难度预测 check-in: A J B easy: N C medium-easy: H I medium: D E medium-hard: F hard: G K very-hard: L M Problem A 地层 签到题 按照题面输出即可,注意double型数据和int型数据的比较以及换行字符。 #include<bits/stdc++.h> using namespace std; typedef long long ll; #define imax 0x3f3f3f3f #define lmax 0x3f3f3f3f3f3f3f3f int main() { ...