Liste * list = create_list();
+
+    append(list, 69);
+
+    print_list(list);
+    return 0;
+}
diff --git a/TP1/part_3.h b/TP1/part_3.h
new file mode 100644
index 0000000..13e223e
--- /dev/null
+++ b/TP1/part_3.h
@@ -0,0 +1,24 @@
+
+typedef struct LListe Liste ;
+typedef struct LElement Element ;
+
+struct LListe{
+    int nb_elements_ ;
+    Element * head_ ;
+    Element * tail_ ;
+} ;
+
+struct LElement{
+    /**
+    * Element suivant / NULL si dernier element
+    */
+    Element * next_ ;
+    /**
+    * Element pr´ec´edente
+    */
+    Element * prev_ ;
+    /**
+    * Valeur stock´ee dans la cellule.
+    */
+    int val_ ;
+};
diff --git a/TP2/part_1/concatenate b/TP2/part_1/concatenate
new file mode 100755
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GIT binary patch
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literal 0
HcmV?d00001

diff --git a/TP2/part_1/concatenate.c b/TP2/part_1/concatenate.c
new file mode 100644
index 0000000..e79716c
--- /dev/null
+++ b/TP2/part_1/concatenate.c
@@ -0,0 +1,34 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+    if (argc != 3) {
+        printf("Usage: copy <file1> <file2>\n");
+        exit(-1);
+    }
+    
+    FILE * ogf = fopen(argv[1], "r");
+    if (ogf==NULL) {
+        perror("Error while opening file1");
+    }
+
+    FILE * tf = fopen(argv[2], "a+");
+    if (tf==NULL) {
+        perror("Error while opening file2");
+    }
+
+    fseek(ogf, 0, SEEK_END);
+    int ogf_size = ftell(ogf);
+    fseek(ogf, 0, SEEK_SET);
+
+    char * f = malloc(sizeof(char) * ogf_size);
+    fread(f, sizeof(char), ogf_size, ogf);
+
+    fwrite(f, sizeof(char), ogf_size, tf);
+
+    fclose(ogf);
+    fclose(tf);
+    
+    return 0;
+}
+
diff --git a/TP2/part_1/copied.log b/TP2/part_1/copied.log
new file mode 100644
index 0000000..dabadf2
--- /dev/null
+++ b/TP2/part_1/copied.log
@@ -0,0 +1,2 @@
+UwU
+Sussy Baka :3
diff --git a/TP2/part_1/copy b/TP2/part_1/copy
new file mode 100755
index 0000000000000000000000000000000000000000..2de075f530a558264302b35bdb2f1bff087b17ec
GIT binary patch
literal 15896
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Cy{wD?

literal 0
HcmV?d00001

diff --git a/TP2/part_1/copy.c b/TP2/part_1/copy.c
new file mode 100644
index 0000000..a3483a9
--- /dev/null
+++ b/TP2/part_1/copy.c
@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <memory.h>
+
+int main(int argc, char *argv[]) {
+    if (argc != 3) {
+        printf("Usage: copy <file1> <file2>\n");
+        exit(-1);
+    }
+    
+    FILE * ogf = fopen(argv[1], "r");
+    if (ogf==NULL) {
+        perror("Error while opening file1");
+    }
+
+    FILE * tf = fopen(argv[2], "w+");
+    if (tf==NULL) {
+        perror("Error while opening file2");
+    }
+
+    fseek(ogf, 0, SEEK_END);
+    int ogf_size = ftell(ogf);
+    fseek(ogf, 0, SEEK_SET);
+
+    char * f = malloc(sizeof(char) * ogf_size);
+    fread(f, sizeof(char), ogf_size, ogf);
+
+    fwrite(f, sizeof(char), ogf_size, tf);
+
+    fclose(ogf);
+    fclose(tf);
+    
+    return 0;
+}
+
diff --git a/TP2/part_1/dummy.log b/TP2/part_1/dummy.log
new file mode 100644
index 0000000..dabadf2
--- /dev/null
+++ b/TP2/part_1/dummy.log
@@ -0,0 +1,2 @@
+UwU
+Sussy Baka :3
diff --git a/TP2/part_1/dummy_append.log b/TP2/part_1/dummy_append.log
new file mode 100644
index 0000000..f75988b
--- /dev/null
+++ b/TP2/part_1/dummy_append.log
@@ -0,0 +1,16 @@
+UwU
+Sussy Baka :3
+UwU
+Sussy Baka :3
+UwU
+Sussy Baka :3
+UwU
+Sussy Baka :3
+UwU
+Sussy Baka :3
+UwU
+Sussy Baka :3
+UwU
+Sussy Baka :3
+UwU
+Sussy Baka :3
diff --git a/TP2/part_1/dummy_novowels.log b/TP2/part_1/dummy_novowels.log
new file mode 100644
index 0000000..17a8412
--- /dev/null
+++ b/TP2/part_1/dummy_novowels.log
@@ -0,0 +1,2 @@
+UwU
+I'm a Sussy Baka :3
diff --git a/TP2/part_1/dummy_novowels.log.bak b/TP2/part_1/dummy_novowels.log.bak
new file mode 100644
index 0000000..decfe29
--- /dev/null
+++ b/TP2/part_1/dummy_novowels.log.bak
@@ -0,0 +1,2 @@
+UwU
+I'm Sussy Baka :3
diff --git a/TP2/part_1/rm_vowels b/TP2/part_1/rm_vowels
new file mode 100755
index 0000000000000000000000000000000000000000..0d5ba5b87652b08da62ec001f2edcb2d67687f90
GIT binary patch
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DA0;|B

