随笔分类 - online judge Codeforces
摘要：C. Dasha and Password 题目连接： http://codeforces.com/contest/761/problem/C Description After overcoming the stairs Dasha came to classes. She needed to w
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摘要：B. Dasha and friends 题目连接： http://codeforces.com/contest/761/problem/B Description Running with barriers on the circle track is very popular in the co
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摘要：A. Dasha and Stairs 题目连接： http://codeforces.com/contest/761/problem/A Description On her way to programming school tiger Dasha faced her first test —
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摘要：B Hongcow Solves A Puzzle 题目连接： http://codeforces.com/contest/745/problem/B Description Hongcow likes solving puzzles. One day, Hongcow finds two iden
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摘要：A. Hongcow Learns the Cyclic Shift 题目连接： http://codeforces.com/contest/745/problem/A Description Hongcow is learning to spell! One day, his teacher gi
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摘要：E. Vladik and cards 题目链接 http://codeforces.com/contest/743/problem/E 题面 Vladik was bored on his way home and decided to play the following game. He to
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摘要：D Chloe and pleasant prizes 链接 http://codeforces.com/contest/743/problem/D 题面 Generous sponsors of the olympiad in which Chloe and Vladik took part al
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摘要：C. Vladik and fractions 题目链接 http://codeforces.com/contest/743/problem/C 题面 Vladik and Chloe decided to determine who of them is better at math. Vladi
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摘要：B. Chloe and the sequence 题目链接 http://codeforces.com/contest/743/problem/B 题面 Chloe, the same as Vladik, is a competitive programmer. She didn't have
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摘要：A. Vladik and flights 题目链接 http://codeforces.com/contest/743/problem/A 题面 Vladik is a competitive programmer. This year he is going to win the Interna
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摘要：C. Balance 题目链接 http://codeforces.com/contest/17/problem/C 题面 Nick likes strings very much, he likes to rotate them, sort them, rearrange characters w
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摘要：A Noldbach problem 题面链接 http://codeforces.com/contest/17/problem/A 题面 Nick is interested in prime numbers. Once he read about Goldbach problem. It sta
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摘要：D. Taxes 题目链接 http://codeforces.com/contest/735/problem/D 题面 Mr. Funt now lives in a country with a very specific tax laws. The total income of mr. Fu
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摘要：C. Tennis Championship 题目链接 http://codeforces.com/contest/735/problem/C 题面 Famous Brazil city Rio de Janeiro holds a tennis tournament and Ostap Bende
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摘要：B. Urbanization 题目链接 http://codeforces.com/contest/735/problem/B 题面 Local authorities have heard a lot about combinatorial abilities of Ostap Bender s
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摘要：A. Ostap and Grasshopper 题面 On the way to Rio de Janeiro Ostap kills time playing with a grasshopper he took with him in a special box. Ostap builds a
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摘要：Codeforces Beta Round 80 (Div. 2 Only) A Blackjack1 题意 一共52张扑克，A代表1或者11,2 10表示自己的数字，其他都表示10 现在你已经有一个queen了，问你有多少种方案，能够得到n点 题解 其实只用考虑三种情况，都考虑一下就好了，实在不行
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摘要：Codeforces Beta Round 62 A Irrational problem 题意 f(x) = x mod p1 mod p2 mod p3 mod p4 问你[a,b]中有多少个数满足f(x)=x 题解 显然直接带进去就好了…… 代码 include using namespace
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摘要：Codeforces Round 160 (Div. 1) A Maxim and Discounts 题意 给你n个折扣，m个物品，每个折扣都可以使用无限次，每次你使用第i个折扣的时候，你必须买q[i]个东西，然后他会送你{0,1,2}个物品，但是送的物品必须比你买的最便宜的物品还便宜，问你最少花
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摘要：Codeforces Round 383 (Div. 2) A. Arpa’s hard exam and Mehrdad’s naive cheat 题意 求1378^n mod 10 题解 直接快速幂 代码 include using namespace std; long long quick
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