euclide.c

#include <stdio.h>

int pgcd(int a, int b) {
    
    while(b != 0) {
        int tmp = b;
        b   = a % b;
        a   = tmp;
    }
    return a;
}

int main() {
    
    int a = 50;
    int b = 62;
    int res = pgcd(a,b);
    printf("Le pgcd de %i et %i est %i ",a, b, res);
    return 0;
}