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CF991C Candies "洛谷评测传送门" 题目描述 After passing a test, Vasya got himself a box of n n candies. He decided to eat an equal amount of candies each morning 阅读全文
posted @ 2019-10-28 18:26
Seaway-Fu
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CF1146D Frog Jumping "洛谷评测传送门" 题目描述 A frog is initially at position 00 on the number line. The frog has two positive integers a a and b b . From a pos 阅读全文
posted @ 2019-10-28 16:58
Seaway-Fu
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CF1225C p binary "洛谷评测传送门" 题目描述 Vasya will fancy any number as long as it is an integer power of two. Petya, on the other hand, is very conservative a 阅读全文
posted @ 2019-10-28 15:59
Seaway-Fu
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关于lowbit运算的相关知识 本篇随笔简单讲解一下计算机中位运算的一类重要运算方式——$lowbit$运算。 lowbit的概念 我们知道，任何一个正整数都可以被表示成一个二进制数。如： $$ (2)_{10}=(10)_2 $$ $$ (4)_{10}=(100)_2 $$ $$ \cdots 阅读全文
posted @ 2019-10-28 15:21
Seaway-Fu
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CF1225B2 TV Subscriptions (Hard Version) "洛谷评测传送门" 题目描述 The only difference between easy and hard versions is constraints. The BerTV channel every day 阅读全文
posted @ 2019-10-28 14:16
Seaway-Fu
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CF1225B1 TV Subscriptions (Easy Version) "洛谷评测传送门" 题目描述 The only difference between easy and hard versions is constraints. The BerTV channel every day 阅读全文
posted @ 2019-10-28 10:03
Seaway-Fu
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CF1225A Forgetting Things "洛谷评测传送门" 题目描述 Kolya is very absent minded. Today his math teacher asked him to solve a simple problem with the equation a + 阅读全文
posted @ 2019-10-28 07:30
Seaway-Fu
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