Codeforces 895B. XK Segments
摘要:While Vasya finished eating his piece of pizza, the lesson has already started. For being late for the lesson, the teacher suggested Vasya to solve on
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2017-11-27 20:08
Crutain
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Codeforces 282C. XOR and OR
摘要:The Bitlandians are quite weird people. They do everything differently. They have a different alphabet so they have a different definition for a strin
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2017-11-27 19:33
Crutain
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Codeforces 448D. Multiplication Table
摘要:Bizon the Champion isn't just charming, he also is very smart. While some of us were learning the multiplication table, Bizon the Champion had fun in
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2017-11-17 20:32
Crutain
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Codeforces 476C. Dreamoon and Sums
摘要:Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice int
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2017-11-17 19:52
Crutain
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