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题解 | 跳台阶

#include <iostream> using namespace std; const int mod = 998244353; int main() { int n; cin>>n; int dp[n]; dp[2] = 1 , dp[...

2026-01-16

0 16

题解 | 小红走矩阵

#include <iostream> using namespace std; const int mod = 998244353;; int main(){ int n,m; cin>>n>>m; int dp[n][m]; f...

2026-01-16

0 13

题解 | A×A=B

#include<bits/stdc++.h> using namespace std; #define int long long #define endl '\n' const int N = 2e5 + 9; void solve(){ int a; cin>...

2026-01-15

0 11

题解 | B=A×A

#include<bits/stdc++.h> using namespace std; #define int long long #define endl '\n' const int N = 2e5 + 9; void solve(){ int a; cin>...

2026-01-15

0 10

题解 | A-B≠C

#include <iostream> using namespace std; const double EPS = 1e-9; //小数点位数太多，直接进行判断会死 int main() { double a,b,c; cin>>a>>b>...

2026-01-15

0 14

题解 | 学生基本信息输入输出

#include <bits/stdc++.h> using namespace std; int main() { int n; double a, b, c; scanf("%d;%lf,%lf,%lf", &n, &a, ...

2026-01-15

0 15

题解 | 小红的三带一

#include<bits/stdc++.h> using namespace std; const int N = 2e5 + 9; int n,a[N],ans,t; bool ok(int i){ vector<int>v{a[i], a[i+1], a[i+2...

2026-01-14

0 11

无需多言

A #include<bits/stdc++.h> using namespace std; int main(){ ios::sync_with_stdio(false); cin.tie(0); int n,m; cin>>n>>...

C++ 数学数组前缀和模拟博弈递归

2025-10-05

0 38