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#include <fstream>
using namespace std;
//ifstream f("megascoala.in");
//ofstream g("megascoala.out");
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int M[101][101];
int n,i,j,k;
int main()
{
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>M[i][j];
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(M[i][k]+M[k][j]<M[i][j]) M[i][j]=M[i][k]+M[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<M[i][j]<<" "; g<<"\n";
}
f.close();
g.close();
return 0;
}