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

#define VEC_VALUES_SIZE 100
#define SIZE 600000

int main(void)
{
  int a[VEC_VALUES_SIZE];
  int b[VEC_VALUES_SIZE];

  int vec_1[SIZE];
  int vec_2[SIZE];
  int vec_3[SIZE];

  clock_t start = 0;
  clock_t end = 0;
  double cpu_time = 0.0;
  int i = 0;

  for(i = 0; i < VEC_VALUES_SIZE; i++) {
    a[i] = i * i;
    b[i] = i * i;
  }

  for(i = 0; i < SIZE; i++) {
    vec_1[i] = a[i % 2];
    vec_2[i] = a[i % 2];
    vec_3[i] = 0;
  }

  start = clock();
  for(i = 0; i < SIZE; i++) {
    vec_3[i] = vec_1[i] + vec_2[i];
  }
  end = clock();

  cpu_time = ((double)(end - start)) / CLOCKS_PER_SEC;
  printf("Execution Time >> %0.3f seconds\n", cpu_time);

  return EXIT_SUCCESS;
}