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全部文章（共613篇）

B. Just Eat It!

链接：https://codeforces.com/contest/1285/problem/B Today, Yasser and Adel are at the shop buying cupcakes. There are nn cupcake types, arranged from 11...

2020-05-28

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D. Dr. Evil Underscores

链接：https://codeforces.com/contest/1285/problem/D Today, as a friendship gift, Bakry gave Badawy nn integers a1,a2,…,ana1,a2,…,an and challenged him t...

2020-05-28

0 975

A. Duff and Weight Lifting

链接：https://codeforces.com/problemset/problem/587/A Recently, Duff has been practicing weight lifting. As a hard practice, Malek gave her a task. He g...

2020-05-28

0 844

C. Mind Control

链接：https://codeforces.com/contest/1291/problem/C You and your n−1n−1 friends have found an array of integers a1,a2,…,ana1,a2,…,an. You have decided t...

2020-05-28

0 471

C. Yet Another Walking Robot

链接：https://codeforces.com/contest/1296/problem/C There is a robot on a coordinate plane. Initially, the robot is located at the point (0,0)(0,0). Its...

2020-05-28

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D. Fight with Monsters

链接：https://codeforces.com/contest/1296/problem/D There are nn monsters standing in a row numbered from 11 to nn. The ii-th monster has hihi health po...

2020-05-28

0 397

J u's的影响力

链接https://ac.nowcoder.com/acm/contest/3002/J μ's在九人齐心协力下，影响力越来越大了！已知第一天影响力为，第二天影响力为，从第三天开始，每一天的影响力为前两天影响力的乘积再乘以的次方。用数学语言描述是：设第天的影响力为，...

2020-05-28

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D. Taxes

链接：https://codeforces.com/problemset/problem/735/D Mr. Funt now lives in a country with a very specific tax laws. The total income of mr. Funt during...

2020-05-28

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E 做计数

链接：https://ac.nowcoder.com/acm/contest/3003/E 题目描述这一天，牛牛与牛魔王相遇了――然而这并不在牛牛期望之中。牛魔王不出意料又给牛牛一道看似很难的题目：求有多少个不同的正整数三元组 \text{}(i,j,k)(i,j,k) 满足 \s...

2020-05-28

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F 拿物品

链接https://ac.nowcoder.com/acm/contest/3003/F 牛牛和牛可乐面前有 n 个物品，这些物品编号为 1,2,\dots,n1,2,…,n ，每个物品有两个属性 a_i, b_iai,bi 。牛牛与牛可乐会轮流从剩下物品中任意拿走一个，牛牛...

2020-05-28

0 420