#include <bits/stdc++.h>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int A[105][105];
int n;

int main()
{
    int i,j,k;
    fin>>n;
    for(i = 1; i <= n; i++){
        for(j = 1; j <= n; j++){
            fin>>A[i][j];
        }
    }
    for(k = 1; k <= n; k++){
        for(i = 1; i <= n; i++){
            for(j = 1; j <= n; j++){
                if(i != j){
                    if(A[i][k] != 0 && A[k][j] != 0){
                        if(!A[i][j]){
                            A[i][j] = A[i][k] + A[k][j];
                        }else{
                            A[i][j] = min(A[i][j],A[i][k] + A[k][j]);
                        }
                    }
                }
            }
        }
    }
    for(i = 1; i <= n; i++){
        for(j = 1; j <= n; j++){
            fout<<A[i][j]<<" ";
        }
        fout<<endl;
    }
    return 0;
}