제출 #998310

#제출 시각아이디문제언어결과실행 시간메모리
998310Roman70Stove (JOI18_stove)C++17
100 / 100
44 ms2776 KiB
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { int n,k; cin >> n >> k; ll a[n]; for(int i = 0;i<n;i++){ cin >> a[i]; } k--; ll ans = n; priority_queue<int>pq; for(int i = 1;i<n;i++){ pq.push(a[i] - a[i-1] - 1); } while(pq.size() && k){ k--; pq.pop(); } while(pq.size()){ ans += pq.top(); pq.pop(); } cout<<ans; return 0; }
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