답안 #489309

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
489309	2021-11-22T08:48:44 Z	1ne	Stove (JOI18_stove)	C++14	100 / 100	21 ms	3232 KB

stove

#include<bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n,m;cin>>n>>m;
vector<int64_t>arr(n);
for (int i = 0;i<n;++i)cin>>arr[i];
if (m>=n){
	cout<<n<<'\n';
}
else{
	int k = n - m;
	vector<int64_t>brr;
	int64_t ans = 0;
	for (int i = 0;i<n-1;++i){
		brr.push_back({arr[i+1]-arr[i]});
	}
	sort(brr.begin(),brr.end());
	for (int i = 0;i<k;++i){
		ans+=brr[i];
	}
	ans+= n - k;
	cout<<ans<<'\n';
}
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	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	0 ms	204 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	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 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	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 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	17 ms	3228 KB	Output is correct
17	Correct	17 ms	3136 KB	Output is correct
18	Correct	17 ms	3136 KB	Output is correct
19	Correct	17 ms	3136 KB	Output is correct
20	Correct	18 ms	3144 KB	Output is correct
21	Correct	17 ms	3148 KB	Output is correct
22	Correct	17 ms	3148 KB	Output is correct
23	Correct	16 ms	3148 KB	Output is correct
24	Correct	21 ms	3232 KB	Output is correct