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The UNAL programming coaches have lost a bet, they bet the 6 UNAL teams would occupy the first six positions in the regional finals. Now, they have to 阅读全文
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The UN finals are here!, the coaches/ex-coaches team is creating a new exciting contest to select which teams will compete in the Colombian finals. Iv 阅读全文
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Ignacio is a famous mathematician, some time ago he was married with Dolly, a famous scientific, at that time they bought a huge piece of land that th 阅读全文
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A. Salem and Sticks 题目描述 Salem gave you n n n sticks with integer positive lengths a1,a2,…,an a_1, a_2, \ldots, a_n a1,a2,…,an . For every stick, y 阅读全文
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Three companies decided to order a billboard with pictures of their logos. A billboard is a big square board. A logo of each company is a rectangle of 阅读全文
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Petya loves computer games. Finally a game that he's been waiting for so long came out! The main character of this game has n different skills, each o 阅读全文