View Compilation Error

0_0_14718073_6439.cpp: In function 'void init()':
0_0_14718073_6439.cpp:27:9: error: 'top' was not declared in this scope
  memset(top,0,sizeof(top));
         ^
0_0_14718073_6439.cpp:28:9: error: 'siz' was not declared in this scope
  memset(siz,0,sizeof(siz));
         ^
0_0_14718073_6439.cpp:29:9: error: 'dep' was not declared in this scope
  memset(dep,0,sizeof(dep));
         ^
0_0_14718073_6439.cpp:30:9: error: 'fa' was not declared in this scope
  memset(fa,0,sizeof(fa));
         ^
0_0_14718073_6439.cpp:31:9: error: 'son' was not declared in this scope
  memset(son,0,sizeof(son));
         ^