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题解 | 宝石手串

#include<bits/stdc++.h> using namespace std; #define inf 0x3f3f3f3f void solve() { string s; int n; cin >> n >> s; vector<in...

2025-04-07

0 17

题解 | 查找输入整数二进制中1的个数

#include<bits/stdc++.h> using namespace std; int lowbit(int x) { return x & -x; } int main() { int n, m; cin >> n >> m; i...

2025-04-07

0 19

题解 | 连续子数组最大和

#include<bits/stdc++.h> using namespace std; int main() { int n, sum = 0, ans = -0x3f3f3f3f; cin >> n; for (int i = 1, x; i <= n; i...

2025-04-04

0 24

题解 | 最小循环节

#include<bits/stdc++.h> using namespace std; int main() { set<char> s; char ch; while(cin >> ch) s.insert(ch); cout << s....

2025-04-04

0 18

题解 | 查找组成一个偶数最接近的两个素数

#include<bits/stdc++.h> using namespace std; bool isprime(int x) { if (x == 1) return false; for (int i = 2; i <= x / i; i++) if (x % i ==...

2025-04-04

0 23

题解 | 相差不超过k的最多数

#include<bits/stdc++.h> using namespace std; int main() { int n, k; cin >> n >> k; vector<int> a; for (int i = 1, x; i &l...

2025-04-03

0 15

题解 | 字符统计

#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; map<char, int> ma; vector<pair<...

2025-04-03

0 20

题解 | 找出字符串中第一个只出现一次的字符

#include<bits/stdc++.h> using namespace std; int main() { string s; cin >> s; map<char, int> ma; for (auto x: s) ma...

2025-04-03

0 19

题解 | 活动安排

#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<pair<int, int>> v(n + 1); ...

2025-04-01

0 15

题解 | 1or0

n = int(input()) S = input().strip() v = [0] * (n + 2) # 1-based索引 for i in range(1, n + 1): v[i] = int(S[i - 1]) h = [0] * (n + 2) s = [0] * (...

2025-03-31

0 25