View Compilation Error

0_0_20469881_20810.cpp: In function 'int main()':
0_0_20469881_20810.cpp:13:3: error: expected identifier before numeric constant
  [17]=10;a[18]=11;a[19]=12;a[20]=13;
   ^
0_0_20469881_20810.cpp: In lambda function:
0_0_20469881_20810.cpp:13:6: error: expected '{' before '=' token
  [17]=10;a[18]=11;a[19]=12;a[20]=13;
      ^
0_0_20469881_20810.cpp: In function 'int main()':
0_0_20469881_20810.cpp:13:6: error: no match for 'operator=' (operand types are 'main()::<lambda()>' and 'int')
0_0_20469881_20810.cpp:13:6: note: candidate is:
0_0_20469881_20810.cpp:13:5: note: main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&) <deleted>
  [17]=10;a[18]=11;a[19]=12;a[20]=13;
     ^
0_0_20469881_20810.cpp:13:5: note:   no known conversion for argument 1 from 'int' to 'const main()::<lambda()>&'