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codeforces

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全部文章 / codeforces （共130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...

2020-09-15

0 464

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...

2020-09-15

0 685

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...

2020-09-15

0 505

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...

2020-09-15

0 406

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...

2020-09-15

0 671

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...

2020-09-15

0 514

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...

2020-09-15

0 457

B. Pasha and Tea

链接：https://codeforces.com/contest/557/problem/B Pasha decided to invite his friends to a tea party. For that occasion, he has a large teapot with the...

2020-09-15

0 501

C. Anu Has a Function

链接：https://codeforces.com/contest/1300/problem/C Anu has created her own function ff: f(x,y)=(x|y)−yf(x,y)=(x|y)−y where || denotes the bitwise OR op...

2020-09-15

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D. Aerodynamic

链接：https://codeforces.com/contest/1300/problem/D Guy-Manuel and Thomas are going to build a polygon spaceship. You're given a strictly convex (i. e....

2020-09-15

0 415