头文件<time.h>
clock_t start,finish; double total_time; start = clock(); .... // 要计算的代码 finish = clock(); total_time = (double)(finish-start)/CLOCKS_PER_SEC;
头文件<time.h>
clock_t start,finish; double total_time; start = clock(); .... // 要计算的代码 finish = clock(); total_time = (double)(finish-start)/CLOCKS_PER_SEC;