#include <cstdio>

using namespace std;
FILE *f,*g;

int a[102][102];

int main()
{
    f=fopen("royfloyd.in","r");
    g=fopen("royfloyd.out","w");
    int n;
    fscanf(f,"%d ",&n);
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            fscanf(f,"%d",&a[i][j]);
   int i,j,k;
   for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if((a[i][j]>a[i][k]+a[k][j] && a[i][k]!=0 && a[k][j]!=0) || (a[i][j]==0 && i!=j))
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            fprintf(g,"%d ",a[i][j]);
        fprintf(g,"\n");
    }
    fclose(f);
    fclose(g);
    return 0;
}