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题解 | 与7无关的数（最短写法）

#include <bits/stdc++.h> using namespace std; signed main() { int n; while (cin >> n) { long long res = 0; for (...

2025-08-16

0 23

题解 | 有序序列判断（最短的写法）

#include <bits/stdc++.h> using namespace std; signed main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i...

2025-08-03

1 27

题解 | Sliding Window

#include <bits/stdc++.h> #define int long long using namespace std; signed main() { deque<int> dq; int n, k; cin >&...

2025-08-03

0 25

题解 | 单组_补充前导零

#include <bits/stdc++.h> using namespace std; signed main() { string n; cin >> n; cout << string(9 - n.size(), '0') &l...

2025-07-31

0 33