View Compilation Error

0_0_21049475_19073.cpp: In function 'int main()':
0_0_21049475_19073.cpp:41:7: error: expected primary-expression at end of input
   len =
       ^
0_0_21049475_19073.cpp:41:7: error: expected '}' at end of input
0_0_21049475_19073.cpp:41:7: error: expected '}' at end of input