제출 #1229060

#제출 시각아이디문제언어결과실행 시간메모리
1229060hanhokayStove (JOI18_stove)C++17
100 / 100
12 ms1864 KiB
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); ll n,k; cin>>n>>k; ll a[n+5]; ll t[n+5]; for (ll i=1;i<=n;i++) cin>>t[i]; if (n<=k) cout<<n; else { ll kq=0; for (ll i=1;i<n;i++) a[i]=t[i+1]-t[i]-1; sort(a+1,a+n); for (ll i=1;i<=n-k;i++) kq+=a[i]; cout<<kq+n; } }
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