2 10 3 4 3 2 2 5
13
选第一种一个,第二种两个。结果为 3*1+5*2=13
对于 30%的数据 1<=v<=500,1<=n<=2000,1<=m<=10,1<=w<=20,1<=s<=100 对于 100%的数据 1<=v<=500,1<=n<=2000,1<=m<=5000,1<=w<=20,1<=s<=100
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