#include <bits/stdc++.h>
#define pb push_back

using namespace std;

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

void debug_out() { cerr << '\n'; }
template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...);}
#define dbg(...) cerr << #__VA_ARGS__ << " ->", debug_out(__VA_ARGS__)
#define dbg_v(x, n) do{cerr<<#x"[]: ";for(int _=0;_<n;++_)cerr<<x[_]<<" ";cerr<<'\n';}while(0)
#define dbg_ok cerr<<"OK!\n"

typedef pair<int,int> pii;
typedef long long int ll;
typedef long double ld;

const int DMAX = 110;

ll M[DMAX][DMAX];

int n;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int i,j,k;

    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++){
            fin>>M[i][j];
            if(!M[i][j] && i!= j)
                M[i][j]=2e9;
        }
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            for(k=1;k<=n;k++)
                if(M[j][k] > M[j][i]+M[i][k])
                    M[j][k]=M[j][i]+M[i][k];
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            if(M[i][j] < 2e9)
                fout<<M[i][j]<<' ';
            else
                fout<<"0 ";
        fout<<'\n';
    }

    return 0;
}