답안 #487962

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
487962	2021-11-17T08:46:09 Z	BY_KUTBILIM	Stove (JOI18_stove)	C++17	100 / 100	20 ms	2840 KB

stove

/*
  @AUTHOR: BY_KUTBILIM
  FILE CREATED: 17.11.2021 14:43:09  (GMT+6)
*/
#include <bits/stdc++.h>
using namespace std;

#define endl      '\n'
#define sz(x)     int((x).size())
#define all(x)    (x).begin(), (x).end()
#define rall(x)   (x).rbegin(), (x).rend()
#define fi        first
#define se        second
#define pb        push_back
using ll = long long;
using pii = pair<int, int>;

void solve(){
	int n, k;
	cin >> n >> k;
	long long a[n];
	for(auto &e : a){
		cin >> e;
	}
	long long b[n-1];
	for(int i = 0; i < n-1; i++){
		b[i] = a[i+1] - a[i]-1;
	}
	sort(b, b + n - 1);
	long long ans = n;
	for(int i = 0; i <n-k; i++)ans += b[i];
	cout << ans << endl;
}

int main(){
	ios::sync_with_stdio(0), cin.tie(0);
	solve();
	return 0;
}

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	312 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	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	320 KB	Output is correct
11	Correct	1 ms	320 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 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	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	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	320 KB	Output is correct
11	Correct	1 ms	320 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	20 ms	2840 KB	Output is correct
17	Correct	16 ms	2356 KB	Output is correct
18	Correct	17 ms	2372 KB	Output is correct
19	Correct	17 ms	2764 KB	Output is correct
20	Correct	17 ms	2756 KB	Output is correct
21	Correct	16 ms	2740 KB	Output is correct
22	Correct	16 ms	2736 KB	Output is correct
23	Correct	18 ms	2832 KB	Output is correct
24	Correct	16 ms	2764 KB	Output is correct