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容斥原理: 传送门容斥原理 阅读全文
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Building designing Time limit: 3.000 seconds An architect wants to design a very high building. The building will consist of some floors, and each floor 阅读全文
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Hello World! Time limit: 1.000 seconds When you first made the computer to print the sentence “Hello World!”, you felt so happy, not knowing how comple 阅读全文
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Drainage Ditches Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22789 Accepted Submission(s): 10 阅读全文
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最短路 Time Limit: 3000/1000MS (Java/Others) Memory Limit: 65535/65535KB (Java/Others) 在每年的校赛里，所有进入决赛的同学都会获得一件很漂亮的T-shirt。但是每当我们的工作人员把上百件的衣服从商店运回到赛场的时候，却 阅读全文
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哈密顿绕行世界问题 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7419 Accepted Submission(s): 4403 Probl 阅读全文
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Guilty Prince Memory Limit: 32 MB Once there was a king named Akbar. He had a son named Shahjahan. For an unforgivable reason the king wanted him to l 阅读全文
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C. Socks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Socks time limit per test 2 阅读全文
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wtmsb Time Limit: 1000/100MS (Java/Others) Memory Limit: 131072/131072KB (Java/Others) 这天，AutSky_JadeKAutSky_JadeK 看到了n张图片,他忍不住说道：“我TM 社保！”。每张图片有一个社保值 阅读全文
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Sqrt Bo Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 2222 Accepted Submission(s): 883 Proble 阅读全文