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(共137篇)
codefoces-B. Plus from Picture
题目链接 You have a given picture with size w×h. Determine if the given picture has a single “+” shape or not. A “+” shape is described below: A “+” shap...
2019-06-12
0
506
dfs-最大黑区域
题目链接 最大黑区域 二值图像是由黑白两种像素组成的矩形点阵,图像识别的一个操作是求出图像中最大黑区域的面积。请设计一个程序完成二值图像的这个操作。黑区域由黑像素组成,一个黑区域中的每个像素至少与该区域中的另一个像素相邻,规定一个像素仅与其上、下、左、右的像素相邻。两个不同的黑区域没有相邻的像素。一...
2019-06-10
0
1386
H题 Simple Triangle
H题; In this problem you need to make a triangle ,just like the sample out. The element in the ith row and jth column should be the product(乘积) of i a...
2019-06-10
0
327
树状数组-Matrix
题目链接 Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j] = 0 ...
2019-06-10
0
429
codefoces- Nauuo and Chess
题目链接 Nauuo is a girl who loves playing chess. One day she invented a game by herself which needs n chess pieces to play on a m×m chessboard. The rows...
2019-06-08
0
377
codefoces-Nauuo and Votes
A. Nauuo and Votes 题目链接 Nauuo is a girl who loves writing comments. One day, she posted a comment on Codeforces, wondering whether she would get upv...
2019-06-08
0
428
codefoces-Far Relative’s Problem
题目 B. Far Relative’s Problem Famil Door wants to celebrate his birthday with his friends from Far Far Away. He has n friends and each of them can come...
2019-06-07
0
458
树状数组-DFS序-Apple Tree
题目链接 https://www.cnblogs.com/gj-Acit/p/3236843.html There is an apple tree outside of kaka’s house. Every autumn, a lot of apples will grow in the tre...
2019-06-04
0
414
QQ登录界面
package guoyu; import javax.swing.*; import java.awt.*; import java.util.*; import java.awt.event.*; import java.io.BufferedReader; import java.io.Fil...
2019-06-03
0
353
树状数组小结-二维
树状数组: 模板: 取数组下标二进制非0最低位所表示的值; 区间查询。 单点更新: 同一维树状数组比较,这样比较好理解; 如果一维不会可以看看我的一维树状数组博客 1.一维二维都是:取数组下标二进制非0最低位所表示的值; int lowbit(int x) { return x&...
2019-05-29
0
381
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