제출 #1290441

#제출 시각아이디문제언어결과실행 시간메모리
1290441ayemanStove (JOI18_stove)C++20
100 / 100
15 ms2364 KiB
#include <bits/stdc++.h> #define int long long int using namespace std; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n,k;cin>>n>>k; int d[n];for(int i=0;i<n;i++)cin>>d[i]; vector<int>d1; for(int i=0;i<n-1;i++){ d1.push_back(d[i+1]-d[i]-1); } sort(d1.rbegin(),d1.rend()); int ans=d[n-1]+1 - d[0]; for(int i=0;i<k-1;i++){ ans-=d1[i]; } cout<<ans; return 0; }
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