View Compilation Error

0_0_32651233_13178.cpp:11:1: error: expected initializer before 'int'
 int pre[10005];
 ^
0_0_32651233_13178.cpp: In function 'int main()':
0_0_32651233_13178.cpp:28:5: error: 'pre' was not declared in this scope
     pre[i]=j;
     ^
0_0_32651233_13178.cpp:35:8: error: 'pre' was not declared in this scope
  while(pre[mark]!=mark)
        ^
0_0_32651233_13178.cpp:37:3: error: 'ans' was not declared in this scope
   ans[cnt-i]=mark;
   ^
0_0_32651233_13178.cpp:41:2: error: 'ans' was not declared in this scope
  ans[cnt-i]=mark;
  ^