#include <cstdio>

using namespace std;

#define NMAX 105
#define oo (1<<30)

#define minim(a,b) ((a<b)?(a):(b))

int RF[NMAX][NMAX];

int N;

void Read()
{
    freopen("royfloyd.in","r",stdin);

    scanf("%d",&N);
    for(int i=1;i<=N;i++)
        for(int j=1;j<=N;j++)
        {
            scanf("%d",&RF[i][j]);

            if(!RF[i][j] && i!=j)
                RF[i][j] = oo;
        }
}


void RoyFloyd()
{
    for(int k=1;k<=N;k++)
        for(int i=1;i<=N;i++)
            for(int j=1;j<=N;j++)
                RF[i][j] = minim (RF[i][j], RF[i][k] + RF[k][j]);
}

void Print()
{
    freopen("royfloyd.out","w",stdout);

    for(int i=1;i<=N;i++)
    {
        for(int j=1;j<=N;j++)
            if(RF[i][j] >= oo || i == j)
                printf("0 ");
            else
                printf("%d ",RF[i][j]);
        printf("\n");
    }

}

int main()
{
    Read();
    RoyFloyd();
    Print();
    return 0;
}