Submission #254202

#	Time	Username	Problem	Language	Result	Execution time	Memory
254202		Atill83	Stove (JOI18_stove)	C++14	100 / 100	34 ms	2432 KiB

stove

#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 3e5+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n, k;
priority_queue<int, vector<int>, greater<int>> q;
int a[MAXN];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>n>>k;
    for(int i = 0; i < n; i++){
        cin>>a[i];
    }
    sort(a, a + n);
    ll ans = n;
    for(int i = 1; i < n; i++) q.push(a[i] - a[i - 1] - 1);

    for(int i = 0; i < n - k; i++){
        ans += q.top();
        q.pop();
    }
    cout<<ans<<endl;


    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

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