2020年10月14日
Social distancing (distance)
摘要： Description A terrible new disease, COVID-19, has begun to spread all over the world. People try to take as many precautions as possible to protect th 阅读全文
posted @ 2020-10-14 01:16 Sample_Test 阅读(160) 评论(0) 推荐(0) 编辑
Yu Gong Yishan (peaks)
摘要： Description XX years ago, there was an old man named Yu Gong who was almost 90 years old. There is \(N\) li shan Road from his home to the city, which 阅读全文
posted @ 2020-10-14 01:09 Sample_Test 阅读(158) 评论(0) 推荐(0) 编辑
2020年10月13日
Distribution of inheritance (diff)
摘要： Description Jack and John inherited an inheritance, which includes \(n\) assets (including real estate, deposits, stocks, etc.), and the value of each 阅读全文
posted @ 2020-10-13 00:43 Sample_Test 阅读(103) 评论(0) 推荐(0) 编辑
Tree split (cut)
摘要： Description There is an unrooted tree with \(n\) nodes, each node is numbered $1 \sim n$. Now it is required to delete one of the nodes so that the nu 阅读全文
posted @ 2020-10-13 00:37 Sample_Test 阅读(143) 评论(0) 推荐(0) 编辑
Statistical problem (statistic)
摘要： Description Betty is working on a large-scale data statistics problem. She has obtained \(n\) positive integers \(a_i\). Now she wants to select \(n_1 阅读全文
posted @ 2020-10-13 00:30 Sample_Test 阅读(126) 评论(0) 推荐(0) 编辑
Quasi-binary number (qbin)
摘要： Description We call the number consisting of 0 and 1 in the decimal number "quasi-binary number", input a positive integer \(n\), and decompose it int 阅读全文
posted @ 2020-10-13 00:24 Sample_Test 阅读(110) 评论(0) 推荐(0) 编辑
Pair (pairs)
摘要： Description The children are playing a matching game. There are \(n\) boys and \(m\) girls, numbered $1 \sim n$ and $1 \sim m$ respectively. If the su 阅读全文
posted @ 2020-10-13 00:19 Sample_Test 阅读(129) 评论(0) 推荐(0) 编辑
Point on the plane (square)
摘要： Description Given a square and several points, find the number of points in the square (including points on the sides of the square). Here the four si 阅读全文
posted @ 2020-10-13 00:15 Sample_Test 阅读(111) 评论(0) 推荐(0) 编辑
2020年10月12日
String distance (zifu)
摘要： Description For two different strings, we have a set of operation methods to make them the same,the specific method is: Modify a character (such as re 阅读全文
posted @ 2020-10-12 23:58 Sample_Test 阅读(213) 评论(0) 推荐(0) 编辑
Largest submatrix (matrix)
摘要： Description The size of a known matrix is defined as the sum of all elements in the matrix. Given a matrix, your task is to find the largest Non-empty 阅读全文
posted @ 2020-10-12 23:09 Sample_Test 阅读(102) 评论(0) 推荐(0) 编辑