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

#define NL 9
#define NC 17

int main(void) {
  srand(3);
  long t[NL][NC];
  printf("%zu octets\n", sizeof(t));
  printf("\n");
  for (int l = 0; l < NL; l++) {
    for (int c = 0; c < NC; c++) {
      t[l][c] = rand() % 1000;
    }
  }
  for (int l = 0; l < NL; l++) {
    for (int c = 0; c < NC; c++) {
      printf("%4ld", t[l][c]);
    }
    printf("\n");
  }
  printf("\n");
  for (int l = 0; l < NL; l++) {
    long somme = 0;
    for (int c = 0; c < NC; c++) {
      somme += t[l][c];
    }
    printf("%4d : %7ld\n", l, somme);
  }
  printf("\n");
  int l = 0;
  int c = 0;
  bool zeroTrouve = false;
  do {
    if (t[l][c] == 0) {
      zeroTrouve = true;
    }
    else {
      c++;
      if (c == NC) {
        c = 0;
        l++;
      }
    }
  } while ((l < NL) && (!zeroTrouve));
  if (zeroTrouve) {
    printf("Il y a un zero en position %d %d\n", l, c);
  }
  else {
    printf("Il n'y a pas de zero\n");
  }
  return 0;
}