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#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,k,a[105][105],i,j;
int main()
{
f>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
{
f>>a[i][j];
if (a[i][j]==0) a[i][j]=1<<28-1;
}
for (k=1;k<=n;k++)
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (i!=j) a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
for (i=1;i<=n;i++){
for (j=1;j<=n;j++)
if (a[i][j]==1<<28-1) g<<0<<' ';
else g<<a[i][j]<<' ';
g<<'\n';
}
return 0;
}