제출 #555046

#제출 시각아이디문제언어결과실행 시간메모리
555046colossal_pepeStove (JOI18_stove)C++17
100 / 100
22 ms2124 KiB
#include <iostream> #include <vector> #include <algorithm> using namespace std; int n, k; vector<int> times; vector<int> diff; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> k; times.resize(n), diff.resize(n - 1); for (int &t : times) { cin >> t; } sort(times.begin(), times.end()); for (int i = 0; i + 1 < n; i++) { diff[i] = times[i + 1] - times[i]; } int ans = n; int k_req = n; sort(diff.rbegin(), diff.rend()); while (k_req > k) { ans += diff.back() - 1; k_req--; diff.pop_back(); } cout << ans << endl; return 0; }
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