답안 #650672

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
650672	2022-10-14T16:06:16 Z	Shin	Stove (JOI18_stove)	C++14	100 / 100	20 ms	2384 KB

stove

#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair

using namespace std;
template <class X, class Y> bool minimize(X &a, Y b) {
    if (a > b) return a = b, true;
    return false;
}
template <class X, class Y> bool maximize(X &a, Y b) {
    if (a < b) return a = b, true;
    return false;
}

signed main() {
  cin.tie(0)->sync_with_stdio(0);
  int n, k; cin >> n >> k;
  vector<int> a(n + 1);
  for (int i = 1; i <= n; i ++) {
    cin >> a[i];
  }
  vector<int> gap;
  long long res = a[n] - a[1] + 1;
  for (int i = 2; i <= n; i ++) {
    gap.push_back(a[i] - a[i - 1] - 1);
  }
  sort(gap.begin(), gap.end());
  reverse(gap.begin(), gap.end());
  k --;
  for (int x: gap) {
    if ((-- k) < 0) {
      break;
    }
    res -= x;
  }
  cout << res;
  return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	316 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	316 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	316 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	316 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	316 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	316 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	18 ms	2240 KB	Output is correct
17	Correct	20 ms	2264 KB	Output is correct
18	Correct	19 ms	2240 KB	Output is correct
19	Correct	20 ms	2280 KB	Output is correct
20	Correct	18 ms	2264 KB	Output is correct
21	Correct	17 ms	2256 KB	Output is correct
22	Correct	18 ms	2256 KB	Output is correct
23	Correct	18 ms	2264 KB	Output is correct
24	Correct	19 ms	2384 KB	Output is correct