#include <cstdio>
#define nmx 102
#define inf 0x3f3f3f3f
using namespace std;

int n, mat[nmx][nmx];

int main(){
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    scanf("%d", &n);
    for(int i = 1;i <= n; ++i)
    for(int j = 1; j <= n; ++j){
        scanf("%d", &mat[i][j]);
        if(not mat[i][j])
            mat[i][j] = inf;
    }

    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(i != j && mat[i][k] && mat[k][j] && (not mat[i][j] || mat[i][j] > mat[i][k] + mat[k][j]))
                    mat[i][j] = mat[i][k] + mat[k][j];

    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j)
            printf("%d ", mat[i][j] == inf ? 0 : mat[i][j]);
        printf("\n");
    }

    return 0;
}