//Floyd Warshall
#include <fstream>
#include <vector>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
vector<vector<int>>mat;
const int inf=1e9;
int main(){
    int n;
    cin>>n;
    mat.resize(n+1,vector<int>(n+1));

    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin>>mat[i][j];
            if(mat[i][j]==0){
                mat[i][j]=inf;
            }
        }
    }
    for(int k=1;k<=n;k++){
        for(int i=1;i<=n;i++){
            if(k==i || mat[i][k]==inf){
                continue;
            }
            for(int j=1;j<=n;j++){
                if(i==j || mat[k][j]==inf){
                    continue;
                }
             mat[i][j]=min(mat[i][j],mat[i][k]+mat[k][j]);
            }
        }
    }

    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(mat[i][j]==inf){
                mat[i][j]=0;
            }
            cout<<mat[i][j]<<" ";
        }
        cout<<'\n';
    }
}