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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
#define inf 1000000000
int a[101][101],n;
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
fin>>a[i][j];
if(i!=j && !a[i][j])
a[i][j]=inf;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;i++)
{for(int j=1;j<=n;j++)
{
if(a[i][j]==inf)
fout<<0<<" ";
else
fout<<a[i][j]<<" ";
}
fout<<endl;}
return 0;
}