View Compilation Error

0_0_21950491_15113.cpp: In function 'int main()':
0_0_21950491_15113.cpp:27:18: error: expected ';' before ')' token
         cin>>n>>k);
                  ^
0_0_21950491_15113.cpp: At global scope:
0_0_21950491_15113.cpp:36:1: error: expected unqualified-id before '{' token
 {
 ^