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#include <bits/stdc++.h>
#define Dim 101
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
long long N,A[Dim][Dim][2];
int main()
{
f>>N;
for(int i=1;i<=N;i++)
for(int j=1;j<=N;j++)
{
f>>A[i][j][0];
if(A[i][j][0]==0 && i!=j ) A[i][j][0]=INT_MAX;
}
for(int k=1;k<=N;k++)
for(int i=1;i<=N;i++)
for(int j=1;j<=N;j++)
if(i!=j)
A[i][j][k%2]=min(A[i][j][!(k%2)],A[i][k][!(k%2)]+A[k][j][!(k%2)]);
for(int i=1;i<=N;i++,g<<'\n')
for(int j=1;j<=N;j++)
g<<A[i][j][N%2]<<' ';
return 0;
}