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蓝桥杯17届B组c++

A https://www.luogu.com.cn/problem/P16232 思路:找规律 (n+1)/2 B 思路:打表,找规律,bfs,阶乘逆元来自B站up yeVegetable https://www.bilibili.com/video/BV1PzDkBsEzU/?spm_id_...

C++

2026-04-14

0 30

题解 | #任务#

#include<bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; #define endl '\n' struct node{ int x,y;/...

2026-03-15

2 36

题解 | #表达式计算4#

#include<bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; #define endl '\n' ll fastpow(ll a,ll b){//快速...

2026-03-11

2 39

题解 | #孙悟空救师傅#

代码 #include<bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; #define endl '\n' void init() { } i...

C++ 广度优先搜索

2026-03-06

1 41