Problem	swapsort
User	RyanGao
Submission Time	2022-12-30 11:39:44
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

swapsort.cpp: In function ‘int main()’:
swapsort.cpp:59:13: error: ‘diffIndex’ was not declared in this scope
59 | isHappy = diffIndex == -1;
| ^~~~~~~~~