#include <cstdio>
#include <iostream>
#define INF 1000000
int a[100][100];
int main()
{
    FILE *fin,*fout;
    fin=fopen("royfloyd.in","r");
    fout=fopen("royfloyd.out","w");
    int n;
    fscanf(fin,"%d",&n);
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
        {
            fscanf(fin,"%d",&a[i][j]);
            if(!a[i][j] && i!=j)
                a[i][j]=INF;
        }
    for(int k=0;k<n;k++)
        for(int i=0;i<n;i++)
            for(int j=0;j<n;j++)
                a[i][j]=std::min(a[i][j],a[i][k]+a[k][j]);
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<n;j++)
        {
            if(a[i][j]==INF)
                a[i][j]=0;
            fprintf(fout,"%d ",a[i][j]);
        }
        fputc('\n',fout);
    }
    fclose(fin);
    fclose(fout);
    return 0;
}