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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int main()
{
int m[100][100],n;
fin>>n;
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
fin>>m[i][j];
for(int k=0;k<n;k++)
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
if(m[i][k] && m[k][j] && i!=j && (m[i][j]>m[i][k]+m[k][j] || !m[i][j]))
m[i][j]=m[i][k]+m[k][j];
for(int i=0;i<n;i++){
for(int j=0;j<n;j++)
fout<<m[i][j]<<" ";
fout<<"\n";
}
return 0;
}