#include <bits/stdc++.h>
#define Nmax 102
#define INF 2000000
FILE *fin  = freopen("royfloyd.in", "r", stdin);
FILE *fout = freopen("royfloyd.out", "w", stdout);

using namespace std;
int n, dp[Nmax][Nmax];
void read()
{
    int d;
    scanf("%d", &n);
    for(int i = 1; i <= n; ++ i)
        for(int j = 1; j <= n; ++ j)
        {
            scanf("%d", &dp[i][j]);
            if(i != j && dp[i][j] == 0) dp[i][j] = INF;
        }
}
void solve()
{
    int i, j, k;
    for(k = 1; k <= n; ++ k)
        for(i = 1; i <= n; ++ i)
            for(j = 1; j <= n; ++ j)
                if(dp[i][j] > dp[i][k] + dp[k][j])
                    dp[i][j] = dp[i][k] + dp[k][j];
}
void write()
{
    for(int i = 1; i <= n; ++ i)
    {
        for(int j = 1; j <= n; ++ j)
            if(dp[i][j] == INF)
                printf("0 ");
            else printf("%d ", dp[i][j]);
        printf("\n");
    }

}
int main()
{
    read();
    solve();
    write();
    return 0;
}