#include <bits/stdc++.h>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

const int INF = 1e9;
const int NMAX = 1e2;
int d[NMAX + 1][NMAX + 1];


int main() {
    int n;
    f >> n;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            d[i][j] = INF;
        }
    }
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            //f >> d[i][j];
            int val;
            f >> val;
            if(i == j) {
                d[i][i] = 0;
            } else {
                if(val != 0) {
                    d[i][j] = val;
                }
            }
        }
    }
    for(int k = 1; k <= n; k++) {
        for(int i = 1; i <= n; i++) {
            for(int j = 1; j <= n; j++) {
                if(d[i][j] > d[i][k] + d[k][j]) {
                    d[i][j] = d[i][k] + d[k][j];
                }
            }
        }
    }
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            if(d[i][j] == INF) {
                g << 0 << ' ';
            } else {
                g << d[i][j] << ' ';
            }
        }
        g << '\n';
    }

    return 0;
}