제출 #162297

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
162297		nvmdava	Stove (JOI18_stove)	C++17	100 / 100	26 ms	2428 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
#define pb push_back
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define N 100005
#define INF 0x3f3f3f3f
#define MOD 1000000007LL

int a[N];
vector<int> v;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n, k;
    cin>>n>>k;
    int res = n;
    for(int i = 1; i <= n; i++)
    	cin>>a[i];
    for(int i = 2; i <= n; i++)
    	v.push_back(a[i] - a[i - 1] - 1);
    sort(v.begin(), v.end());

    k = n - k;
    for(int i = 0; i < k; i++)
    	res += v[i];
    
    cout<<res;
}

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