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全部文章（共613篇）

C. New Year Ratings Change

链接：https://codeforces.com/contest/379/problem/C One very well-known internet resource site (let's call it X) has come up with a New Year adventure. S...

2020-09-15

0 420

B. Camp Schedule

链接：https://codeforces.com/contest/1137/problem/B The new camp by widely-known over the country Spring Programming Camp is going to start soon. Hence,...

2020-09-15

0 471

C. Pythagorean Triples

链接：https://codeforces.com/problemset/problem/707/C Katya studies in a fifth grade. Recently her class studied right triangles and the Pythagorean the...

2020-09-15

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E. Tetrahedron

链接：https://codeforces.com/problemset/problem/166/E You are given a tetrahedron. Let's mark its vertices with letters A, B, C and D correspondingly. ...

2020-09-15

0 490

C. Fadi and LCM

链接：https://codeforces.com/contest/1285/problem/C Today, Osama gave Fadi an integer XX, and Fadi was wondering about the minimum possible value of max...

2020-09-15

0 502

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

0 462

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

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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

0 503

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 0

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