제출 #1241921

#제출 시각아이디문제언어결과실행 시간메모리
1241921truongnhattungStove (JOI18_stove)C++20
100 / 100
31 ms1220 KiB
#include <bits/stdc++.h> using namespace std; int a[100005]; int main() { int n,k; cin>>n>>k; for (int i=1;i<=n;i++) { cin>>a[i]; } vector <int> p; for (int i=2;i<=n;i++) { p.push_back(a[i]-a[i-1]-1); } sort(p.rbegin(),p.rend()); int sum=a[n]-a[1]+1; for (int i=0;i<k-1;i++) { sum-=p[i]; } cout<<sum; return 0; }
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