View Compilation Error

0_0_33642005_16145.cpp: In function 'int inint()':
0_0_33642005_16145.cpp:42:9: error: 'link' was not declared in this scope
  memset(link,-1,sizeof(link));
         ^
0_0_33642005_16145.cpp:45:10: error: 'mark' was not declared in this scope
   memset(mark,0,sizeof(mark));
          ^