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C. Zero One 题目连接： http://codeforces.com/contest/135/problem/C Description Little Petya very much likes playing with little Masha. Recently he has rece 阅读全文
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B. Rectangle and Square 题目连接： http://codeforces.com/contest/135/problem/B Description Little Petya very much likes rectangles and especially squares. 阅读全文
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A. Replacement 题目连接： http://codeforces.com/contest/135/problem/A Description Little Petya very much likes arrays consisting of n integers, where each 阅读全文
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D. DZY Loves Strings 题目连接： http://codeforces.com/contest/444/problem/D Description DZY loves strings, and he enjoys collecting them. In China, many pe 阅读全文
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C. DZY Loves Colors 题目连接： http://codeforces.com/contest/444/problem/C Description DZY loves colors, and he enjoys painting. On a colorful day, DZY get 阅读全文
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B. DZY Loves FFT 题目连接： http://codeforces.com/contest/444/problem/B Description DZY loves Fast Fourier Transformation, and he enjoys using it. Fast Fou 阅读全文
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A. DZY Loves Physics 题目连接： http://codeforces.com/contest/444/problem/A Description DZY loves Physics, and he enjoys calculating density. Almost everyt 阅读全文