#include <iostream>
#include <cstdio>
using namespace std;

const int nmx = 100;

int n, g[nmx][nmx];

inline void citire(){
    scanf("%d", &n);
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            scanf("%d", &g[i][j]);
}

inline void royfloyd(){
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(i != j && g[i][k] && g[k][j] && (not g[i][j] || g[i][j] > g[i][k] + g[k][j]))
                    g[i][j] = g[i][k] + g[k][j];
}

inline void afish(){
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            printf("%d ", g[i][j]);
        printf("\n");
    }
}

int main(){
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    citire();
    royfloyd();
    afish();
    return 0;
}