#include <bits/stdc++.h>

using namespace std;

int n,a[105][105];

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

void berlinski() {
    in>>n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j) {
            in>>a[i][j];
            if (a[i][j] == 0)
                a[i][j] = 1<<30;
        }
}

void farcasanu() {
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j) {
                if ( i == j || j == k || i == k)
                    continue;
                a[i][j] = min(a[i][j],a[i][k] + a[k][j]);
            }
}

void cucu() {
    for (int i = 1; i <= n; ++i) {

        for (int j = 1; j <= n; ++j)
            if (a[i][j] == 1<<30)
                out<<0<<" ";
            else
                out<<a[i][j]<<" ";
        out<<endl;
    }
}

int main() {

     berlinski();
     farcasanu();
     cucu();
    return 0;
}