View Compilation Error

0_0_35875409_20661.cpp: In function 'int main()':
0_0_35875409_20661.cpp:26:34: error: expected ')' before '{' token
         if(a[n-1]>((ans+1)*2+ans){
                                  ^
0_0_35875409_20661.cpp:32:5: error: expected primary-expression before '}' token
     }
     ^