oj.uz

답안 #884690

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
884690 2023-12-08T04:48:13 Z NeroZein Cake 3 (JOI19_cake3) C++17
100 / 100
 3410 ms 15164 KB 
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

const int N = 2e5 + 5;

int n, m;
int cl, cr; 
long long best, ans; 
pair<int, int> a[N]; 
multiset<int> small, big; 

void ins(int x) {
  if ((int) big.size() < m) {
    best += x;
    big.insert(x);
    return; 
  }
  int y = *big.begin();
  if (y < x) {
    small.insert(y);
    big.erase(big.find(y)); 
    best -= y; 
    big.insert(x);
    best += x;     
  } else {
    small.insert(x); 
  }
}

void erase(int x) {
  if (!small.empty() && *small.rbegin() >= x) {
    small.erase(small.find(x)); 
    return; 
  } 
  best -= x; 
  big.erase(big.find(x)); 
  if (!small.empty()) {
    int y = *small.rbegin(); 
    small.erase(small.find(y));
    big.insert(y);
    best += y; 
  }
}

void edit(int l, int r) {
  while (cl > l) ins(a[--cl].second);
  while (cr < r) ins(a[++cr].second); 
  while (cl < l) erase(a[cl++].second);; 
  while (cr > r) erase(a[cr--].second); 
}

void solve(int l, int r, int optl, int optr) {
  if (l > r) return; 
  int mid = (l + r) / 2; 
  pair<long long, int> opt = {-LLONG_MAX, optr}; 
  for (int i = max(mid, optl); i <= optr; ++i) {
    edit(mid, i); 
    long long val = best - 2 * (a[i].first - a[mid].first);
    if (i - mid + 1 >= m) {
      opt = max(opt, make_pair(val, i));       
    }
  }
  ans = max(ans, opt.first); 
  solve(l, mid - 1, optl, opt.second); 
  solve(mid + 1, r, opt.second, optr); 
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  cin >> n >> m;
  for (int i = 1; i <= n; ++i) {
    cin >> a[i].second >> a[i].first; 
  }
  sort(a + 1, a + 1 + n); 
  cl = 1, cr = 0; 
  ans = -LLONG_MAX;
  solve(1, n, 1, n); 
  cout << ans << '\n'; 
  return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 464 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 0 ms 348 KB Output is correct

Subtask #2
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 464 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 7 ms 592 KB Output is correct
39 Correct 6 ms 612 KB Output is correct
40 Correct 6 ms 604 KB Output is correct
41 Correct 6 ms 348 KB Output is correct
42 Correct 5 ms 604 KB Output is correct
43 Correct 7 ms 576 KB Output is correct
44 Correct 6 ms 352 KB Output is correct
45 Correct 7 ms 352 KB Output is correct
46 Correct 7 ms 356 KB Output is correct
47 Correct 6 ms 356 KB Output is correct
48 Correct 6 ms 584 KB Output is correct
49 Correct 6 ms 348 KB Output is correct
50 Correct 7 ms 344 KB Output is correct
51 Correct 6 ms 588 KB Output is correct
52 Correct 6 ms 348 KB Output is correct
53 Correct 6 ms 348 KB Output is correct
54 Correct 5 ms 348 KB Output is correct
55 Correct 5 ms 348 KB Output is correct
56 Correct 5 ms 348 KB Output is correct
57 Correct 5 ms 344 KB Output is correct
58 Correct 5 ms 348 KB Output is correct
59 Correct 3 ms 572 KB Output is correct
60 Correct 3 ms 488 KB Output is correct
61 Correct 3 ms 348 KB Output is correct
62 Correct 3 ms 348 KB Output is correct
63 Correct 3 ms 604 KB Output is correct
64 Correct 3 ms 348 KB Output is correct
65 Correct 7 ms 348 KB Output is correct
66 Correct 6 ms 592 KB Output is correct
67 Correct 7 ms 348 KB Output is correct
68 Correct 6 ms 348 KB Output is correct
69 Correct 6 ms 348 KB Output is correct
70 Correct 6 ms 592 KB Output is correct
71 Correct 6 ms 348 KB Output is correct
72 Correct 5 ms 348 KB Output is correct
73 Correct 4 ms 476 KB Output is correct
74 Correct 4 ms 604 KB Output is correct

