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#include <iostream>
#include <fstream>
#define NMAX 105
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int mat[NMAX][NMAX];
int n;
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
fin>>mat[i][j];
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
if(mat[i][k] && mat[k][j] && (mat[i][k]+mat[k][j]<mat[i][j] || mat[i][j]==0) && i!=j)
mat[i][j]=mat[i][k]+mat[k][j];
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
fout<<mat[i][j]<<" ";
fout<<"\n";
}
return 0;
}