#include <iostream>
#include <cstdio>
#define INF 1e9
using namespace std;
const int NMAX = 101;
int d[NMAX][NMAX];
int main()
{
    FILE *fin, *fout;
    int n,i,j,k;
    fin = fopen("royfloyd.in","r");
    fout = fopen("royfloyd.out","w");
    fscanf(fin,"%d",&n);
    for(i=1;i<=n;i++)
      for(j=1;j<=n;j++){
        fscanf(fin,"%d",&d[i][j]);
        if(d[i][j] == 0 && i != j)
          d[i][j] = INF;
      }

    for(k=1;k<=n;k++)
      for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
          if(d[i][j] > d[i][k] + d[k][j])
            d[i][j] = d[i][k] + d[k][j];
    for(i=1;i<=n;i++){
      for(j=1;j<=n;j++)
        fprintf(fout,"%d ",d[i][j]);
      fprintf(fout,"\n");
    }
    fclose(fin);
    fclose(fout);
    return 0;
}