View Compilation Error

0_0_29291145_9107.cpp: In function 'bool dix(double)':
0_0_29291145_9107.cpp:14:16: error: expected primary-expression before '/' token
  return num>=k;/
                ^
0_0_29291145_9107.cpp:15:1: error: expected primary-expression before '}' token
 } 
 ^
0_0_29291145_9107.cpp: In function 'int main()':
0_0_29291145_9107.cpp:17:10: error: 'cin' was not declared in this scope
    while(cin>>n>>k)
          ^