답안 #260061

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
260061	2020-08-09T07:25:56 Z	Bill_00	Stove (JOI18_stove)	C++14	100 / 100	84 ms	2168 KB

stove

#include <bits/stdc++.h>
using namespace std;
int a[1000001],b[100001];
int main(){
	int n,k;
	cin >> n >> k;
	for(int i=1;i<=n;i++){
		cin >> a[i];
		if(i>1) b[i]=a[i]-a[i-1];
	}
	int niit=a[n]-a[1];
	if(k==1){
		cout << niit+1;
		return 0;
	}
	int sum=0;
	sort(b+2,b+n+1);
	for(int i=n;i>=n-k+2;i--){
		sum+=b[i];
	}
	cout << niit-sum+k;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	376 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	376 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	2 ms	512 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	376 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	2 ms	512 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	71 ms	2040 KB	Output is correct
17	Correct	84 ms	2044 KB	Output is correct
18	Correct	71 ms	2040 KB	Output is correct
19	Correct	72 ms	2072 KB	Output is correct
20	Correct	76 ms	2040 KB	Output is correct
21	Correct	70 ms	2040 KB	Output is correct
22	Correct	73 ms	2168 KB	Output is correct
23	Correct	75 ms	2040 KB	Output is correct
24	Correct	75 ms	2040 KB	Output is correct