选择题有点难。。。算法100 100希望能过这个笔试吧1.直接栈模拟 #include <bits/stdc++.h> using namespace std; typedef pair<int, int> pii; typedef long long ll; #define rep(i, start, end) for (int i = start; i <= end; i++) #define lop(i, start, end) for (int i = start; i >= end; i--) int main() { int T; cin >...