linux下C语言的正常运行时间

Linux下C语言的正常运行时间

c
#include 
#include 
int main() {
    clock_t start, end;
    double cpu_time_used;
    start = clock();
    // 这里写下你的C语言代码
    end = clock();
    cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC;
    printf("程序执行时间：%f 秒\n", cpu_time_used);
    return 0;
}

c
#include 
#include 
int main() {
    clock_t start, end;
    double cpu_time_used;
    int a = 5;
    int b = 10;
    int sum = 0;
    start = clock();
    sum = a + b;
    end = clock();
    cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC;
    printf("程序执行时间：%f 秒\n", cpu_time_used);
    printf("两个数的和是：%d\n", sum);
    return 0;
}