Problem C - Sumsets
时间: 1ms 内存:128M
描述:
Problem C - Sumsets
Given S, a set of integers, find the largest d such that a + b + c = d where a, b, c, and d are distinct elements of S.
输入:
Several S, each consisting of a line containing an integer 1 <= n <= 1000 indicating the number of elements in S, followed by the elements of S, one per line. Each element of S is a distinct integer between -536870912 and +536870911 inclusive. The last line of input contains 0.
输出:
For each S, a single line containing d, or a single line containing "no solution".
示例输入:
5
2
3
5
7
12
5
2
16
64
256
1024
0
示例输出:
12
no solution
提示:
参考答案:
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