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Zhou Wenzong
wenzong
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Shanghai, China
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wenzong
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SRM592_div2_3.md
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January 2, 2016 13:39
擦除数字
题目:
从数字A开始,A+1,A+2......,A+N这是一个长度为N+1的连续的整数列。
然后,可以将任意数字擦除某些位数
不能全部擦除
147会变成17
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wenzong
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SRM597_div2_2.md
Created
January 8, 2014 03:05
这是一道很有意思的题目。
题目:
两个相同长度的字符串。
每次可以把任意位置的字符提到字符串首。
问最少需要几次,能让两个字符串完全相同。
如果完全不能,就返回-1。
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