답안 #156961

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
156961	2019-10-08T15:58:24 Z	a_player	Stove (JOI18_stove)	C++14	100 / 100	88 ms	2936 KB

stove

#include <bits/stdc++.h>

#define f first
#define s second
#define mp make_pair
#define pb push_back

using namespace std;

typedef long long ll;
ll diff[100001];
ll v[100001];
int N,K;
ll s=0;
int main(){
	cin>>N>>K;
	for(int i=0;i<N;i++)cin>>v[i];
	for(int i=0;i<N-1;i++){
	diff[i]=v[i+1]-v[i];
	s+=diff[i];
	}
	sort(diff,diff+(N-1),greater<ll>());
	for(int i=0;i<K-1;i++)s-=diff[i]-1;
	cout<<s+1;
		
	return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	256 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	256 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	256 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	256 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	4 ms	376 KB	Output is correct
11	Correct	4 ms	380 KB	Output is correct
12	Correct	4 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	256 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	256 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	4 ms	376 KB	Output is correct
11	Correct	4 ms	380 KB	Output is correct
12	Correct	4 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	84 ms	2888 KB	Output is correct
17	Correct	88 ms	2908 KB	Output is correct
18	Correct	86 ms	2808 KB	Output is correct
19	Correct	86 ms	2776 KB	Output is correct
20	Correct	84 ms	2808 KB	Output is correct
21	Correct	85 ms	2808 KB	Output is correct
22	Correct	83 ms	2812 KB	Output is correct
23	Correct	84 ms	2936 KB	Output is correct
24	Correct	84 ms	2836 KB	Output is correct