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#include <fstream>
using namespace std;
#define NMax 105
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n;
int M[NMax][NMax];
int main()
{
int i,j,k;
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(i!=j && M[i][k] && M[k][j] && (!M[i][j] || M[i][j]>M[i][k]+M[k][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;
}