#include "stdlib.h"
#include "stdio.h"
void zyj(int i,int j, int s[4][4])
{ if (i==j)  printf("\n%d",s[i][j]);
  else {zyj(i,s[i][j]-1,s);  
        zyj(s[i][j]+1,j,s); 
        printf("\n%d",s[i][j]); }
}
void main()
{ int s[4][4]={{0,0,0,0},{0,1,0,2},{0,0,0,0},{0,0,0,3}};  
  zyj(1,3,s);}