제출 #397035

#제출 시각아이디문제언어결과실행 시간메모리
397035danielcm585Stove (JOI18_stove)C++14
100 / 100
29 ms2312 KiB
#include <bits/stdc++.h> using namespace std; #define fi first #define se second typedef long long ll; typedef pair<int,int> ii; const int N = 1e5; int n, k; int t[N+2]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> k; for (int i = 1; i <= n; i++) cin >> t[i]; sort(t+1,t+n+1); int ans = t[n]+1-t[1]; priority_queue<int> pq; for (int i = 2; i <= n; i++) pq.push(t[i]-t[i-1]-1); for (int i = 1; i <= k-1 && !pq.empty(); i++) { ans -= pq.top(); pq.pop(); } cout << ans << '\n'; return 0; }
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