原文:CF1181B

題面 主要思想 很明顯,題面就是讓你將一串數割開,使得隔開后的兩數總和最小。 稍微分析一下后我們會想到:對於這里隔開后的兩個數,他們的總位數一定,顯然他們的位數越相近,總和就有機會越小。所以我們嘗試從這串數的正中央着手割開,使用高精度進行操作。 我們從這串數的最中央開始分割,先嘗試向左移動,找到該過程中第一個符合題意要求的方案,記錄結果。然后再嘗試向右移動,再找到該過程中第一個符合題意要求的方案, ...

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