#include <stdio.h>
#define N 105
int mat[N][N];
int i,j,k,n;
int main()
{
    FILE *f1,*f2;
    f1=fopen("royfloyd.in","r");
    f2=fopen("royfloyd.out","w");

    fscanf(f1,"%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fscanf(f1,"%d",&mat[i][j]);

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

    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fprintf(f2,"%d ",mat[i][j]);
        fprintf(f2,"\n");
    }
    return 0;
}