rt，在某些情况下 PyPy, Python 的运行速度几乎完全不一样 https://codeforces.com/contest/1763/submission/206183584 https://codeforces.com/contest/1763/submission/206173641 https://codeforces.com/contest/1763/submission/206190430 https://codeforces.com/contest/1763/submission/206190384

感觉两道题代码的差不太多啊，为什么在Python, PyPy下效率差这么多吗（

或者怎样分辨代码该用Python或PyPy

先拜谢各位佬（