olegon

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

void mergesort(int *v, int n);
void sort(int *v, int *c, int i, int f);
void merge(int *v, int *c, int i, int m, int f);

int main (void) {
  int i;
  int v[8] = { -1, 7, -3, 11, 4, -2, 4, 8 };