View Compilation Error

0_0_19756762_12597.cpp: In function 'int main()':
0_0_19756762_12597.cpp:13:16: error: 'temp' was not declared in this scope
             if(temp>=k)  
                ^
0_0_19756762_12597.cpp:17:21: error: 'temp' was not declared in this scope
         cout<<sum*k+temp<<endl; 
                     ^
0_0_19756762_12597.cpp:19:1: error: expected '}' at end of input
 }
 ^