제출 #1326617

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1326617		abulkhairologn	Stove (JOI18_stove)	C++20	100 / 100	37 ms	2316 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define speed ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define ll long long
#define pb push_back
#define S second
#define F first
#define pll pair<ll,ll>
#define pii pair<int,int>
void solve(){
    int n,k;
    cin>>n>>k;
    if(n==k){cout<<k;return;}
    ll a[n];
    vector <ll> dif;
    for(int i=0;i<n;i++)cin>>a[i];
    sort(a,a+n);
    ll sum=a[n-1]-a[0]+1;
    for(int i=0;i<n-1;i++)dif.pb(a[i+1]-a[i]-1);
    sort(dif.begin(),dif.end());
    for(int i=dif.size()-1;i>=dif.size()-k+1;i--){
        sum-=dif[i];
    }
    cout<<sum;
}
int main() {
	solve();
return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50