제출 #638326

#제출 시각아이디문제언어결과실행 시간메모리
638326JJAnawatStove (JOI18_stove)C++14
100 / 100
20 ms2172 KiB
#include<bits/stdc++.h> using namespace std; int n,k; int ar[100005]; vector<int> v; int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> k >> ar[0]; for(int i=1;i<n;i++){ cin >> ar[i]; v.push_back(ar[i]-ar[i-1]); } int ans=ar[n-1]-ar[0]+1; sort(v.rbegin(),v.rend()); k--; for(int i=0;i<k;i++){ ans-=v[i]; ans+=1; } cout << ans; }
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