#include<bits/stdc++.h>
using namespace std;
#define X first
#define Y second
#define int long long
const int N = 2e5 + 1;
const int inf = 1e18;
typedef pair<int,int> ii;
ii T[N];
int n, k;
namespace MySet {
int L = 1;
int R = 0;
int Sum = 0;
multiset<int> S1;
multiset<int> S2;
set<int>::iterator it = S1.begin();
void add(int x) {
S1.insert(x);
S2.insert(x);
Sum += x;
if (S2.size() > k) {
if(*it <= x) ++it;
Sum -= *(S2.begin());
S2.erase(S2.begin());
}
else it = S1.begin();
}
void rem(int x) {
if(*it == x)
it++;
if (S1.find(x) != S1.end()) S1.erase(S1.find(x));
if (S2.find(x) != S2.end()) S2.erase(S2.find(x));
if (S2.size() < k) {
Sum -= x; x = *(--it);
Sum += x; S2.insert(x);
}
}
void move(int l,int r) {
while (L > l) add(T[--L].Y);
while (R < r) add(T[++R].Y);
while (L < l) rem(T[L++].Y);
while (R > r) rem(T[R--].Y);
}
};
using MySet::Sum;
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> k;
for(int i = 1 ; i <= n ; ++i)
cin >> T[i].Y >> T[i].X;
sort(T + 1,T + 1 + n);
queue<ii> q;
q.push({k * N + n,N + n - k + 1}); k -= 2;
int ans = -1e18;
while(q.size()) {
int l = q.front().X / N;
int r = q.front().X % N;
int A = q.front().Y / N;
int B = q.front().Y % N;
q.pop();
int m = (l + r) / 2;
int opt = 0;
int cur = -1e18;
for(int i = A ; i <= min(B,m - k - 1) ; ++i) {
MySet::move(i + 1,m - 1);
int nxt = Sum + T[m].Y + T[i].Y - 2 * (T[m].X - T[i].X);
if (nxt > cur) {
cur = nxt;
opt = i;
}
}
ans = max(ans,cur);
if (l < m) q.push({l * N + m - 1,A * N + opt});
if (m < r) q.push({m * N + r + N,opt * N + B});
}
cout << ans << endl;
}
Compilation message
cake3.cpp: In function 'void MySet::add(long long int)':
cake3.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (S2.size() > k) {
~~~~~~~~~~^~~
cake3.cpp: In function 'void MySet::rem(long long int)':
cake3.cpp:45:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (S2.size() < k) {
~~~~~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
380 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
3 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
380 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
376 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
380 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
3 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
380 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
376 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
348 KB |
Output is correct |
38 |
Correct |
20 ms |
632 KB |
Output is correct |
39 |
Correct |
21 ms |
576 KB |
Output is correct |
40 |
Correct |
29 ms |
604 KB |
Output is correct |
41 |
Correct |
15 ms |
584 KB |
Output is correct |
42 |
Correct |
10 ms |
504 KB |
Output is correct |
43 |
Correct |
13 ms |
504 KB |
Output is correct |
44 |
Correct |
21 ms |
504 KB |
Output is correct |
45 |
Correct |
22 ms |
596 KB |
Output is correct |
46 |
Correct |
23 ms |
504 KB |
Output is correct |
47 |
Correct |
22 ms |
504 KB |
Output is correct |
48 |
Correct |
21 ms |
504 KB |
Output is correct |
49 |
Correct |
20 ms |
600 KB |
Output is correct |
50 |
Correct |
20 ms |
504 KB |
Output is correct |
51 |
Correct |
19 ms |
632 KB |
Output is correct |
52 |
Correct |
16 ms |
568 KB |
Output is correct |
53 |
Correct |
17 ms |
504 KB |
Output is correct |
54 |
Correct |
13 ms |
504 KB |
Output is correct |
55 |
Correct |
10 ms |
