Varianta7Subiectul3Problema3.cpp

#include <fstream.h>
ofstream f("bac.txt");
void main() {
  int n, v[300], i, p = 0, ip = 0, gasit;
  cin >> n;
  for (i = 1; i <= n * 3; i++)
    cin >> v[i];
  gasit = 0;
  i = 1;
  while (i <= n && !gasit) {
    if (v[i] % 2 == 0) {
      gasit = 1;
      p = i;
    }
    i++;
  }
  gasit = 0;
  i = 3 * n;
  while (i >= 2 * n + 1 && !gasit) {
    if (v[i] % 2 == 1) {
      gasit = 1;
      ip = i;
    }
    i--;
  }
  if (p != 0 && ip != 0) {
    int aux = v[p];
    v[p] = v[ip];
    v[ip] = aux;
  }
  for (i = 1; i <= n * 3; i++)
    f << v[i] << " ";
}