답안 #689365

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
689365	2023-01-28T10:08:50 Z	Acanikolic	Stove (JOI18_stove)	C++14	100 / 100	23 ms	3268 KB

stove

#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll mod = 1e9+7;
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    ll n,k;
    cin >> n >> k;
    vector<ll>a(n),b;
    for(ll i=0;i<n;i++) cin >> a[i];
    for(ll i=1;i<n;i++) b.push_back(a[i]-a[i-1]);
    if(k>=n)
    {
        cout << n;
        return 0;
    }
    if(k==1)
    {
        cout << a[n-1]+1-a[0];
        return 0;
    }
    ll R=k;
    ll treba=n-k;
    sort(b.begin(),b.end());
    for(ll i=0;i<treba;i++)
    {
        R+=b[i];
     //   cout << b[i] << endl;
    }
    cout << R;
    return 0;
}

Subtask #1

20.0 / 20.0

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

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	320 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 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	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	320 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 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	21 ms	3156 KB	Output is correct
17	Correct	17 ms	3140 KB	Output is correct
18	Correct	17 ms	3220 KB	Output is correct
19	Correct	19 ms	3268 KB	Output is correct
20	Correct	19 ms	3144 KB	Output is correct
21	Correct	18 ms	3148 KB	Output is correct
22	Correct	23 ms	3140 KB	Output is correct
23	Correct	18 ms	3144 KB	Output is correct
24	Correct	18 ms	3156 KB	Output is correct