View Compilation Error

0_0_33719702_29116.cpp: In lambda function:
0_0_33719702_29116.cpp:37:28: error: expected '{' before ')' token
  for(int e=first[x];e;e=[e])
                            ^
0_0_33719702_29116.cpp: In function 'void Get_ans(int, int)':
0_0_33719702_29116.cpp:37:24: error: cannot convert 'Get_ans(int, int)::<lambda()>' to 'int' in assignment
  for(int e=first[x];e;e=[e])
                        ^