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【集训队作业2018】串串划分 统计

满分提交

得分分布

Created with Raphaël 2.1.205010015020010097605542353230251770
score: 100

前缀和

Created with Raphaël 2.1.201503004506001009080706050403020100
score: ≤100

后缀和

Created with Raphaël 2.1.201503004506001009080706050403020100
score: ≥100