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#include <bits/stdc++.h>
#define NMAX 105
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,har[NMAX][NMAX];
void read()
{
int i,j;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>har[i][j];
}
void rf()
{
int k,i,j;
for(k=1;k<=n;k++)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(har[i][k] && har[k][j]) har[i][j]=min(har[i][j],har[i][k]+har[k][j]);
}
}
}
}
void show()
{
int i,j;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<har[i][j]<<' ';
g<<'\n';
}
}
int main()
{
read();
rf();
show();
return 0;
}