literal 0
HcmV?d00001

diff --git a/TP2/part_1/rm_vowels.c b/TP2/part_1/rm_vowels.c
new file mode 100644
index 0000000..1426751
--- /dev/null
+++ b/TP2/part_1/rm_vowels.c
@@ -0,0 +1,36 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <memory.h>
+
+int main(int argc, char *argv[]) {
+    if (argc != 2) {
+        printf("Usage: rm_vowels <file>\n");
+        exit(-1);
+    }
+    
+    FILE * file = fopen(argv[1], "r+");
+    if (file==NULL) {
+        perror("Error while opening file");
+    }
+
+    fseek(file, 0, SEEK_END);
+    int file_size = ftell(file);
+    fseek(file, 0, SEEK_SET);
+
+    char * f = malloc(sizeof(char) * file_size);
+    fread(f, sizeof(char), file_size, file);
+
+    fclose(file);
+    file = fopen(argv[1], "w+");
+
+    for(int i = 0; i<file_size; i++) {
+        if (!(f[i]=='a' || f[i]=='e' || f[i]=='i' || f[i]=='o' || f[i]=='u' || f[i]=='y' || f[i]=='A' || f[i]=='E' || f[i]=='I' || f[i]=='O' || f[i]=='U' || f[i]=='Y')){
+            fputc(f[i], file);
+        }
+    }
+
+    fclose(file);
+    
+    return 0;
+}
+
diff --git a/TP2/part_1/tableau b/TP2/part_1/tableau
new file mode 100755
index 0000000000000000000000000000000000000000..a232b42fc024a9c235fcb325ff1b3dada15bb858
GIT binary patch
literal 15608
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HcmV?d00001

diff --git a/TP2/part_1/tableau.c b/TP2/part_1/tableau.c
new file mode 100644
index 0000000..2b1d998
--- /dev/null
+++ b/TP2/part_1/tableau.c
@@ -0,0 +1,19 @@
+
+#include <stdio.h>
+int main(int argc, char* argv[]) {
+    if(argc!=2) {
+        printf("Usage: tableau <file>");
+        return -1;
+    }
+    
+    int T[512];
+    for (int i=0;i<512;i++) {
+        T[i] = i;
+    }
+
+    FILE * F = fopen(argv[1], "w+");
+
+    fwrite(T, sizeof(int), 512, F);
+
+    return 0;
+}
diff --git a/TP2/part_1/tableau_output b/TP2/part_1/tableau_output
new file mode 100644
index 0000000000000000000000000000000000000000..0980613d06cdba26ecc7db4d93e22581249f481d
GIT binary patch
literal 2048
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literal 0
HcmV?d00001

