1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #include <stdio.h> #include <time.h> #include <stdlib.h> int main(void) { int start = clock(); int i = 0; for (i = 0; i < 1000000; i++) { int b = rand() % 1000000; } int end = clock(); printf("%.3lf\n\r", (end - start)/(double)CLOCKS_PER_SEC); return 0; } | cs |
결과
[heedong ~]$ ./test
0.110
