exo2.c

#include <stdio.h>
#include <stdlib.h>

char fuse_tab(int s1, int s2, char *chain1, char *chaine2);

int main() {
    int s1 = 8;
    int s2 = 5;
    char chaine1[s1];
    chaine1[0] = 'O';
    chaine1[1] = 'r';
    chaine1[2] = 'e'; 
    chaine1[3] = 's';
    chaine1[4] = 't';
    chaine1[5] = 'i';
    chaine1[6] = 's';
    chaine1[7] = '\0';
    char chaine2[s2];
    chaine2[0] = 'P';
    chaine2[1] = 'a';
    chaine2[2] = 'u'; 
    chaine2[3] = 'l';
    chaine2[4] = '\0';
    char out_chaine[s1 + s2];
    out_chaine[s1 + s2] = fuse_tab(8, 5, chaine1[8], chaine2[5]);
    for(int i = 0; i < (s1 + s2); ++i){
        printf("%c", out_chaine[i]);
    }
}

char fuse_tab(int s1, int s2, char chaine1[s1], char chaine2[s2]){
    int s;
    if(s1 < s2){
        s = s1;
    }else{
        s = s2;
    }
    char out_chaine[s1 + s2];
    for(int i = 0; i < s; i += 2){
        out_chaine[i] = chaine1[i];
        out_chaine[i + 1] = chaine2[i];
    }
    return out_chaine[s1 + s2];
}