diff --git a/TP2/part_3/out b/TP2/part_3/out
new file mode 100644
index 0000000..ad9658d
--- /dev/null
+++ b/TP2/part_3/out
@@ -0,0 +1 @@
+list: [9] 0, 9, 18, 27, 36, 45, 54, 63, 72
\ No newline at end of file
diff --git a/TP2/part_3/serialization b/TP2/part_3/serialization
new file mode 100755
index 0000000000000000000000000000000000000000..932c8e25db6ee8b87245e761cbf21f0b434201b8
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/TP2/part_3/serialization.c b/TP2/part_3/serialization.c
new file mode 100644
index 0000000..fa139d3
--- /dev/null
+++ b/TP2/part_3/serialization.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define INT_N 9
+
+void write_list_to_stream(int * list, int size);
+int * read_list_from_stream();
+
+int main(int argc, char *argv[])
+{
+    int * l = malloc(sizeof(int) * INT_N);
+    for (int i = 0; i<INT_N; i++) {
+        l[i] = i*INT_N;
+    }
+
+    write_list_to_stream(l, INT_N);
+
+    read_list_from_stream();
+
+    return 0;
+}
+
+void write_list_to_stream(int * list, int size) {
+    FILE * f = fopen("out", "w+");
+    char * lst = malloc(9+size%10);
+    sprintf(lst, "list: [%d] ", size);
+    fwrite(lst, 1, 10+size/10, f);
+    free(lst);
+
+    for (int i = 1; i<size; i++) {
+        fprintf(f, "%d, ", list[i-1]);
+    }
+    fprintf(f, "%d", list[size-1]);
+
+    fclose(f);
+}
+
+int * read_list_from_stream() {
+    FILE * f = fopen("out", "r+");
+    int size;
+    fscanf(f, "list: [%d] ", &size);
+
+    int * list = malloc(sizeof(int)*size);
+    for (int i = 1; i<size; i++) {
+        fscanf(f, "%d, ", &list[i-1]);
+    }
+    fscanf(f, "%d", &list[size-1]);
+
+    for (int i = 0; i<size; i++) {
+        printf("%d, ", list[i]);
+    }
+
+    fclose(f);
+
+    return list;
+}
diff --git a/TP3/decoupage b/TP3/decoupage
new file mode 100755
index 0000000000000000000000000000000000000000..f135f80d9332f48db2e9f1dcc9e9a32bd9f2b60b
GIT binary patch
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HcmV?d00001

