diff --git a/Gym/103627/E/E.cpp b/Gym/103627/E/E.cpp new file mode 100644 index 00000000..c29676b5 --- /dev/null +++ b/Gym/103627/E/E.cpp @@ -0,0 +1,68 @@ +#include +#include +#include +#include +#include +#include + +using std::cin; +using std::cout; +const char endl = '\n'; + +const int N = 2505; + +int n, k, s[N], e[N], w[N]; +long long f[N << 1], sum; +std::vector nums; +std::vector> g[N << 1]; + +int main() { + std::ios::sync_with_stdio(false); + cin.tie(nullptr); + + cin >> n >> k; + + for (int i = 1; i <= n; i++) { + cin >> s[i] >> e[i] >> w[i]; + + nums.emplace_back(s[i]); + nums.emplace_back(e[i]); + sum += w[i]; + } + + std::sort(nums.begin(), nums.end()); + nums.erase(std::unique(nums.begin(), nums.end()), nums.end()); + + for (int i = 1; i <= n; i++) { + s[i] = std::distance(nums.begin(), std::lower_bound(nums.begin(), nums.end(), s[i])) + 1; + e[i] = std::distance(nums.begin(), std::lower_bound(nums.begin(), nums.end(), e[i])) + 1; + + g[s[i]].emplace_back(e[i], w[i]); + } + + for (int i = 1; i <= nums.size(); i++) { + std::priority_queue, std::greater<>> q; + long long res = 0; + + for (int j = i; j; j--) { + for (auto e : g[j]) { + if (e.first <= i) { + if (q.size() < k) { + q.emplace(e.second); + res += e.second; + } else if (q.top() < e.second) { + res += e.second - q.top(); + q.pop(); + q.emplace(e.second); + } + } + } + + f[i] = std::max(f[i], f[j - 1] + res); + } + } + + cout << sum - f[nums.size()] << endl; + + return 0; +}