我今天看到了一道题:https://vjudge.csgrandeur.cn/problem/HDU-1754 然后我再在LG上找到了同样一个题 https://www.luogu.com.cn/problem/P1531 然后我提交了同一份代码: https://www.luogu.com.cn/paste/22u7r58c 然后: https://www.luogu.com.cn/record/99130967 https://vjudge.csgrandeur.cn/solution/40466092 怎么回事???