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Create 1312_hzq.cpp
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VIJOS/1312_hzq.cpp
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25
VIJOS/1312_hzq.cpp
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#include <iostream>
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#include <cstdio>
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#include <cstring>
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#include <cstdlib>
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using namespace std;
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const int N = 105;
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const int M = N << 1;
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int n,res = 0,head[M],f[M][M] = {0};
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int main()
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{
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scanf("%d",&n);
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for(int i = 1;i <= n;i++)
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{
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scanf("%d",&head[i]);
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head[n + i] = head[i];
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}
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for(int p = 1;p < n;p++)
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for(int i = 1;i < ((n << 1) - 1);i++)
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for(int j = min(i + p,(n << 1) - 1),k = i;k < j;k++)
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f[i][j] = max(f[i][j],f[i][k] + f[k + 1][j] + head[i] * head[k + 1] * head[j + 1]);
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for(int i = 1;i <=n;i++)
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res = max(res,f[i][n + i - 1]);
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printf("%d\n",res);
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return 0;
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}
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