View Compilation Error

0_0_36668207_18738.cpp: In function 'int main()':
0_0_36668207_18738.cpp:40:3: error: 'list' was not declared in this scope
   list <int> mylist;
   ^
0_0_36668207_18738.cpp:40:9: error: expected primary-expression before 'int'
   list <int> mylist;
         ^
0_0_36668207_18738.cpp:41:9: error: expected primary-expression before 'int'
   list <int>::iterator it;
         ^
0_0_36668207_18738.cpp:43:4: error: 'mylist' was not declared in this scope
    mylist.push_back(i);
    ^
0_0_36668207_18738.cpp:45:10: error: 'mylist' was not declared in this scope
   while( mylist.size()>3){
          ^
0_0_36668207_18738.cpp:47:8: error: 'it' was not declared in this scope
    for(it=mylist.begin();it!=mylist.end() ; ){
        ^
0_0_36668207_18738.cpp:56:7: error: 'it' was not declared in this scope
   for(it =mylist.begin();it!=mylist.end() ;it++ ){
       ^
0_0_36668207_18738.cpp:56:11: error: 'mylist' was not declared in this scope
   for(it =mylist.begin();it!=mylist.end() ;it++ ){
           ^