编程学习网为您整理以下代码实例，主要实现：C语言库clock()函数，希望可以帮到各位朋友。
#include <time.h>
#include <stdio.h>
int main () {
clock_t start_t, end_t, total_t;
int i;
start_t = clock();
printf("Starting of the program, start_t = %ld\n", start_t);
printf("Going to scan a big loop, start_t = %ld\n", start_t);
for(i=0; i< 10000000; i++) {
}
end_t = clock();
printf("End of the big loop, end_t = %ld\n", end_t);
total_t = (double)(end_t - start_t) / CLOCKS_PER_SEC;
printf("Total time taken by cpu: %f\n", total_t );
printf("Exiting of the program...\n");
return(0);
}
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