Problem	xuehuapiaopiao
User	kxd
Submission Time	2024-09-12 00:13:19
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

xuehuapiaopiao.cpp: In function ‘int main()’:
xuehuapiaopiao.cpp:53:3: error: ‘else’ without a previous ‘if’
53 | else cout << upper_bound(all(mp[t]), r) - lower_bound(all(mp[t]), l) << endl;
| ^~~~