제출 #1321135

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1321135		spetr	Stove (JOI18_stove)	C++20	100 / 100	15 ms	2360 KiB

stove

#include <bits/stdc++.h>

using namespace std;

#define ll long long
const ll mmod = 998244353;  
#define vl vector<long long>
#define vll vector<vector<long long>>
#define pl pair<long long, long long>
#define vb vector<bool>

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);


    ll n, k;
    cin >>n >> k;
    vl nums(n);
    for (ll i = 0; i < n; i++) cin >> nums[i];

    vl gaps;
    for (ll i = 0; i < n-1; i++){
        gaps.push_back(nums[i+1]-nums[i]-1);
    }

    sort(gaps.begin(), gaps.end());
    ll suma = n;
    for (ll i = 0; i < n-k; i++){
        suma += gaps[i];
    }
    cout << suma << "\n";

    return 0;
}

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