제출 #1158591

#제출 시각아이디문제언어결과실행 시간메모리
1158591brover29Stove (JOI18_stove)C++17
100 / 100
12 ms1864 KiB
#include <bits/stdc++.h> //qwerty47924692 using namespace std; using ll = long long; const ll N=2e5+29; const string br="617283"; #define sz(a)(ll)a.size() #define f first #define s second ll n,t[N],c[N],k; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cin>>n>>k; k--; for(ll i=1;i<=n;i++){ cin>>t[i]; if(i>1)c[i]=t[i]-t[i-1]-1; } ll ans=t[n]-t[1]+1; sort(c+1,c+1+n); reverse(c+1,c+1+n); for(ll i=1;i<=k;i++){ ans-=c[i]; } cout<<ans; }
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