#include <cstdio>
#include <algorithm>
using namespace std;
#define Max 101
#define Inf 0xfffff

int n,c[Max][Max];

void royfloyd(){
    for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++)
    if( c[i][j] == 0 )c[i][j] = Inf;

    for(int k=1;k<=n;k++)
    for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++)
    if( i!=k && i!=j && j!=k && c[i][j] > c[i][k] + c[k][j] )
    c[i][j] = c[i][k] + c[k][j];

}

int main(){
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

        scanf("%d",&n);

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

   royfloyd();

        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)//printf("%d ",c[i][j]);
            if(c[i][j] == Inf)printf("0 ");else printf("%d ",c[i][j]);
            printf("\n");
        }

    return 0;
}