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#include <fstream>
#define inf 200000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int N, a[102][102];
int main()
{
f>>N;
for (int i=1; i<=N; ++i)
for (int j=1; j<=N; ++j)
f>>a[i][j];
for (int i=1; i<=N; ++i)
for (int j=1; j<=N; ++j)
if (i!=j && a[i][j]==0) a[i][j]=inf;
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][k]+a[k][j]<a[i][j]) a[i][j]=a[i][k]+a[k][j];
for (int i=1; i<=N; ++i && g<<'\n')
for (int j=1; j<=N; ++j)
if (a[i][j]==inf) g<<0<<' ';
else g<<a[i][j]<<' ';
return 0;
}