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B. Dreamoon and WiFi 题目连接： http://www.codeforces.com/contest/476/problem/B Description Dreamoon is standing at the position 0 on a number line. Drazil 阅读全文
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A. Dreamoon and Stairs 题目连接： http://www.codeforces.com/contest/476/problem/A Description Dreamoon wants to climb up a stair of n steps. He can climb 1 阅读全文
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E. Garlands 题目连接： http://www.codeforces.com/contest/707/problem/E Description Like all children, Alesha loves New Year celebration. During the celebra 阅读全文
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D. Persistent Bookcase 题目连接： http://www.codeforces.com/contest/707/problem/D Description Recently in school Alina has learned what are the persistent 阅读全文
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C. Pythagorean Triples 题目连接： http://www.codeforces.com/contest/707/problem/C Description Katya studies in a fifth grade. Recently her class studied ri 阅读全文
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B. Bakery 题目连接： http://www.codeforces.com/contest/707/problem/B Description Masha wants to open her own bakery and bake muffins in one of the n cities 阅读全文
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A. Brain's Photos 题目连接： http://www.codeforces.com/contest/707/problem/A Description Small, but very brave, mouse Brain was not accepted to summer scho 阅读全文