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全部文章（共27篇）

题解 | 牛牛逆序输出

#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; int n = s.size(); for(int i = n - 1; i >...

2026-02-27

0 30

题解 | 竞选社长

#include <bits/stdc++.h> using namespace std; int main() { int a = 0, b = 0; string s; getline(cin,s); int n = s.size(); for...

2026-02-27

0 22

题解 | 清楚姐姐的糖葫芦

#include<bits/stdc++.h> using namespace std; int main() { string s; int cnt = 0; getline(cin,s); for (int i = 0; i < s.size()...

2026-02-27

0 23

题解 | 矩阵计算

#include <bits/stdc++.h> using namespace std; int main() { int n, m, sum = 0; cin >> n >> m; int a[n][m]; for(int i ...

2026-02-25

0 28

题解 | 【模板】牛牛学加法

#include <iostream> using namespace std; int main() { int a, b, sum = 0; cin >> a >> b; for(int i = 1; i <= a; i ++)...

2026-02-24

0 22

题解 | 有序序列判断

#include <iostream> using namespace std; int main() { int n; cin >> n; int a[n]; int sum1 = 0, sum2 = 0; for(int i = 0; i ...

2026-02-24

0 25

题解 | 小乐乐查找数字

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

2026-02-22

0 20

题解 | 计算商品打折结算金额

#include <iostream> using namespace std; int main() { int a; cin >> a; if(a >= 100 and a < 500){ printf("%....

2026-02-21

0 18

题解 | 卡拉兹函数

#include <iostream> using namespace std; int main() { int n; cin >> n; if(n % 2 == 0) cout << n / 2; else cout <...

2026-02-21

0 23

题解 | 牛牛学说话之-字符串

#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; cout << s; return 0; }

2026-02-21

0 19