제출 #587025

#제출 시각아이디문제언어결과실행 시간메모리
587025snasibov05Stove (JOI18_stove)C++14
100 / 100
61 ms1708 KiB
#include <bits/stdc++.h> using namespace std; int main() { int n, k; cin >> n >> k; vector<int> t(n); for (int i = 0; i < n; ++i) cin >> t[i]; vector<bool> stop(n); stop[n-1] = true; vector<pair<int, int>> dif(n-1); for (int i = 0; i < n-1; ++i) dif[i] = {t[i+1] - t[i], i}; sort(dif.rbegin(), dif.rend()); for (int i = 0; i < k-1; ++i) stop[dif[i].second] = true; int prev = t[0]; int ans = 0; for (int i = 0; i < n; ++i){ if (!stop[i]) continue; ans += t[i] - prev + 1; if (i != n-1) prev = t[i+1]; } cout << ans << "\n"; return 0; }
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