#include <bits/stdc++.h>
using namespace std;
#define ll long long
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define usecppio ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define all(x) ((x).begin()),((x).end())
using pii = pair <int, int>;
#define int ll
#define INF 0x7f7f7f7f7f7f7f7f
const bool debug = false;
vector <int> allgap;
int T[101010];
int n, k;
int32_t main()
{
usecppio
cin >> n >> k;
for (int i = 1; i<=n; i++) cin >> T[i];
for (int i = 2; i<=n; i++)
allgap.push_back(T[i]-T[i-1]-1);
sort(all(allgap),greater<int>());
int off = 0;
for (int i = 0; i<k-1; i++)
off += allgap[i];
cout << T[n]-T[1]+1-off << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
4 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
4 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
380 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
6 ms |
504 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
4 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
380 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
6 ms |
504 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
28 ms |
3316 KB |
Output is correct |
17 |
Correct |
29 ms |
3188 KB |
Output is correct |
18 |
Correct |
28 ms |
3188 KB |
Output is correct |
19 |
Correct |
29 ms |
3188 KB |
Output is correct |
20 |
Correct |
28 ms |
3188 KB |
Output is correct |
21 |
Correct |
28 ms |
3188 KB |
Output is correct |
22 |
Correct |
29 ms |
3188 KB |
Output is correct |
23 |
Correct |
28 ms |
3192 KB |
Output is correct |
24 |
Correct |
27 ms |
3188 KB |
Output is correct |