diff --git a/TP3/decoupage.c b/TP3/decoupage.c
new file mode 100644
index 0000000..29def33
--- /dev/null
+++ b/TP3/decoupage.c
@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+int * int_list_from_str(char * str);
+int int_count_from_str(char * str);
+
+int main(int argc, char *argv[]) {
+    if (argc != 2) {
+        printf("Usage: %s <string>\n", argv[0]);
+        return -1;
+    }
+
+    printf("%d ints\n", int_count_from_str(argv[1]));
+    /*int * list = int_list_from_str(argv[1]);
+    for (int i=0; i<int_count_from_str(argv[1]); i++) {
+        printf("%d ", list[i]);
+    }*/
+
+    return 0;
+}
+
+int * int_list_from_str(char * str) {
+    int ico = int_count_from_str(str);
+    int * list = malloc(sizeof(int)*ico);
+
+    int len = strlen(str);
+    
+    int current_i = 0;
+    int is_i = 1;
+    int ic = 0;
+    for (int i = 0; i < len; i++) {
+        if (str[i] == ' ') {
+            if ((i+1 < len && str[i+1] != ' ') || (i+1)==len) {
+                list[ic] = current_i;
+                ic++;
+            }
+            is_i = 0;
+            current_i = 0;
+        } else if (isdigit(str[i])) {
+            if (is_i) {
+                current_i *= 10;
+            } else {
+                is_i = 1;
+            }
+            current_i += (str[i] - '0');
+        } else if (str[i]=='-' && current_i > 0) {
+            current_i *= -1;
+        } else {
+            return 0;
+        }
+    }
+    return list;
+}
+
+int int_count_from_str(char * str) {
+    int ic = 0;
+    int current_i = 0;
+    int is_i = 1;
+
+    int len = strlen(str);
+    for (int i = 0; i < len; i++) {
+        printf("str[%d]: %c\n", i, str[i]);
+        if (str[i] == ' ') {
+            if ((i+1 < len && str[i+1] != ' ') || (i+1)==len) ic++;
+            is_i = 0;
+            current_i = 0;
+        } else if (isdigit(str[i])) {
+            if (is_i) {
+                current_i *= 10;
+            } else {
+                is_i = 1;
+            }
+            current_i += (str[i] - '0');
+        } else if (str[i]=='-' && current_i > 0) {
+            current_i *= -1;
+        } else {
+            return 0;
+        }
+    }
+    return ic;
+}
diff --git a/TP3/stringprinter b/TP3/stringprinter
new file mode 100755
index 0000000000000000000000000000000000000000..9bcd58a29843dfa6bb38939153d5a8082f6f2728
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/TP3/stringprinter.c b/TP3/stringprinter.c
new file mode 100644
index 0000000..f61e5e0
--- /dev/null
+++ b/TP3/stringprinter.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+
+int main(int argc, char *argv[])
+{
+    if (argc!=3) {
+        printf("Usage: %s <file> <string>", argv[0]);
+        return -1;
+    }
+
+    FILE * f = fopen(argv[1], "w+");
+    if (f==NULL) {
+        printf("Error while opening file %s\n", argv[1]);
+        return -2;
+    }
+
+    for (int i = 0; i<2000; i++) {
+        fprintf(f, "%s", argv[2]);
+        usleep(rand()%100);
+    }
+
+
+    fclose(f);
+    return 0;
+}
+
+/*
+* Si programme executé plusieurs fois sur le même fichier simultanément, deuxième programme lancé prend le pas après un court temps
+*/
diff --git a/TP3/test b/TP3/test
new file mode 100644
index 0000000..4f79322
--- /dev/null
+++ b/TP3/test
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/TP4/ex_4 b/TP4/ex_4
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diff --git a/TP4/ex_4.c b/TP4/ex_4.c
new file mode 100644
index 0000000..87f397d
--- /dev/null
+++ b/TP4/ex_4.c
@@ -0,0 +1,74 @@
+
+#include <stdio.h>
+int less(int a, int b);
+int more(int a, int b);
+int pair_more(int a, int b);
+
+void sort(int * tab, int size_tab, int (* sort_func)(int, int));
+
+void print_tab(int * tab, int size) {
+    printf("tab[%d] = [", size);
+    for (int i=0; i<size; i++) {
+        printf("%d ", tab[i]);
+    }
+    printf("]\n");
+}
+
+int main(int argc, char *argv[]) {
+    printf("%d, ", less(5, 6));
+    printf("%d, ", more(5, 6));
+    printf("%d\n", pair_more(4, 5));
+
+    int tab[10] = {6, 9, 0, 5, 3, 7, 4, 8, 1, 2};
+    print_tab(tab, 10);
+    sort(tab, 10, less);
+    print_tab(tab, 10);
+    sort(tab, 10, more);
+    print_tab(tab, 10);
+    sort(tab, 10, pair_more);
+    print_tab(tab, 10);
+
+    return 0;
+}
+
+
+
+int less(int a, int b) {
+    if (a < b) {
+        return 1;
+    } else {
+        return -1;
+    }
+}
+
+int more(int a, int b) {
+    if (a > b) {
+        return 1;
+    } else {
+        return -1;
+    }
+}
+
+int pair_more(int a, int b) {
+    if (a%2==0) {
+        if (b%2!=0) {
+            return 1;
+        } else {
+            return more(a, b);
+        }
+    }
+    return -1;
+}
+
+void sort(int * tab, int size_tab, int (* sort_func)(int, int)) {
+    int i,j, tmp;
+    for (i=0; i<size_tab-1; i++) {
+        for (j=i+1; j<size_tab; j++) {
+            if (sort_func(tab[i], tab[j]) == -1) {
+                tmp = tab[j];
+                tab[j] = tab[i];
+                tab[i] = tmp;
+            }
+        }
+    }
+}
diff --git a/TP4/union_ex1 b/TP4/union_ex1
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literal 0
HcmV?d00001

diff --git a/TP4/union_ex1.c b/TP4/union_ex1.c
new file mode 100644
index 0000000..a751d01
--- /dev/null
+++ b/TP4/union_ex1.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+
+typedef union int_test {
+    int a;
+    char b[4];
+} test;
+
+void print_hex(int n);
+
+int main(int argc, char *argv[])
+{
+    /*test i = {.a=429496729};
+    for(int j=0; j<4; j++){
+        printf("%d ", i.b[j]);
+    }
+    printf("\n");*/
+
+    print_hex(14*256 + 11*16 + 8);
+    print_hex(4*256 + 2*16 + 0);
+    return 0;
+}
+
+void print_hex(int n) {
+    test i = {.a=n};
+    for (int j=0; j<4; j++) {
+        printf("%d ", i.b[j]);
+    }
+    printf("\n");
+}
diff --git a/TP4/union_ex3 b/TP4/union_ex3
new file mode 100755
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diff --git a/TP4/union_ex3.c b/TP4/union_ex3.c
new file mode 100644
index 0000000..dbf71e6
--- /dev/null
+++ b/TP4/union_ex3.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void print_hex(int n);
+
+int main(int argc, char *argv[])
+{
+    print_hex(14*256 + 11*16 + 8); //0xeb8
+    print_hex(4*256 + 2*16 + 0); //0x420
+    return 0;
+}
+
+void print_hex(int n) {
+    printf("%x\n", n);
+}