답안 #126672

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
126672	2019-07-08T09:04:11 Z	toonewbie	Stove (JOI18_stove)	C++17	100 / 100	25 ms	2424 KB

stove

#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>

#define ll long long
#define F first
#define S second
#define pb push_back
#define endl '\n'
#define all(v) (v).begin(),(v).end()

using namespace std;

const int N = 100005;

int a[N];
int main() {
    ios_base :: sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, k;
    cin >> n >> k;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    vector <int> difs;
    for (int i = 2; i <= n; i++) {
        difs.pb(a[i] - a[i - 1]);
    }
    sort(all(difs));
    int res = k;
    for (int i = 0; i < n - k; i++) {
        res += difs[i];
    }
    cout << res << endl;
    return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct
11	Correct	3 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	3 ms	376 KB	Output is correct
14	Correct	3 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct
11	Correct	3 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	3 ms	376 KB	Output is correct
14	Correct	3 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	25 ms	2296 KB	Output is correct
17	Correct	25 ms	2424 KB	Output is correct
18	Correct	25 ms	2424 KB	Output is correct
19	Correct	25 ms	2424 KB	Output is correct
20	Correct	25 ms	2300 KB	Output is correct
21	Correct	25 ms	2424 KB	Output is correct
22	Correct	25 ms	2424 KB	Output is correct
23	Correct	25 ms	2424 KB	Output is correct
24	Correct	25 ms	2296 KB	Output is correct