E. Editor The development of a text editor is a hard problem. You need to implement an extra module ...
A. Sweet Problem You have three piles of candies: red, green and blue candies: the first pile contains only red candies and there arer rrcandies in it, the second pile contains only green candies and ...
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E. Editor The development of a text editor is a hard problem. You need to implement an extra module ...
F. Economic Difficulties An electrical grid in Berland palaces consists of 2 grids: main and reserv ...
B. PIN Codes A PIN code is a string that consists of exactly 4 digits. Examples of possible PIN cod ...
C. Everyone is a Winner! On the well-known testing system MathForces, a draw of n rating units is a ...
D. Secret Passwords One unknown hacker wants to get the admin's password of AtForces testing system ...
Codeforces Round #739 (Div. 3) div3掉大分,不考算法考手速真来不及,还是得多练 目录: A. Dislike of Threes B. Who's Opposite? C. Infinity Table D. Make a Power of Two ...
A. ConneR and the A.R.C. Markland-N 题目链接:https://codeforces.com/contest/1293/problem/A 题意: 有一个长为 n 的楼层,其中有 k 个楼层没有餐厅 ,你现在在 s 层,问你最少走多少个楼层可以到达餐厅吃饭 ...
A. Collecting Coins 题目链接:https://codeforces.com/contest/1294/problem/A 题意: 你有三个姐妹她们分别有 a , b , c枚硬币,你有n枚,你可以把硬币随意分给她们(必须分完),使她们的硬币数A = B = C 分析 ...