View Compilation Error

0_0_38566597_2421.cpp: In function 'int main()':
0_0_38566597_2421.cpp:40:17: error: 'd' was not declared in this scope
   40 |                 d
      |                 ^
0_0_38566597_2421.cpp:41:2: error: expected '}' at end of input
   41 | }
      |  ^
0_0_38566597_2421.cpp:31:9: note: to match this '{'
   31 |         {
      |         ^
0_0_38566597_2421.cpp:41:2: error: expected '}' at end of input
   41 | }
      |  ^
0_0_38566597_2421.cpp:11:5: note: to match this '{'
   11 |     {
      |     ^
0_0_38566597_2421.cpp:41:2: error: expected '}' at end of input
   41 | }
      |  ^
0_0_38566597_2421.cpp:7:1: note: to match this '{'
    7 | {
      | ^