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题解 | 上三角矩阵判定

#include <iostream> using namespace std; int main() { int n; cin >> n; int temp; for(int i = 0;i<n;i++){ for(int j = 0;j...

2026-01-21

0 13

题解 | 上三角矩阵判定

#include <iostream> using namespace std; #include<vector> int main() { int n; cin >> n; vector<vector<int>> mat...

2026-01-21

0 14

题解 | 单组_二维数组

#include <iostream> using namespace std; #include<vector> int main() { int n,m,i,j,temp; long long count = 0; cin >> n >...

2026-01-21

0 8

题解 | 单组_二维数组

#include <iostream> using namespace std; #include<vector> int main() { int n,m,i,j; long long count = 0; cin >> n >> ...

2026-01-21

0 12

题解 | 校门外的树

#include <iostream> #include<vector> using namespace std; int main() { int L,M; cin >> L >> M; int count = 0; vec...

2026-01-21

0 13

题解 | 约瑟夫环

#include <iostream> #include <vector> using namespace std; int main() { int n,k,m; cin >> n >> k >> m; vector&...

2026-01-21

0 10

题解 | 约瑟夫环

#include <iostream> #include <vector> using namespace std; int main() { int n,k,m; cin >> n >> k >> m; vector&...

2026-01-21

0 10

题解 | 记数问题

#include <iostream> using namespace std; int count(int n,int x){ int sum2 = 0; while(n>0){ if(n%10==x){ sum2++; ...

2026-01-21

0 10

题解 | 数组计数维护

#include<vector> #include <iostream> using namespace std; int main() { int T; cin >> T; while(T--){ int n,k; cin &...

2026-01-21

0 9

题解 | 牛牛的数学作业

#include <iostream> #include<algorithm> #include<cstdio> using namespace std; int main() { int T; int n; cin >> T; ...

2026-01-21

0 20