#include <fstream>
#include <iostream>
#include <vector>
#include <bitset>
#include <string.h>
#include <algorithm>
#include <iomanip>
#include <math.h>
#include <time.h>
#include <stdlib.h>
#include <set>
#include <map>
#include <string>
#include <queue>
#include <deque>

using namespace std;

const char infile[] = "royfloyd.in";
const char outfile[] = "royfloyd.out";

ifstream fin(infile);
ofstream fout(outfile);

const int MAXN = 105;
const int oo = 0x3f3f3f3f;

typedef vector<int> Graph[MAXN];
typedef vector<int> :: iterator It;

const inline int min(const int &a, const int &b) { if( a > b ) return b;   return a; }
const inline int max(const int &a, const int &b) { if( a < b ) return b;   return a; }
const inline void Get_min(int &a, const int b)    { if( a > b ) a = b; }
const inline void Get_max(int &a, const int b)    { if( a < b ) a = b; }

int N, a[MAXN][MAXN], rf[MAXN][MAXN];

int main() {
    fin >> N;
    for(int i = 1 ; i <= N ; ++ i)
        for(int j = 1 ; j <= N ; ++ j) {
            fin >> a[i][j];
            if(i != j && !a[i][j])
                a[i][j] = oo;
        }
    for(int k = 1 ; k <= N ; ++ k)
        for(int i = 1 ; i <= N ; ++ i)
            for(int j = 1 ; j <= N ; ++ j)
                a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
    for(int i = 1 ; i <= N ; ++ i, fout << '\n')
        for(int j = 1 ; j <= N ; ++ j)
            fout << a[i][j] << ' ';
    return 0;
}