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#include <bits/stdc++.h>
#define NMAX 109
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int d[NMAX][NMAX];
int n;
int i,j,k;
int main()
{fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>d[i][j];
for(k=1;k<=n;k++)
for(j=1;j<=n;j++)
for(i=1;i<=n;i++)
if( k!=i && k!=j && i!=j && d[i][k] && d[k][j])
{
if(!d[i][j])
d[i][j]=d[i][k]+d[k][j];
else
if(d[i][j]>d[i][k]+ d[k][j])
d[i][j]=d[i][k]+ d[k][j];
}
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
fout<<d[i][j]<<" ";
fout<<'\n';
}
return 0;
}