View Compilation Error

0_0_19743177_32735.cpp: In function 'int main()':
0_0_19743177_32735.cpp:75:24: error: 'struct NODE' has no member named 'step'
      p1.x =i;p1.y=j;p1.step=0;
                        ^
0_0_19743177_32735.cpp:79:24: error: 'struct NODE' has no member named 'step'
      p2.x =i;p2.y=j;p2.step=0;
                        ^