#include <iostream>
#include <fstream>

using namespace std;

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

int n;
int C[105][105];

const int inf=1<<20;

void read(){
    in>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++){
            in>>C[i][j];
            if(C[i][j]==0)
                C[i][j]=inf;
        }
}
void solve(){
    for(int k=1;k<=n;k++){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++){
                C[i][j]=min(C[i][j],C[i][k]+C[k][j]);
            }
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++)
            if(C[i][j]==inf||i==j)
                out<<"0 ";
            else out<<C[i][j]<<" ";
        out<<"\n";
    }
}
int main(){
    read();
    solve();
    return 0;
}