Problem	guards_ex
User	penguin133
Submission Time	2023-01-02 22:04:56
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

guards_ex.cpp: In function ‘long long int read_int()’:
guards_ex.cpp:28:1: error: ‘main’ was not declared in this scope
28 | main(){
| ^~~~
guards_ex.cpp:38:1: error: expected ‘}’ at end of input
38 | }
| ^
guards_ex.cpp:6:15: note: to match this ‘{’
6 | int read_int(){
| ^