#include <stdio.h>
#define inf 64000
unsigned n,i,j,k,mat[101][101];

int main()
{
    FILE *f1,*f2;
    f1=fopen("royfloyd.in","r");
    f2=fopen("royfloyd.out","w");
    fscanf(f1,"%d",&n);
    for(i=0;i<n;i++)
        for(j=0;j<n;j++)
        {
            fscanf(f1,"%d",&mat[i][j]);
            if(mat[i][j]==0)
                mat[i][j]=inf;
        }
    for(k=0;k<n;k++)
        for(i=0;i<n;i++)
        if(i!=k)
        {
            for(j=0;j<n;j++)
                if(j!=i && mat[i][j]>mat[i][k]+mat[k][j])
                    mat[i][j]=mat[i][k]+mat[k][j];
        }
    for(i=0;i<n;i++)
    {
        for(j=0;j<n;j++)
            if(mat[i][j]==inf)
                fprintf(f2,"0 ");
            else
                fprintf(f2,"%d ",mat[i][j]);
        fprintf(f2,"\n");
    }
    return 0;
}