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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int m[101][101];
int main()
{
int n;
cin>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
cin>>m[i][j];
for(int k=1;k<=n;++k)
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j){
if((m[i][j]>m[i][k]+m[k][j])&&(m[i][k]!=0&&m[k][j]!=0&&m[i][k]!=0))
m[i][j]=m[i][k]+m[k][j];
if(m[i][j]==0 &&(m[k][j]!=0&&m[i][k]!=0))
m[i][j]=m[i][k]+m[k][j];
}
for(int i=1;i<=n;++i){
for(int j=1;j<=n;++j)
cout<<m[i][j]<<' ';
cout<<'\n';
}
return 0;
}