#include <cstdio>
using namespace std;

const int nmx = 103;

int n, mat[nmx][nmx];

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

void roy_floyd(){
    for(int q = 1; q <= n; ++q)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(i != j && mat[i][q] && mat[q][j] && (not mat[i][j] || mat[i][j] > mat[i][q] + mat[q][j]))
                    mat[i][j] = mat[i][q] + mat[q][j];
}

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

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