#include <math.h>
#include <stdio.h>
#include <string.h>
#include <vector>
#include <string>
#include <queue>
#include <map>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <sstream>
#include <set>
using namespace std;
int first(vector<int>& dist, int num) {
num = min((int)dist.size(), num);
int res = 0;
for (int i=0; i<num; i++) res += dist[i];
return res;
}
int main()
{
int n, k, d;
cin >> n >> k >> d;
vector<int> horse(k);
for (int i=0; i<k; i++) cin >> horse[i];
sort(horse.begin(), horse.end());
int ll = horse[0] - 1;
int rr = n - horse[k-1];
vector<int> dist;
for (int i=0; i<k; i++) dist.push_back(horse[i+1]-horse[i]-1);
sort(dist.rbegin(), dist.rend());
int res = 0;
res = max(res, first(dist, d/2));
res = max(res, max(ll, rr) + first(dist, (d-1)/2));
if (d >= 2) res = max(res, ll + rr + first(dist, d/2-1));
cout << res << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 3 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 4 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 5 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 6 |
Incorrect |
0 ms |
1680 KB |
Output isn't correct |
| 7 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 3 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 4 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 5 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 6 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 7 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 8 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 9 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 10 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 11 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 12 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 13 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 14 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 15 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 16 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 17 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 18 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 19 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 20 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 21 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 22 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 23 |
Correct |
0 ms |
1680 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 2 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 3 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 4 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 5 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 6 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 7 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 8 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 9 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 10 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 11 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 12 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 13 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 14 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 15 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 16 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 17 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 18 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 19 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 20 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 21 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 22 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 23 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 24 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 25 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 26 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 27 |
Correct |
0 ms |
1680 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
68 ms |
2844 KB |
Output is correct |
| 2 |
Correct |
68 ms |
2844 KB |
Output is correct |
| 3 |
Correct |
64 ms |
2844 KB |
Output is correct |
| 4 |
Correct |
60 ms |
2844 KB |
Output is correct |
| 5 |
Correct |
72 ms |
2844 KB |
Output is correct |
| 6 |
Correct |
68 ms |
2844 KB |
Output is correct |
| 7 |
Correct |
72 ms |
2844 KB |
Output is correct |
| 8 |
Correct |
64 ms |
2844 KB |
Output is correct |
| 9 |
Correct |
36 ms |
2264 KB |
Output is correct |
| 10 |
Correct |
16 ms |
1940 KB |
Output is correct |
| 11 |
Correct |
68 ms |
2828 KB |
Output is correct |
| 12 |
Correct |
68 ms |
2836 KB |
Output is correct |
| 13 |
Correct |
64 ms |
2828 KB |
Output is correct |
| 14 |
Correct |
60 ms |
2836 KB |
Output is correct |
| 15 |
Correct |
60 ms |
2840 KB |
Output is correct |
| 16 |
Correct |
72 ms |
2840 KB |
Output is correct |
| 17 |
Correct |
68 ms |
2832 KB |
Output is correct |
| 18 |
Correct |
72 ms |
2828 KB |
Output is correct |
| 19 |
Correct |
60 ms |
2828 KB |
Output is correct |
| 20 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 21 |
Correct |
0 ms |
1680 KB |
Output is correct |
| 22 |
Correct |
68 ms |
2824 KB |
Output is correct |
| 23 |
Correct |
68 ms |
2836 KB |
Output is correct |
| 24 |
Correct |
68 ms |
2836 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
72 ms |
2844 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
