Problem	airplane2
User	liuhc1017
Submission Time	2026-07-23 09:55:09
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

airplane2.cpp: In function ‘int main()’:
airplane2.cpp:39:8: error: ‘flag’ was not declared in this scope
39 | if(flag){
| ^~~~