Programming Contest Solutions and Algorithm Explanations
A. Programming Contest
This problem is a straightforward implementation task. The idea is to count the number of valid years betweeen two given years, excluding specific invalid years provided in the input.
void solve() {
int n, m;
std::cin >> n;
std::vector<int> invalidYearFlag(10000, 0); // Assuming a safe upper bound ...
Posted on Mon, 01 Jun 2026 17:35:16 +0000 by czs