Problem	lunchcombo
User	taqtru
Submission Time	2025-02-17 12:12:34
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lunchcombo.cpp: In function ‘long long int get_sum(long long int, const std::vector<int>&, const std::vector<int>&, const std::vector<long long int>&)’:
lunchcombo.cpp:23:16: error: ‘a’ was not declared in this scope
23 | sum += (ll)a * j + prefix[j];
| ^
lunchcombo.cpp: In function ‘int main()’:
lunchcombo.cpp:60:32: error: invalid initialization of reference of type ‘const std::vector<int>&’ from expression of type ‘std::vector<long long int>’
60 | ll sum_less = get_sum(X - 1, A, B, prefix);
| ^
lunchcombo.cpp:17:37: note: in passing argument 2 of ‘long long int get_sum(long long int, const std::vector<int>&, const std::vector<int>&, const std::vector<long long int>&)’
17 | ll get_sum(ll T, const vector<int>& A, const vector<int>& B, const vector<ll>& prefix) {
| ~~~~~~~~~~~~~~~~~~~^