Submission #385425

#	Time	Username	Problem	Language	Result	Execution time	Memory
385425		Aryan_Raina	Stove (JOI18_stove)	C++14	100 / 100	26 ms	3448 KiB

stove

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ld long double
#define ar array

const int INF = 1e15;
const int MOD = 1e9+7;

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, k; cin>>n>>k;
    vector<int> a(n);
    for (int &i : a) cin>>i;
    int sum = n;
    sort(a.begin(), a.end());
    vector<int> stuff;
    for (int i = 0; i < n-1; i++) {
        stuff.push_back(-(a[i]+1-a[i+1]));
    } 
    sort(stuff.begin(), stuff.end());
    for (int i = 0; i < n-k; i++) {
        sum += stuff[i];
    }
    cout<<sum<<"\n";
}  

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