oj.uz

답안 #395755

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
395755 2021-04-28T21:19:34 Z kaplanbar Stove (JOI18_stove) C++14
100 / 100
 21 ms 2764 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, k;
    cin >> n >> k;

    if(k == n) {
        cout << n;
        exit(0);
    }

    vector<int> v(n);
    for(int i = 0; i < n; i++) {
        cin >> v[i];
    }

    ll s = 0;
    vector<ll> difs;
    for(int i = 1; i < n; i++) {
        s += v[i] - v[i - 1];
        difs.push_back(v[i] - v[i - 1]);
    }

    sort(difs.begin(), difs.end());

    for(int i = 0; i < k - 1; i++) {
        s -= difs[n - 2 - i];
    }

    cout << s + k;


    return 0;
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 336 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 336 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 21 ms 2764 KB Output is correct
17 Correct 21 ms 2764 KB Output is correct
18 Correct 21 ms 2756 KB Output is correct
19 Correct 21 ms 2748 KB Output is correct
20 Correct 21 ms 2752 KB Output is correct
21 Correct 21 ms 2752 KB Output is correct
22 Correct 21 ms 2764 KB Output is correct
23 Correct 21 ms 2748 KB Output is correct
24 Correct 21 ms 2764 KB Output is correct