#include <fstream>
#include <vector>
#define pb push_back

using namespace std;

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

const int N = 105;
const int oo = (1 << 30);

int d[N], cost[N][N];
int n, k, i, j;

int main() {
    f >> n;
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
        {
            f >> cost[i][j];
            if(!cost[i][j]) cost[i][j] = oo;
        }

    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(i != j && j != k && k != i)
                        cost[i][j] = min(cost[i][j], cost[i][k] + cost[k][j]);

    for(i = 1; i <= n; i++) {
        for(j = 1; j <= n; j++)
            g << (cost[i][j] == oo ? 0 : cost[i][j]) << ' ';
        g << '\n';
    }
    return 0;
}