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其实此题是可以用线性规划求解的

Posted by wywcgs at 2008-03-28 14:08:52 on Problem 1000
In Reply To:苦思数日终于得到此难题之解，好题，好水流！ Posted by:TLOF at 2008-03-28 13:25:54 
设立约束方程：
x1 >= a
x1 <= a
x2 >= b
x2 <= b
之后只需要求目标函数f = x1+x2的最小值即可
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