Tp1 Pointeur

TP1-Pointeur/Ex1.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main(){
+
+    char str[100] = "Hello World";
+
+    int diff = 'a' - 'A';
+    int espace = ' ';
+
+    for(int i = 0; i < strlen(str); i++){
+      if(str[i] == espace){
+        printf("%c", espace);
+      }
+      else if('A' < str[i] && str[i] < 'Z'){
+          printf("%c", str[i]);
+      }
+      else{
+          printf("%c", str[i] - diff);
+      }
+    }
+
+    return 0;
+}
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TP1-Pointeur/Ex2.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int min(int *tab, int n){
+    int min = tab[0];
+    for(int i=1;i<n;i++){
+        if(tab[i]<min){
+          min = tab[i];
+        }
+    }
+    return min;
+}
+
+void sub(int *tab, int n, int s){
+    for(int i=0;i<n;i++){
+        tab[i] = tab[i] - s;
+    }
+}
+
+int main(){
+    int taille = 10;
+    int *str = (int*) malloc(taille*sizeof(int));
+
+    for(int i=0;i<10;i++){
+      scanf("%i",&str[i]);
+    }
+
+    int m = min(str,taille);
+
+    sub(str,taille,m);
+
+    for(int i=0;i<taille;i++){
+      printf("%d ",str[i]);
+    }
+    printf("\n");
+
+    return 0;
+}
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TP1-Pointeur/Ex3.c

+Code assembleur pas encore vu
\ No newline at end of file

TP1-Pointeur/Ex4.c

+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    int taille = 11;
+    int *tab = (int *)malloc(taille * sizeof(int));
+    int *tabVide = (int *)malloc(taille * sizeof(int));
+
+    if (tab == NULL || tabVide == NULL) {
+        perror("Échec de l'allocation mémoire");
+        return EXIT_FAILURE;
+    }
+
+    // Initialisation du tableau `tab`
+    for (int i = 0; i < taille; i++) {
+        tab[i] = i;
+    }
+
+    // Remplissage de `tabVide`
+    for (int i = taille - 1; i >= taille / 2; i--) {
+        tabVide[2 * (taille - i - 1)] = tab[taille - i - 1];
+        if (taille - i - 1 != i){
+            tabVide[2 * (taille - i - 1) + 1] = tab[i];
+        }
+    }
+
+    // Affichage de `tabVide`
+    for (int i = 0; i < taille; i++) {
+        printf("%d ", tabVide[i]);
+    }
+    printf("\n");
+
+    // Libération de la mémoire
+    free(tab);
+    free(tabVide);
+
+    return 0;
+}

TP1-Pointeur/Ex5.c

+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    char* chaine = (char*) malloc(20);
+
+    char str = 'a';
+    int i = 0;
+
+    while (str != 10) {
+        scanf("%c", &str);
+        chaine[i%20] = str;
+        i++;
+    }
+
+    for (int j = 0; j < 20; j++) {
+      printf("%c", chaine[(i+j)%20]);
+    }
+
+    return 0;
+}