답안 #477456

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
477456	2021-10-02T08:23:07 Z	FireGhost1301	Stove (JOI18_stove)	C++11	100 / 100	26 ms	2332 KB

stove

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

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()

typedef long long ll;
typedef pair<int, int> pii;

const int N = 1e5 + 3;
int n, k, a[N];

void solve() {
    cin >> n >> k;
    for (int i = 1; i <= n; ++i)
        cin >> a[i];
    vector<int> tmp;
    int ans = a[n] - a[1];
    for (int i = 1; i < n; ++i)
        tmp.pb(a[i + 1] - a[i]);
    sort(all(tmp), greater<int> ());
    for (int i = 0; i < k - 1; ++i)
        ans -= tmp[i];
    cout << ans + k;
}

int main() {
    cin.tie(NULL);
    ios_base::sync_with_stdio(false);
    solve();
    return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	1 ms	324 KB	Output is correct
8	Correct	1 ms	208 KB	Output is correct
9	Correct	0 ms	208 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	1 ms	324 KB	Output is correct
8	Correct	1 ms	208 KB	Output is correct
9	Correct	0 ms	208 KB	Output is correct
10	Correct	1 ms	464 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	1 ms	324 KB	Output is correct
8	Correct	1 ms	208 KB	Output is correct
9	Correct	0 ms	208 KB	Output is correct
10	Correct	1 ms	464 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	19 ms	2332 KB	Output is correct
17	Correct	19 ms	2256 KB	Output is correct
18	Correct	21 ms	2260 KB	Output is correct
19	Correct	21 ms	2260 KB	Output is correct
20	Correct	19 ms	2332 KB	Output is correct
21	Correct	26 ms	2316 KB	Output is correct
22	Correct	19 ms	2260 KB	Output is correct
23	Correct	19 ms	2256 KB	Output is correct
24	Correct	19 ms	2300 KB	Output is correct