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#include <bits/stdc++.h>
#define INF 1000000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,dist[105][105],k;
int main()
{
f>>n;
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
{
f>>dist[i][j];
if (dist[i][j] == 0)
{
dist[i][j] = INF;
}
}
}
for (k=1;k<=n;k++)
{
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
{
if (j==i)
{
continue;
}
if (dist[i][k]+dist[k][j]<=dist[i][j])
{
dist[i][j] = dist[i][k]+dist[k][j];
}
}
}
}
for (i=1;i<=n;i++)
{
for (k=1;k<=n;k++)
{
if (i==k)
{
dist[i][k]=0;
}
g<<dist[i][k]<<" ";
}
g<<'\n';
}
return 0;
}