#include <bits/stdc++.h>
#define ll long long
#define pii pair <ll, ll>
#define st first
#define nd second
#define rep(i, n, m) for (ll i = (n); i <= (m); i ++)
#define rrep(i, m, n) for (ll i = (m); i >= (n); i --)
using namespace std;
const long long N = 1e5 + 5;
ll n, a[N], k;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> k;
rep(i, 1, n) cin >> a[i];
vector <pii> vi;
vector <pii> pos;
vi.push_back({a[1], a[1] + 1});
ll ans = 0;
rep(i, 2, n) {
if (a[i] == vi.back().nd) {
vi.back().nd ++;
continue;
}
vi.push_back({a[i], a[i] + 1});
}
int cnt = 0;
for (pii x: vi) {
ans += x.nd - x.st;
cnt ++;
}
rep(i, 1, (int)vi.size() - 1)
pos.push_back({vi[i].st - vi[i - 1].nd, i});
sort(pos.begin(), pos.end());
int j = 0;
while (cnt > k) {
ans += pos[j].st;
j ++;
cnt --;
}
cout << ans;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
472 KB |
Output is correct |
| 11 |
Correct |
1 ms |
468 KB |
Output is correct |
| 12 |
Correct |
1 ms |
468 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
1 ms |
476 KB |
Output is correct |
| 15 |
Correct |
1 ms |
496 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
472 KB |
Output is correct |
| 11 |
Correct |
1 ms |
468 KB |
Output is correct |
| 12 |
Correct |
1 ms |
468 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
1 ms |
476 KB |
Output is correct |
| 15 |
Correct |
1 ms |
496 KB |
Output is correct |
| 16 |
Correct |
23 ms |
6700 KB |
Output is correct |
| 17 |
Correct |
25 ms |
6700 KB |
Output is correct |
| 18 |
Correct |
25 ms |
6660 KB |
Output is correct |
| 19 |
Correct |
25 ms |
6732 KB |
Output is correct |
| 20 |
Correct |
24 ms |
6852 KB |
Output is correct |
| 21 |
Correct |
23 ms |
6600 KB |
Output is correct |
| 22 |
Correct |
23 ms |
6716 KB |
Output is correct |
| 23 |
Correct |
24 ms |
6612 KB |
Output is correct |
| 24 |
Correct |
23 ms |
6732 KB |
Output is correct |
