double get_time(){ struct timeval t; gettimeofday(&t, NULL); double d = t.tv_sec + (double) t.tv_usec/1000000; return d; } ... double time_start = get_time(); ... double time_end = get_time(); printf("This program has run for: %f seconds.\n", time_end - time_start);
#include<stdio.h> #include<time.h> void do_something() { for(int i=0;i<100000;i++) for(int j=0;j<10000;j++) ; } int main(int arg,char ** argv) { clock_t start=clock(); do_something(); clock_t end=clock(); float time=(float)(end-start)/CLOCKS_PER_SEC; printf("%f\n",time); return 0; }
calc code execeute time on c++
最新推荐文章于 2024-03-14 14:18:54 发布