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#include<fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int N,A[101][101];
int main()
{
f>>N;
for(int i=1;i<=N;++i)
for(int j=1;j<=N;++j){
f>>A[i][j];
if(A[i][j]==0)A[i][j]=0x3f3f3f3f;
}
for(int i=1;i<=N;++i)
for(int j=1;j<=N;++j)
for(int k=1;k<=N;++k)
if(i!=j)
A[i][j]=min(A[i][j],A[i][k]+A[k][j]);
for(int i=1;i<=N;++i){
for(int j=1;j<=N;++j)
if(A[i][j]==0x3f3f3f3f)g<<0<<' ';
else g<<A[i][j]<<' ';
g<<'\n';
}
return 0;
}