随笔分类 - online judge Codeforces
摘要：A. Little Artem and Presents 题目连接： http://www.codeforces.com/contest/669/problem/A Description Little Artem got n stones on his birthday and now wants
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摘要：F. Four Divisors 题目连接： http://www.codeforces.com/contest/665/problem/F Description If an integer a is divisible by another integer b, then b is called
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摘要：E. Beautiful Subarrays 题目连接： http://www.codeforces.com/contest/665/problem/E Description One day, ZS the Coder wrote down an array of integers a with
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摘要：D. Simple Subset 题目连接： http://www.codeforces.com/contest/665/problem/D Description A tuple of positive integers {x1, x2, ..., xk} is called simple if
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摘要：C. Simple Strings 题目连接： http://www.codeforces.com/contest/665/problem/C Description zscoder loves simple strings! A string t is called simple if every
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摘要：B. Shopping 题目连接： http://www.codeforces.com/contest/665/problem/B Description Ayush is a cashier at the shopping center. Recently his department has s
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摘要：A. Buses Between Cities 题目连接： http://www.codeforces.com/contest/665/problem/A Description Buses run between the cities A and B, the first one is at 05
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摘要：E. Interesting Graph and Apples 题目连接： http://www.codeforces.com/contest/9/problem/E Description Hexadecimal likes drawing. She has drawn many graphs a
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摘要：D. How many trees? 题目连接： http://www.codeforces.com/contest/9/problem/D Description In one very old text file there was written Great Wisdom. This Wisd
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摘要：C. Hexadecimal's Numbers 题目连接： http://www.codeforces.com/contest/9/problem/C Description One beautiful July morning a terrible thing happened in Mainf
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摘要：B. Running Student 题目连接： http://www.codeforces.com/contest/9/problem/B Description And again a misfortune fell on Poor Student. He is being late for a
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摘要：A. Die Roll 题目连接： http://www.codeforces.com/contest/9/problem/A Description Yakko, Wakko and Dot, world famous animaniacs, decided to rest from acting
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摘要：C. Looking for Order 题目连接： http://www.codeforces.com/contest/8/problem/C Description Girl Lena likes it when everything is in order, and looks for ord
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摘要：B. Obsession with Robots 题目连接： http://www.codeforces.com/contest/8/problem/B Description The whole world got obsessed with robots,and to keep pace wit
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摘要：A. Train and Peter 题目连接： http://www.codeforces.com/contest/8/problem/A Description Peter likes to travel by train. He likes it so much that on the tra
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摘要：E. Different Subsets For All Tuples 题目连接： http://www.codeforces.com/contest/660/problem/E Description For a sequence a of n integers between 1 and m,
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摘要：D. Number of Parallelograms 题目连接： http://www.codeforces.com/contest/660/problem/D Description You are given n points on a plane. All the points are di
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摘要：C. Hard Process 题目连接： http://www.codeforces.com/contest/660/problem/C Description You are given an array a with n elements. Each element of a is eithe
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摘要：B. Seating On Bus 题目连接： http://www.codeforces.com/contest/660/problem/B Description Consider 2n rows of the seats in a bus. n rows of the seats on the
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摘要：A. Co prime Array 题目连接： http://www.codeforces.com/contest/660/problem/A Description You are given an array of n elements, you must make it a co prime
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