#include <cstdio>
#define INF 0x3f3f3f3f
#define Minim(x,y) (x>y?y:x)
using namespace std;

int A[105][105];
int N;


void Citire()
{
    scanf("%d",&N);
    for(int i=1;i<=N;++i)
        for(int j=1;j<=N;++j)
        {
            scanf("%d ",&A[i][j]);
            if(A[i][j]==0)
                A[i][j]=INF;
        }
}

void Roy_Floyd()
{
    for(int k=1;k<=N;++k)
        for(int i=1;i<=N;++i)
            for(int j=1;j<=N;++j)
                if(i!=j)
                    A[i][j]=Minim(A[i][j],A[i][k]+A[k][j]);
}

void Afisare()
{
    for(int i=1;i<=N;++i)
    {
        for(int j=1;j<=N;++j)
            if(A[i][j]==INF)
                printf("%d ",0);
            else
                printf("%d ",A[i][j]);
        printf("\n");
    }
}


int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    Citire();
    Roy_Floyd();
    Afisare();
    return 0;
}