摘要：
靠这把上了蓝 A. Palindromic Supersequence time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You 阅读全文
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这场比赛题目还行，但是被一道数学题卡了 A - Supermarket CodeForces - 919A We often go to supermarkets to buy some fruits or vegetables, and on the tag there prints the pr 阅读全文
摘要：
这场打了小号 A. Word Correction time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Victor tries to 阅读全文