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#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int mad[105][105];
int n;
int main(){
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
fin>>mad[i][j];
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(mad[i][k]>0&&mad[k][j]>0&&(mad[i][k]+mad[k][j]<mad[i][j]||!mad[i][j])&&i!=j)mad[i][j]=mad[i][k]+mad[k][j];
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++)
fout<<mad[i][j]<<" ";
fout<<'\n';
}
return 0;
}