[Solved] how to show time performance for merge sort? [closed]

Question

include <time.h> 
include <stdio.h>
int main(){
    clock_t start = clock(); // Execuatable code
    clock_t stop = clock();
    double elapsed = (double)(stop - start) * 1000.0 / CLOCKS_PER_SEC;
    printf("Time elapsed in ms: %f", elapsed);
}

Accepted Answer

include <time.h> 
include <stdio.h>
int main(){
    clock_t start = clock(); // Execuatable code
    clock_t stop = clock();
    double elapsed = (double)(stop - start) * 1000.0 / CLOCKS_PER_SEC;
    printf("Time elapsed in ms: %f", elapsed);
}