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全部文章（共20篇）

题解 | 遍历链表

#include<bits/stdc++.h> using namespace std; struct Listnode{ int val; Listnode* next; Listnode(int x) : val(x) ,next(nullptr){} }; ...

2026-03-02

0 11

题解 | 对称矩阵

#include<bits/stdc++.h> using namespace std; bool func(int n){ vector<vector<int>> arr(n, vector<int>(n)); int num; ...

2026-03-02

0 10

题解 | 打印日期

#include<bits/stdc++.h> using namespace std; int func(int m, int n){ int arr[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; if(...

2026-03-01

0 31

题解 | 二叉排序树

#include<bits/stdc++.h> using namespace std; struct Treenode{ int val; Treenode* left; Treenode* right; Treenode(int x) : val(x)...

2026-03-01

0 23

题解 | a+b

#include<bits/stdc++.h> using namespace std; int main(){ int a, b; while(cin >> a >> b){ cout << a + b <<...

2026-03-01

0 9

题解 | 最长&最短文本

#include <bits/stdc++.h> using namespace std; int main(){ vector<string> vec; string s; int minlen = 1001; int maxlen = 0;...

2026-03-01

0 14

题解 | N阶楼梯上楼问题

#include<bits/stdc++.h> using namespace std; int main(){ long long int dp[91]; dp[0] = 0; dp[1] = 1; dp[2] = 2; for(int i = ...

2026-02-28

0 13

题解 | 阶乘

#include<bits/stdc++.h> using namespace std; long long int func(int n){ long long int res = 1; for(int i = 1; i <= n; i++){ r...

2026-02-28

0 14

题解 | 八进制

#include<bits/stdc++.h> using namespace std; void func(int n){ string res; if(n == 0) cout << "0"; else{ whi...

2026-02-28

0 11

题解 | 农夫、羊、菜和狼的故事

#include<bits/stdc++.h> using namespace std; int main(){ cout << "sheep_go" << endl; cout << "nothing_c...

2026-02-28

0 20