cout << "Enter the delay time , in seconds:"; float secs; cin >> secs;//输入需要记时的秒数 clock_t delay = secs * CLOCKS_PER_SEC; cout << "strarting an"; clock_t start = clock(); cout << start << endl; while (clock() - start < delay) { }; cout << "donean";
记得加上头文件
#include
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