#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<vii> vvii;
typedef vector<vi> vvi;
typedef pair<double, double> dodo;
#define pb(x) push_back(x)
#define mp(x, y) make_pair(x, y)
int N, K;
int arr[100000];
int main(int argc, char **argv) {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> N >> K;
for (int i = 0; i < N; i++) {
cin >> arr[i];
}
multiset<int> MS;
for (int i = 0; i < N-1; i++) {
MS.insert(arr[i+1] - arr[i] - 1);
}
K = N-K;
int ans = N;
while (K--) {
ans += *MS.begin();
MS.erase(MS.begin());
}
cout << ans << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
3 ms |
564 KB |
Output is correct |
4 |
Correct |
3 ms |
564 KB |
Output is correct |
5 |
Correct |
2 ms |
620 KB |
Output is correct |
6 |
Correct |
2 ms |
620 KB |
Output is correct |
7 |
Correct |
2 ms |
628 KB |
Output is correct |
8 |
Correct |
3 ms |
628 KB |
Output is correct |
9 |
Correct |
3 ms |
628 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
3 ms |
564 KB |
Output is correct |
4 |
Correct |
3 ms |
564 KB |
Output is correct |
5 |
Correct |
2 ms |
620 KB |
Output is correct |
6 |
Correct |
2 ms |
620 KB |
Output is correct |
7 |
Correct |
2 ms |
628 KB |
Output is correct |
8 |
Correct |
3 ms |
628 KB |
Output is correct |
9 |
Correct |
3 ms |
628 KB |
Output is correct |
10 |
Correct |
3 ms |
672 KB |
Output is correct |
11 |
Correct |
3 ms |
716 KB |
Output is correct |
12 |
Correct |
4 ms |
764 KB |
Output is correct |
13 |
Correct |
3 ms |
764 KB |
Output is correct |
14 |
Correct |
4 ms |
764 KB |
Output is correct |
15 |
Correct |
3 ms |
764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
3 ms |
564 KB |
Output is correct |
4 |
Correct |
3 ms |
564 KB |
Output is correct |
5 |
Correct |
2 ms |
620 KB |
Output is correct |
6 |
Correct |
2 ms |
620 KB |
Output is correct |
7 |
Correct |
2 ms |
628 KB |
Output is correct |
8 |
Correct |
3 ms |
628 KB |
Output is correct |
9 |
Correct |
3 ms |
628 KB |
Output is correct |
10 |
Correct |
3 ms |
672 KB |
Output is correct |
11 |
Correct |
3 ms |
716 KB |
Output is correct |
12 |
Correct |
4 ms |
764 KB |
Output is correct |
13 |
Correct |
3 ms |
764 KB |
Output is correct |
14 |
Correct |
4 ms |
764 KB |
Output is correct |
15 |
Correct |
3 ms |
764 KB |
Output is correct |
16 |
Correct |
83 ms |
5628 KB |
Output is correct |
17 |
Correct |
78 ms |
5628 KB |
Output is correct |
18 |
Correct |
84 ms |
5732 KB |
Output is correct |
19 |
Correct |
73 ms |
5732 KB |
Output is correct |
20 |
Correct |
93 ms |
5732 KB |
Output is correct |
21 |
Correct |
80 ms |
5732 KB |
Output is correct |
22 |
Correct |
89 ms |
5884 KB |
Output is correct |
23 |
Correct |
77 ms |
5884 KB |
Output is correct |
24 |
Correct |
88 ms |
5884 KB |
Output is correct |