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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int c[105][105],n;
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
fin>>c[i][j];
if(c[i][j]==0)
c[i][j]=1e9;
}
for(int z=1;z<=n;z++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(c[i][z]!=1e9&&c[z][j]!=1e9&&c[i][j]!=1e9)
c[i][j]=min(c[i][j],c[i][z]+c[z][j]);
for(int i=1;i<=n;i++,fout<<'\n')
for(int j=1;j<=n;j++)
if(c[i][j]!=1e9)
fout<<c[i][j]<<' ';
else
fout<<"0 ";
return 0;
}