Subtask #3
76.0 / 76.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 464 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 7 ms 592 KB Output is correct
39 Correct 6 ms 612 KB Output is correct
40 Correct 6 ms 604 KB Output is correct
41 Correct 6 ms 348 KB Output is correct
42 Correct 5 ms 604 KB Output is correct
43 Correct 7 ms 576 KB Output is correct
44 Correct 6 ms 352 KB Output is correct
45 Correct 7 ms 352 KB Output is correct
46 Correct 7 ms 356 KB Output is correct
47 Correct 6 ms 356 KB Output is correct
48 Correct 6 ms 584 KB Output is correct
49 Correct 6 ms 348 KB Output is correct
50 Correct 7 ms 344 KB Output is correct
51 Correct 6 ms 588 KB Output is correct
52 Correct 6 ms 348 KB Output is correct
53 Correct 6 ms 348 KB Output is correct
54 Correct 5 ms 348 KB Output is correct
55 Correct 5 ms 348 KB Output is correct
56 Correct 5 ms 348 KB Output is correct
57 Correct 5 ms 344 KB Output is correct
58 Correct 5 ms 348 KB Output is correct
59 Correct 3 ms 572 KB Output is correct
60 Correct 3 ms 488 KB Output is correct
61 Correct 3 ms 348 KB Output is correct
62 Correct 3 ms 348 KB Output is correct
63 Correct 3 ms 604 KB Output is correct
64 Correct 3 ms 348 KB Output is correct
65 Correct 7 ms 348 KB Output is correct
66 Correct 6 ms 592 KB Output is correct
67 Correct 7 ms 348 KB Output is correct
68 Correct 6 ms 348 KB Output is correct
69 Correct 6 ms 348 KB Output is correct
70 Correct 6 ms 592 KB Output is correct
71 Correct 6 ms 348 KB Output is correct
72 Correct 5 ms 348 KB Output is correct
73 Correct 4 ms 476 KB Output is correct
74 Correct 4 ms 604 KB Output is correct
75 Correct 2573 ms 14724 KB Output is correct
76 Correct 2385 ms 14168 KB Output is correct
77 Correct 2503 ms 14492 KB Output is correct
78 Correct 2581 ms 14988 KB Output is correct
79 Correct 1504 ms 14716 KB Output is correct
80 Correct 1871 ms 14132 KB Output is correct
81 Correct 2536 ms 11964 KB Output is correct
82 Correct 2458 ms 11580 KB Output is correct
83 Correct 2707 ms 12152 KB Output is correct
84 Correct 2585 ms 11888 KB Output is correct
85 Correct 2495 ms 12100 KB Output is correct
86 Correct 2098 ms 12160 KB Output is correct
87 Correct 2141 ms 11996 KB Output is correct
88 Correct 2374 ms 11600 KB Output is correct
89 Correct 2531 ms 12472 KB Output is correct
90 Correct 2322 ms 13116 KB Output is correct
91 Correct 2100 ms 12372 KB Output is correct
92 Correct 1986 ms 12208 KB Output is correct
93 Correct 2168 ms 12572 KB Output is correct
94 Correct 2346 ms 13652 KB Output is correct
95 Correct 2366 ms 13240 KB Output is correct
96 Correct 482 ms 11108 KB Output is correct
97 Correct 530 ms 11900 KB Output is correct
98 Correct 514 ms 11604 KB Output is correct
99 Correct 531 ms 12456 KB Output is correct
100 Correct 509 ms 12112 KB Output is correct
101 Correct 520 ms 12072 KB Output is correct
102 Correct 1861 ms 11164 KB Output is correct
103 Correct 1842 ms 11348 KB Output is correct
104 Correct 1884 ms 11600 KB Output is correct
105 Correct 2001 ms 12684 KB Output is correct
106 Correct 1974 ms 13004 KB Output is correct
107 Correct 1783 ms 12560 KB Output is correct
108 Correct 2872 ms 14228 KB Output is correct
109 Correct 3410 ms 15056 KB Output is correct
110 Correct 1665 ms 11776 KB Output is correct
111 Correct 1732 ms 10788 KB Output is correct
112 Correct 999 ms 12420 KB Output is correct
113 Correct 1707 ms 15164 KB Output is correct