随笔分类 -  Atcoder/洛谷/namomo OJ

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すぬけ君の塗り絵 / Snuke's Coloring AtCoder - 2068 （思维，排序，贡献）
摘要：Problem Statement We have a grid with H rows and W columns. At first, all cells were painted white. Snuke painted N of these cells. The i-th ( 1≤i≤N ) 阅读全文
posted @ 2019-04-15 22:39 茄子Min 阅读(332) 评论(0) 推荐(0)
たくさんの数式 / Many Formulas AtCoder - 2067 （枚举二进制）
摘要：Problem Statement You are given a string S consisting of digits between 1 and 9, inclusive. You can insert the letter + into some of the positions (po 阅读全文
posted @ 2019-04-15 20:47 茄子Min 阅读(267) 评论(0) 推荐(0)
Static Sushi AtCoder - 4118 （技巧枚举）
摘要：Problem Statement "Teishi-zushi", a Japanese restaurant, is a plain restaurant with only one round counter. The outer circumference of the counter is  阅读全文
posted @ 2019-04-14 22:09 茄子Min 阅读(316) 评论(0) 推荐(0)
AtCoder Beginner Contest 124 D - Handstand（思维+前缀和）
摘要：D - Handstand Time Limit: 2 sec / Memory Limit: 1024 MB Score : 400400 points Problem Statement NN people are arranged in a row from left to right. Yo 阅读全文
posted @ 2019-04-14 13:23 茄子Min 阅读(490) 评论(0) 推荐(0)
AtCoder Beginner Contest 122 D - We Like AGC （DP）
摘要：D - We Like AGC Time Limit: 2 sec / Memory Limit: 1024 MB Score : 400400 points Problem Statement You are given an integer NN. Find the number of stri 阅读全文
posted @ 2019-04-11 21:07 茄子Min 阅读(381) 评论(0) 推荐(0)
ARC 066D Xor Sum AtCoder - 2272 （打表找规律）
摘要：Problem Statement You are given a positive integer N. Find the number of the pairs of integers u and v(0≦u,v≦N) such that there exist two non-negative 阅读全文
posted @ 2019-03-27 16:51 茄子Min 阅读(594) 评论(0) 推荐(0)
AtCoder Beginner Contest 049 & ARC065 連結 / Connectivity AtCoder - 2159 （并查集）
摘要：Problem Statement There are N cities. There are also K roads and L railways, extending between the cities. The i-th road bidirectionally connects the  阅读全文
posted @ 2019-03-26 20:30 茄子Min 阅读(341) 评论(0) 推荐(1)
Factors of Factorial AtCoder - 2286 （N的阶乘的因子个数）（数论）
摘要：Problem Statement You are given an integer N. Find the number of the positive divisors of N!, modulo 10^9+7. Constraints 1≤N≤10^3 Input The input is g 阅读全文
posted @ 2019-03-17 15:35 茄子Min 阅读(795) 评论(0) 推荐(0)
AtCoder Beginner Contest 116 D - Various Sushi （贪心+栈）
摘要：D - Various Sushi Time Limit: 2 sec / Memory Limit: 1024 MB Score : 400400 points Problem Statement There are NN pieces of sushi. Each piece has two p 阅读全文
posted @ 2019-01-30 15:39 茄子Min 阅读(458) 评论(0) 推荐(0)
atcoderI - Coins ( 概率DP)
摘要：I - Coins Time Limit: 2 sec / Memory Limit: 1024 MB Score : 100100 points Problem Statement Let NN be a positive odd number. There are NN coins, numbe 阅读全文
posted @ 2019-01-16 23:26 茄子Min 阅读(557) 评论(0) 推荐(0)
Atcoder F - LCS (DP-最长公共子序列，输出字符串)
摘要：F - LCS Time Limit: 2 sec / Memory Limit: 1024 MB Score : 100100 points Problem Statement You are given strings ss and tt. Find one longest string tha 阅读全文
posted @ 2019-01-16 12:56 茄子Min 阅读(799) 评论(0) 推荐(0)
Atcoder E - Knapsack 2 （01背包进阶版 ex ）
摘要：E - Knapsack 2 Time Limit: 2 sec / Memory Limit: 1024 MB Score : 100100 points Problem Statement There are NN items, numbered 1,2,…,N1,2,…,N. For each 阅读全文
posted @ 2019-01-15 23:26 茄子Min 阅读(1106) 评论(0) 推荐(1)
Atcoder D - Knapsack 1 （背包）
摘要：D - Knapsack 1 Time Limit: 2 sec / Memory Limit: 1024 MB Score : 100100 points Problem Statement There are NN items, numbered 1,2,…,N1,2,…,N. For each 阅读全文
posted @ 2019-01-10 20:10 茄子Min 阅读(566) 评论(0) 推荐(0)
Atcoder C - Vacation （ DP ）
摘要：C - Vacation Time Limit: 2 sec / Memory Limit: 1024 MB Score : 100100 points Problem Statement Taro's summer vacation starts tomorrow, and he has deci 阅读全文
posted @ 2019-01-10 19:40 茄子Min 阅读(741) 评论(0) 推荐(0)
atcoder B - Frog 2 （DP）
摘要：B - Frog 2 Time Limit: 2 sec / Memory Limit: 1024 MB Score : 100100 points Problem Statement There are NN stones, numbered 1,2,…,N1,2,…,N. For each ii 阅读全文
posted @ 2019-01-09 23:20 茄子Min 阅读(607) 评论(0) 推荐(0)
atcoder A - Frog 1（DP）
摘要：A - Frog 1 Time Limit: 2 sec / Memory Limit: 1024 MB Score : 100100 points Problem Statement There are NN stones, numbered 1,2,…,N1,2,…,N. For each ii 阅读全文
posted @ 2019-01-09 22:52 茄子Min 阅读(1078) 评论(0) 推荐(0)

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