ajout corrige serie 8

Programmation/Exercices/serie_08_ex2_corr.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+void swap(int* a, int* b){
+    int tmp = *a;
+    *a = *b;
+    *b = tmp;
+}
+
+void fill(int* tab, int size){
+    for(int i=0; i<size; i++){
+        tab[i] = i;
+    }
+}
+
+void permut_random(int* tab, int size){
+    for(int i=0; i<size; i++){
+        swap(tab+i, tab+(rand()%size));
+    }
+}
+
+void permut_cyclic(int* tab, int size, int n){
+    int* new = malloc(size*sizeof(int));
+    for(int i=0; i<size; i++){
+        new[(i+n)%size] = tab[i];
+    }
+    for(int i=0; i<size; i++){
+        tab[i] = new[i];
+    }
+    free(new);
+}
+
+void place_smaller_at_end(int* tab, int size){
+    int ind_min = 0;
+    for(int i=1; i<size; i++){
+        if(tab[i]<tab[ind_min]) ind_min = i;
+    }
+    swap(tab+ind_min, tab+size-1);
+}
+
+void print(int* tab, int size){
+    for(int i=0; i<size; i++){
+        printf("%d, ", tab[i]);
+    }
+}
+
+void sum(int* tab, int* tab_two, int* tab_three, int size){
+    for(int i=0; i<size; i++){
+        tab_three[i] = tab[i] + tab_two[i];
+    }   
+}
+
+void main(){
+
+    int size;
+    srand(time(NULL));
+
+    printf("Entrez la taille du tableau : ");
+    scanf("%d", &size);
+    
+    int* tab = malloc(size*sizeof(int));
+    
+    fill(tab, size);
+    printf("fill : ");
+    print(tab, size);
+    printf("\n");
+    
+    printf("permut random : ");
+    permut_random(tab, size);
+    print(tab, size);
+    printf("\n");
+
+    printf("permut cyclic 3 : ");
+    permut_cyclic(tab, size, 3);
+    print(tab, size);
+    printf("\n");
+
+    printf("place smaller at the end: ");
+    place_smaller_at_end(tab, size);
+    print(tab, size);
+    printf("\n");
+
+    int* tab_two = malloc(size*sizeof(int));
+
+    fill(tab_two, size);
+    permut_random(tab_two, size);
+    permut_cyclic(tab_two, size, 3);
+    place_smaller_at_end(tab_two, size);
+    printf("tab_two : ");
+    print(tab_two, size);
+    printf("\n");
+
+    int* tab_three = malloc(size*sizeof(int));
+
+    sum(tab, tab_two, tab_three, size);
+    printf("sum : ");
+    print(tab_three, size);
+    printf("\n");
+
+    free(tab);
+    free(tab_two);
+    free(tab_three);
+}
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