#include<stdio.h>
using namespace std;

#define FIN "royfloyd.in"
#define FOUT "royfloyd.out"

int g[102][102];
int n;

int read()
{
    freopen(FIN, "r", stdin);
    freopen(FOUT, "w", stdout);

    scanf("%d", &n);
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            scanf("%d", &g[i][j]);

    return 0;
}

int royFloyd()
{
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            for(int k=1;k<=n;k++)
                if(g[i][j] > g[i][k] + g[k][j] && g[i][j] != 0 && i != j)
                    g[i][j] = g[i][k] + g[k][j];
    return 0;
}

int write()
{
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
            printf("%d ", g[i][j]) ;

        printf("\n");
    }

    return 0;
}



int main()
{

    read();
    royFloyd();
    write();

    return 0;
}