oj.uz

답안 #498289

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
498289 2021-12-24T19:57:10 Z OrazB Stove (JOI18_stove) C++14
100 / 100
 29 ms 4528 KB 
#include <bits/stdc++.h>
#define N 100005
#define ll long long int
#define pii pair <long long, long long>
#define pb push_back
#define ff first
#define ss second
using namespace std;

ll n, k, ans, a[N], m[N];
vector <pii> v;

int main ()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> n >> k;
	if (n == 1) return cout << 1, 0;
	for (int i = 1; i <= n; i++) cin >> a[i];
	sort(a + 1, a + n + 1);
	for (int i = 1; i < n; i++) v.pb({a[i + 1] - a[i], i});
	sort(v.begin(), v.end());
	reverse(v.begin(), v.end());
	for (int i = 0; i < k - 1; i++) m[v[i].ss] = 1;
	for (int i = 2; i <= n; i++){
		if (i == 2){
			if (m[i - 1]) ans += 2;
			else ans += a[i] - a[i - 1] + 1;
			continue;
		}
		if (m[i - 1]) ans++;
		else ans += a[i] - a[i - 1];
	}
	cout << ans;
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 23 ms 4164 KB Output is correct
17 Correct 22 ms 4200 KB Output is correct
18 Correct 25 ms 4368 KB Output is correct
19 Correct 22 ms 4444 KB Output is correct
20 Correct 23 ms 4528 KB Output is correct
21 Correct 23 ms 4480 KB Output is correct
22 Correct 22 ms 4440 KB Output is correct
23 Correct 25 ms 4504 KB Output is correct
24 Correct 29 ms 4440 KB Output is correct