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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
const int nm=100;
int v[nm+5][nm+5],dp[nm+5][nm+5];
int n;
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
cin>>v[i][j];
if(v[i][j]==0 and i!=j)
v[i][j]=1e9;
dp[i][j]=v[i][j];
}
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
for(int k=1;k<=n;k++)
dp[i][j]=min(dp[i][j],dp[i][k]+dp[k][j]);
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
cout<<dp[i][j]<<" ";
cout<<"\n";
}
return 0;
}
/**
**/