Submission #768331

#	Time	Username	Problem	Language	Result	Execution time	Memory
768331		Rifal	Stove (JOI18_stove)	C++14	100 / 100	18 ms	2316 KiB

stove

#include <bits/stdc++.h>
#include <fstream>
#define endl '\n'
#define mod 998244353
#define INF 100000000
//#define ll long long
///#define cin fin
///#define cout fout
#define fi first
#define se second
using namespace std;
///ofstream fout("herding.out");
///ifstream fin("herding.in");

int main()
{
    ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
    int n, k, ans; cin >> n >> k; int arr[n]; ans = n;
    for(int i = 0; i < n; i++) cin >> arr[i];
    sort(arr,arr+n); vector<int> dis;
    for(int i = 1; i < n; i++) {
        dis.push_back(arr[i]-arr[i-1]-1);
    }
    sort(dis.begin(),dis.end());
    for(int i = 0; i < n-k; i++) ans += dis[i];
    cout << ans;
    return 0;
}

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