Gnome Tetravex Time Limit: 10 Seconds Memory Limit: 32768 KB Hart is engaged in playing an interesting game, Gnome Tetravex, these days. In the game, at the beginning, the player is given n*n squares. Each square is divided into four triangles m…
Sum It Up Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 4 Accepted Submission(s) : 1 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Given a specified total t and…
题意 把一个数替换为这个数相邻数字差组成的数 知道这个数仅仅剩一位数 若最后的一位数是7 则称原来的数为 July Number 给你一个区间 求这个区间中July Number的个数 从7開始DFS 位数多的数总能由位数小的数推出 #include <bits/stdc++.h> using namespace std; const int N = 1e6; int july[N], n; set<int> ans; int pw[] = {1, 10, 100,…