Problem	molecules
User	huangchengcheng
Submission Time	2026-06-21 21:36:36
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

molecules.cpp: In function ‘std::vector<int> find_subset(int, int, std::vector<int>)’:
molecules.cpp:18:21: error: ‘r’ was not declared in this scope
18 | while(sum+v[r].first<=u){
| ^
molecules.cpp:25:30: error: ‘r’ was not declared in this scope
25 | for(int i=left;i<r;i++){
| ^