hdu 1171

A test case starting with a negative integer terminates input and this test case is not to be processed.ios 负整数终止输入 while(scanf("%d",&n),n>=0)this 题意：n行数据，每行一个v,m;表示m个v，求分红两个差值最小的两组spa 思路：先输入一组数据，初始化v

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