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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
long long n,d[105][105];
int main()
{
fin>>n;
for(int i = 1;i<=n;i++)
{
for(int j = 1;j<=n;j++)
{
fin>>d[i][j];
}
}
for(int k = 1;k<=n;k++)
{
for(int i = 1;i<=n;i++)
{
for(int j = 1;j<=n;j++)
{
if(d[i][k] && d[k][j] && (d[i][j]>d[i][k] + d[k][j] || !d[i][j]) && i != j)
d[i][j] = d[i][k] + d[k][j];
}
}
}
for(int i = 1;i<=n;i++)
{
for(int j = 1;j<=n;j++)
{
fout<<d[i][j]<<' ';
}
fout<<'\n';
}
}