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#include <iostream>
using namespace std;
int a[500][500],n,i,j,k;
int main()
{
cin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
cin>>a[i][j];
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][k]!=0 && a[k][j]!=0 && (a[i][j]>a[i][k]+a[k][j]||a[i][j]==0)&&i!=j)
a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
cout<<a[i][j]<<" ";
cout<<'\n';
}
}