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vjudge_XJ_Contest0 A.Spheres "CodeChef KSPHERES" "Chinese" Eugene has a sequence of upper hemispheres and another of lower hemispheres. The first set 阅读全文
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E. Anton and Tree time limit per test 3 seconds memory limit per test 256 megabytes Anton is growing a tree in his garden. In case you forgot, the tre 阅读全文
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A Wedding Party We all know that we have a big and exciting wedding party ahead. So we made a plan to go to buy a gift for the wedding party. We all g 阅读全文