504 KB |
Output is correct |
56 |
Correct |
10 ms |
504 KB |
Output is correct |
57 |
Correct |
11 ms |
508 KB |
Output is correct |
58 |
Correct |
11 ms |
504 KB |
Output is correct |
59 |
Correct |
11 ms |
504 KB |
Output is correct |
60 |
Correct |
14 ms |
504 KB |
Output is correct |
61 |
Correct |
12 ms |
504 KB |
Output is correct |
62 |
Correct |
9 ms |
632 KB |
Output is correct |
63 |
Correct |
10 ms |
508 KB |
Output is correct |
64 |
Correct |
11 ms |
504 KB |
Output is correct |
65 |
Correct |
19 ms |
540 KB |
Output is correct |
66 |
Correct |
19 ms |
504 KB |
Output is correct |
67 |
Correct |
19 ms |
504 KB |
Output is correct |
68 |
Correct |
18 ms |
504 KB |
Output is correct |
69 |
Correct |
16 ms |
504 KB |
Output is correct |
70 |
Correct |
17 ms |
604 KB |
Output is correct |
71 |
Correct |
18 ms |
504 KB |
Output is correct |
72 |
Correct |
12 ms |
504 KB |
Output is correct |
73 |
Correct |
10 ms |
504 KB |
Output is correct |
74 |
Correct |
4 ms |
632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
380 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
3 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
380 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
376 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
348 KB |
Output is correct |
38 |
Correct |
20 ms |
632 KB |
Output is correct |
39 |
Correct |
21 ms |
576 KB |
Output is correct |
40 |
Correct |
29 ms |
604 KB |
Output is correct |
41 |
Correct |
15 ms |
584 KB |
Output is correct |
42 |
Correct |
10 ms |
504 KB |
Output is correct |
43 |
Correct |
13 ms |
504 KB |
Output is correct |
44 |
Correct |
21 ms |
504 KB |
Output is correct |
45 |
Correct |
22 ms |
596 KB |
Output is correct |
46 |
Correct |
23 ms |
504 KB |
Output is correct |
47 |
Correct |
22 ms |
504 KB |
Output is correct |
48 |
Correct |
21 ms |
504 KB |
Output is correct |
49 |
Correct |
20 ms |
600 KB |
Output is correct |
50 |
Correct |
20 ms |
504 KB |
Output is correct |
51 |
Correct |
19 ms |
632 KB |
Output is correct |
52 |
Correct |
16 ms |
568 KB |
Output is correct |
53 |
Correct |
17 ms |
504 KB |
Output is correct |
54 |
Correct |
13 ms |
504 KB |
Output is correct |
55 |
Correct |
10 ms |
504 KB |
Output is correct |
56 |
Correct |
10 ms |
504 KB |
Output is correct |
57 |
Correct |
11 ms |
508 KB |
Output is correct |
58 |
Correct |
11 ms |
504 KB |
Output is correct |
59 |
Correct |
11 ms |
504 KB |
Output is correct |
60 |
Correct |
14 ms |
504 KB |
Output is correct |
61 |
Correct |
12 ms |
504 KB |
Output is correct |
62 |
Correct |
9 ms |
632 KB |
Output is correct |
63 |
Correct |
10 ms |
508 KB |
Output is correct |
64 |
Correct |
11 ms |
504 KB |
Output is correct |
65 |
Correct |
19 ms |
540 KB |
Output is correct |
66 |
Correct |
19 ms |
504 KB |
Output is correct |
67 |
Correct |
19 ms |
504 KB |
Output is correct |
68 |
Correct |
18 ms |
504 KB |
Output is correct |
69 |
Correct |
16 ms |
504 KB |
Output is correct |
70 |
Correct |
17 ms |
604 KB |
Output is correct |
71 |
Correct |
18 ms |
504 KB |
Output is correct |
72 |
Correct |
12 ms |
504 KB |
Output is correct |
73 |
Correct |
10 ms |
504 KB |
Output is correct |
74 |
Correct |
4 ms |
632 KB |
Output is correct |
75 |
Execution timed out |
4089 ms |
18684 KB |
Time limit exceeded |
76 |
Halted |
0 ms |
0 KB |
- |