Problem	lunchcombo
User	xiaocai918
Submission Time	2026-09-12 20:19:10
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lunchcombo.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
1 | #include
| ^
lunchcombo.cpp:4:29: error: ‘vector’ does not name a type
4 | long long countCombos(const vector<long long>& A, const vector<long long>& B, long long X) {
| ^~~~~~
lunchcombo.cpp:4:35: error: expected ‘,’ or ‘...’ before ‘<’ token
4 | long long countCombos(const vector<long long>& A, const vector<long long>& B, long long X) {
| ^
lunchcombo.cpp: In function ‘long long int countCombos(int)’:
lunchcombo.cpp:6:13: error: ‘B’ was not declared in this scope
6 | int j = B.size() - 1;
| ^
lunchcombo.cpp:7:25: error: ‘A’ was not declared in this scope
7 | for (int i = 0; i < A.size(); ++i) {
| ^
lunchcombo.cpp:8:40: error: ‘X’ was not declared in this scope