View Compilation Error

0_0_36602192_10178.cpp: In function 'int main()':
0_0_36602192_10178.cpp:23:12: error: request for member 'clear' in 'st', which is of non-class type 'int'
         st.clear();
            ^
0_0_36602192_10178.cpp:24:12: error: request for member 'insert' in 'st', which is of non-class type 'int'
         st.insert(0);
            ^
0_0_36602192_10178.cpp:31:21: error: request for member 'count' in 'st', which is of non-class type 'int'
             if (!st.count(tmp))
                     ^
0_0_36602192_10178.cpp:34:20: error: request for member 'insert' in 'st', which is of non-class type 'int'
                 st.insert(tmp);
                    ^