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// Roy Floyd
#include<iostream>
#include<fstream>
#include<limits>
#define DMAX 105
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int M[DMAX][DMAX];
int n;
void RoyFloyd();
int main()
{
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
f>>M[i][j];
RoyFloyd();
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
g<<M[i][j]<<" ";
g<<"\n";
}
return 0;
}
void RoyFloyd()
{
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] or M[i][j]==0) and i!=j and M[i][k]!=0 and M[k][j]!=0)
M[i][j]=M[i][k]+M[k][j];
}