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ACM-数学、模拟等

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全部文章 / ACM-数学、模拟等（共5篇）

CodeForces - 955A Feed the cat

After waking up at hh:mm, Andrew realised that he had forgotten to feed his only cat for yet another time (guess why there's only one cat). The cat's ...

2018-04-05

0 470

POJ 2739—Sum of Consecutive Prime Numbers (素数)

Some positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representations does a given positive integ...

算法 poj

2017-11-01

0 450

CodeForces - 691B s-palindrome (字符串，模拟)

Let's call a string "s-palindrome" if it is symmetric about the middle of the string. For example, the string "oHo" is "s-pal...

算法 string codeforces

2017-08-12

0 504

ZOJ 3878 Convert QWERTY to Dvorak

Edward, a poor copy typist, is a user of the Dvorak Layout. But now he has only a QWERTY Keyboard with a broken <kbd style="border:1px...

2017-08-10

0 751

CF#420 Div.2 B. Okabe and Banana Trees（数学）

time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard...

数学

2017-08-10

0 566