#include <bits/stdc++.h>

using namespace std;

#define N 105

int A[N][N], n;

void rf() {
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(A[i][k] && A[k][j] && i != j && (!A[i][j] || A[i][j] > A[i][k] + A[k][j]))
	                A[i][j] = A[i][k] + A[k][j];
}

int main() {
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");

    fin >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            fin >> A[i][j];

    rf();
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j)
            fout << A[i][j] << ' ';
        fout.put('\n');
    }
}