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

int work1(int N){
  int j = 0;
  for (int i=0;i<N;i++){
    j += (i+1)%2;
  }
  return j;
}

void dead_lock_1 (int N)
{
#pragma omp parallel default(shared)
  {
    int i;
    #pragma omp for
      for (i=0; i<N; i++) {
        work1(i);
        #pragma omp barrier
        work1(i);
      }
  }
}

int main (int argc, char *argv[]){
  long N = atoi(argv[1]);
  dead_lock_1 (N);
  return 0;
}