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满分提交

ID题目提交者结果用时内存语言文件大小提交时间

得分分布

Created with Raphaël 2.1.200.250.50.7512970
score: 29

前缀和

Created with Raphaël 2.1.200.250.50.7510
score: ≤29

后缀和

Created with Raphaël 2.1.200.250.50.7510
score: ≥29