#include<fstream>
#include<iostream>

using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

 int n, a[101][101];
int main(){
	int i,j,k;
	in>>n;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			in>>a[i][j];
		for(k=1;k<=n;k++)
			for(i=1;i<=n;i++)
				for(j=1;j<=n;j++)
					if(i!=k && i!=j && j!=k)
						if(a[i][j] && a[k][j]) {
							int temp=a[i][k] + a[k][j];
							if(temp<a[i][j] || a[i][j]==0)
								a[i][j]=temp;
						}
						for(i=1;i<=n;i++){
							for(j=1;j<=n;j++)
								out<<a[i][j]<<" ";
							out<<"\n";}

return 0;
}