int main()
{
clock_t startTime = 0, endTime = 0;
startTime = clock();
//要执行的函数
endTime = clock();
int lastTime = endTime - startTime;
}
int main()
{
clock_t startTime = 0, endTime = 0;
startTime = clock();
//要执行的函数
endTime = clock();
int lastTime = endTime - startTime;
}