Problem	coinjourney
User	troller
Submission Time	2025-11-03 19:23:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

coinjourney.cpp: In function ‘int main()’:
coinjourney.cpp:21:5: error: ‘else’ without a previous ‘if’
21 | else if (!neg) { // nếu array k có số âm nào => BSTA + prefix sum
| ^~~~