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1880.cpp
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1880.cpp
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// Now RE
// Leave it unfinished
// Abandoned
// see 1880_2.cpp
#include <bits/stdc++.h>
using namespace std;
vector<vector<int> >dp_map1(105,vector<int>(105,0));
vector<int>prefix_amount(2*105);
int main()
{
ios::sync_with_stdio(false);
int N;
cin>>N;
for(int i=0; i<N; ++i)
{
int tmp;
cin>>tmp;
prefix_amount[i]=prefix_amount[i-1]+tmp;
}
for(int i=N;i<2*N;++i)
{
prefix_amount[i]=prefix_amount[i-1]+prefix_amount[i-N]-prefix_amount[i-N-1];
}
{
int ttlrange=2;
for(int j=0; j<N; ++j)
{
if(j==0)
{
dp_map1[j][ttlrange]=prefix_amount[j+1];
}
else
{
dp_map1[j][ttlrange]=prefix_amount[j+1]-prefix_amount[j-1];
}
}
}
for(int ttlrange=3; ttlrange<=N; ++ttlrange)
{
for(int start=0; start<N; ++start)
{
int minn=INT_MAX;
for(int firstrange=1; firstrange<=ttlrange; ++firstrange)
{
if(minn>dp_map1[start][firstrange]+dp_map1[(start+firstrange)%N][ttlrange-firstrange]+(start==0?prefix_amount[ttlrange-1]:prefix_amount[ttlrange-1]-prefix_amount[start]))
{
minn=dp_map1[start][firstrange]+dp_map1[(start+firstrange)%N][ttlrange-firstrange]+(start==0?prefix_amount[ttlrange-1]:prefix_amount[ttlrange-1]-prefix_amount[start]);
}
}
cout<<start<<' '<<start+ttlrange-1<<' '<<minn<<endl;
dp_map1[start][ttlrange]=minn+prefix_amount[start+ttlrange-1]-prefix_amount[start-1];
}
}
int minn=INT_MAX;
for(int i=0;i<N;++i)
{
cout<<dp_map1[i][N]<<' ';
}
}