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全部文章（共613篇）

B. Kefa and Company

链接：https://codeforces.com/problemset/problem/580/B Kefa wants to celebrate his first big salary by going to restaurant. However, he needs company. K...

2020-09-15

0 678

A. Vasya and Petya's Game

链接：https://codeforces.com/problemset/problem/576/A Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tr...

2020-09-15

0 440

A. Alice and Bob

链接：https://codeforces.com/contest/346/problem/A It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. T...

2020-09-15

0 485

D. 1-2-K Game

链接：https://codeforces.com/contest/1194/problem/D Alice and Bob play a game. There is a paper strip which is divided into n + 1 cells numbered from le...

2020-09-15

0 460

A. Gerald's Hexagon

链接：https://codeforces.com/problemset/problem/559/A Gerald got a very curious hexagon for his birthday. The boy found out that all the angles of the h...

2020-09-15

0 438

A. 24 Game

链接：https://codeforces.com/problemset/problem/468/A Little X used to play a card game called "24 Game", but recently he has found it too eas...

2020-09-15

0 477

A. The Meaningless Game

链接：https://codeforces.com/contest/833/problem/A?csrf_token=862e52f95602b95868e7c73a958718d7 Slastyona and her loyal dog Pushok are playing a meaningl...

2020-09-15

0 445

C. Tic-tac-toe

链接：https://codeforces.com/problemset/problem/3/C Certainly, everyone is familiar with tic-tac-toe game. The rules are very simple indeed. Two players...

2020-09-15

0 749

A. Plate Game

链接：https://codeforces.com/problemset/problem/197/A You've got a rectangular table with length a and width b and the infinite number of plates of radi...

2020-09-15

0 445

C. Table Decorations

链接：https://codeforces.com/problemset/problem/478/C You have r red, g green and b blue balloons. To decorate a single table for the banquet you need e...

2020-09-15

0 443