Problem	jewels
User	nycoder
Submission Time	2024-11-11 15:30:02
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

jewels.cpp: In function ‘int main()’:
jewels.cpp:13:13: error: ‘a’ was not declared in this scope
13 | if (k-1 <= a <= k+1){
| ^