제출 #1204698

#제출 시각아이디문제언어결과실행 시간메모리
1204698cpdreamerStove (JOI18_stove)C++20
100 / 100
12 ms1988 KiB
#include <bits/stdc++.h> using namespace std; const long long INF = 1e17; typedef long long ll; void solve(){ int n; cin>>n; int k; cin>>k; int A[n]; for(int i=0;i<n;i++) cin>>A[i]; vector<ll>dif; ll c=0; for(int i=0;i<n-1;i++){ dif.push_back(A[i+1]-A[i]); } sort(dif.begin(),dif.end()); for(int i=0;i<n-k;i++){ c+=dif[i]-1; } c+=n; cout<<c<<endl; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); solve(); return 0; }
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