Problem	staircase
User	Usu
Submission Time	2025-11-01 15:05:41
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

staircase.cpp: In function ‘int main()’:
staircase.cpp:15:9: error: ‘class std::set<long long int>’ has no member named ‘top’
15 | if (k.top() > i){
| ^~~