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#include <fstream>
int n, i, j, k, v[100][100];
std::ifstream fin("royfloyd.in");
std::ofstream fout("royfloyd.out");
int main()
{
fin>>n;
for (i=0;i<n;i++)
for (j=0;j<n;j++)
{
fin>>v[i][j];
if (v[i][j]==0 && i!=j)
v[i][j]=1001;
}
for (k=0;k<n;k++)
for (i=0;i<n;i++)
for (j=0;j<n;j++)
{
if (v[i][j]>v[i][k]+v[k][j])
v[i][j]=v[i][k]+v[k][j];
}
for (i=0;i<n;i++)
{
for (j=0;j<n;j++)
{
if (v[i][j]<1001)
fout<<v[i][j];
else
fout<<0;
fout<<' ';
}
fout<<'\n';
}
return 0;
}