View Compilation Error

0_0_29330728_30946.cpp: In function 'int main()':
0_0_29330728_30946.cpp:36:9: error: 'k' was not declared in this scope
  cin >> k;
         ^
0_0_29330728_30946.cpp:41:2: error: expected ';' before '}' token
  }
  ^