gistfile1.txt

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

int main(int argc, char **argv) {
    clock_t start = clock(), diff;

    for (int i=100000000; i>0; i--) {
    }

    diff = clock() - start;

    int msec = diff * 1000 / CLOCKS_PER_SEC;
    printf("Time taken %d seconds %d milliseconds", msec/1000, msec%1000);

    return 0;
}