View Compilation Error

0_0_28621826_18877.cpp: In function 'int main()':
0_0_28621826_18877.cpp:147:19: error: expected primary-expression at end of input
      int mid=(l+r)>>
                   ^
0_0_28621826_18877.cpp:147:19: error: expected ',' or ';' at end of input
0_0_28621826_18877.cpp:147:19: error: expected '}' at end of input
0_0_28621826_18877.cpp:147:19: error: expected '}' at end of input
0_0_28621826_18877.cpp:147:19: error: expected '}' at end of input