第一题:判断用特定键盘打字需要多久 #include <bits/stdc++.h> using namespace std; int main() { int n, m, x, y, z; cin >> n >> m >> x >> y >> z; unordered_map<char, pair<int, int>> pos; for (int i = 0; i < n; i++) { for (int j = 0; j < m; ...