Problem	drones
User	personjs
Submission Time	2025-01-06 00:01:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

drones.cpp: In function ‘int main()’:
drones.cpp:53:5: error: ‘else’ without a previous ‘if’
53 | else routes[start].insert(u);
| ^~~~