Problem	summoning
User	yq
Submission Time	2026-06-26 16:52:18
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

summoning.cpp: In function ‘int main()’:
summoning.cpp:15:10: error: request for member ‘pop_back’ in ‘a’, which is of non-class type ‘int [j]’
15 | else a.pop_back();
| ^~~~~~~~
summoning.cpp:19:3: error: expected ‘,’ or ‘;’ before ‘for’
19 | for(int j : b){
| ^~~