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How to measure execution time in C

1 Answer

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

int main() 
{ 
    clock_t start = clock();

    int i = 0;
    while(i < 100000) { 
        i++;
    } 

    clock_t end = clock();
    double total_time = (double)(end - start) / CLOCKS_PER_SEC;
    printf("%f seconds", total_time);
        
    return 0; 
} 



/*
run:

0.000238 seconds

*/

 




answered Apr 5 by avibootz
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