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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int n,i;
int v[102][102];
void show(int v[102][102])
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
fout<<v[i][j]<<" ";
fout<<endl;
}
}
void RoyFloyd()
{
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
if (v[i][k] && v[k][j] && (v[i][j] > v[i][k] + v[k][j] || !v[i][j]) && i != j)
v[i][j]=v[i][k]+v[k][j];
}
}
int main()
{
fin>>n;
for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) fin>>v[i][j];
RoyFloyd();
show(v);
return 0;
}