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

#include <omp.h>

int N;
float * dataX;
float * dataY;

void printVector (const float *p, const int N) {
    for (int i=0; i<N; i++)
    printf("%f\n",p[i]);
}

int main(int argc, char *argv[])
{
    if(argc <= 1)
        printf("ERROR");
    else
    {
        N = atoi(argv[1]);
        dataX = (float*)malloc(N*sizeof(float));
        dataY = (float*)malloc(N*sizeof(float));
        // and fill with some arbitrary values

        for(int j=0;j<N;j++)
        {
          #pragma omp parallel for
          for (int i=0; i<N; i++)
          {
              dataX[i] = 10;
              dataY[i] = 20;
          }

          #pragma omp parallel for
          for (int i=0; i<N; i++)
          {
              dataY[i] = dataY[i] * dataX[i];
          }
        }
        //printVector (dataY,N);

        free(dataX);
        free(dataY);
    }
    return 0;
}