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nuggets.cpp
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nuggets.cpp
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/*
ID: wanggen3
PROG: nuggets
LANG: C++
*/
#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
using namespace std;
ifstream fin("nuggets.in");
ofstream fout("nuggets.out");
int main(int argv,char*argc[])
{
int N;
int pack[10];
int minNum = 9000;
fin >> N;
for(int i=0;i<N;++i)
{
fin >> pack[i];
if(pack[i]<minNum) minNum = pack[i];
}
if(minNum==1)
{
fout << 0 << endl;
}
else
{
vector<unsigned int> num(minNum+1);
int left = minNum;
int temp;
int pos;
for(int k=1;k<minNum;++k)
{
for(int i=0;i<N;++i)
{
for(int j=0;j<=minNum;++j)
{
temp = pack[i]+num[j];
pos = temp%minNum;
if(num[pos]==0||num[pos] > temp)
{
num[pos] = temp;
}
}
}
}
bool isOK = true;
int maxNum = 0;
for(int i=0;i<minNum;++i)
{
if(num[i]==0)
{
isOK = false;
break;
}
else
{
if(num[i]>maxNum)maxNum = num[i];
}
}
if(isOK) fout << maxNum-minNum << endl;
else fout << 0 << endl;
}
fin.close();
fout.close();
return 0;
}