HBC236738最短路,计算几何Colorful String题解

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The value of a string ss is equal to the number of different letters which appear in this string.Your task is to calculate the total value of all the palindrome substring.

The value of a string ss is equal to the number of different letters which appear in this string. Your task is to calculate the total value of all the palindrome substring.

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标签： HBC236738最短路 计算几何Colorful String题解