— C:
#include <stdio.h>
#include <time.h>
int num () {
return 4;
}
int main () {
int n = 1000000;
clock_t start = clock();
while(n > 0) {
num();
n--;
}
clock_t diff = clock() - start;
int ms = diff * 1000 / CLOCKS_PER_SEC;
printf("runtime: %dms", ms);
}
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