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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101],n;
const int inf=1000000000;
int main()
{
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){
f>>a[i][j];
if(a[i][j]==0)
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][k]+a[k][j]<a[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++){
if(a[i][j]==inf || i==j)
g<<0<<' ';
else
g<<a[i][j]<<' ';
}
g<<'\n';
}
return 0;
}