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Students who participate in the blue bridge cup can pay attention to the blogger. The blogger is also preparing the Blue Bridge Cup and can brush questions with the blogger's blog. Blue Bridge Cup My AcWing The title and pictures are from the counseling class of group ab of Blue Bridge Cup C + + simulation According to the operation g ...

After working all night, it's too unfriendly for me as a novice. I'm going to cry. I finally succeeded. Come on, come on, rush, release it and leave a souvenir for myself Let's talk about the idea first. When we use selenium automation, it's not very different from when you open the website. So why can you log in when you open the website? Bec ...

Input format Output format Meaning translation Initially, there are from left to right n n n wooden blocks numbered 0 ... n − 1 ...

Summary of leetcode's simulated problem brushing 2 1-remodeling matrix Title Link: Title Link stamp here!!! Idea: simulate the matrix remodeling process. If the number of elements of the original matrix and the remodeling matrix is different, the remodeling cannot be completed. On the contrary, the remodeling can be completed. First convert t ...

1.memcpy() 1.1 INTRODUCTION Header file: #include < string h> memcpy() is used to copy memory data. Its prototype is:     void * memcpy ( void * dest, const void * src, size_t num ); memcpy() will copy the first num bytes of the memory content indicated by src to the memory address indicated by dest. Because the passed parameters are re ...

As we all know, when we play games or watch the Spring Festival Gala all night, if your friends and relatives send you Spring Festival greetings at this time, and you happen to be in the group war or see the wonderful part, we can't take the time to reply to them. In case they call directly and interrupt our good time, it's easy to make us happ ...

That's clever~ Title Link: https://www.luogu.com.cn/problem/P1518 It's difficult to make a turn, and I don't know how to judge when the cycle ends. It's too konjac; analysis: 1. Since neither cattle nor people can go out of the circle, it is easy to think of adding a circle of obstacles to the outer circle of the whole map, so there is no need ...

1, Title Requirements Give you a matrix with m rows and n columns. Please return all the elements in the matrix in a clockwise spiral order.Example 1: Input: matrix = [[1,2,3],[4,5,6],[7,8,9]] Output:[1,2,3,6,9,8,7,4,5] Example 2: Input: matrix = [[1,2,3,4],[5,6,7,8],[9,10,11,12]] Output:[1,2,3,4,8,12,11,10,9,5,6,7] Tips: m == mat ...

1. Title Given a matrix with M x N elements (M rows, N columns), return all the elements in the matrix in the order of diagonal traversal, as shown in the following figure. Example: input: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] output: [1,2,4,7,5,3,6,8,9] Explain: The total number of elements in a given matrix does not exce ...

Positive solution #include<bits/stdc++.h> #define ll long long #define pii pair<ll,ll> using namespace std; const ll N=1e6+10; ll n; char arr[N]; void solve() { scanf("%lld",&n); scanf("%s",arr+1); ll cont=min(n,7LL); for(ll i=2; i<=cont; i++) { for(ll j=i; j<=n; j++) { ...