oj.uz

Submission #879284

# Submission time Handle Problem Language Result Execution time Memory
879284 2023-11-27T05:26:57 Z NeroZein Candies (JOI18_candies) C++17
100 / 100
 281 ms 18532 KB 
#include "bits/stdc++.h"
using namespace std;
 
#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif
 
const int MAX_N = 2e5 + 5; 
 
int A[MAX_N]; 
int L[MAX_N], R[MAX_N]; 
long long Val[MAX_N];
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int N;
  cin >> N;
  for (int i = 1; i <= N; ++i) {
    cin >> A[i]; 
  }
  set<array<long long, 3>> Set; 
  for (int i = 1; i <= N; ++i) {
    L[i] = R[i] = i;
    Val[i] = A[i]; 
    Set.insert({-A[i], i, i}); 
  }
  long long ans = 0; 
  for (int i = 1; i <= (N + 1) / 2; ++i) {
    auto [val, l, r] = *Set.begin(); 
    Set.erase({val, l, r}); 
    ans += -val; 
    int newL = L[l - 1];
    int newR = R[r + 1]; 
    long long newVal = Val[L[l - 1]] + Val[r + 1] + val; 
    if (L[l - 1]) {
      int tl = L[l - 1]; 
      Set.erase({-Val[tl], tl, l - 1});      
    }
    if (R[r + 1]) {
      int tr = R[r + 1]; 
      Set.erase({-Val[r + 1], r + 1, tr});      
    }
    if (newL && newR) {
      assert((newR - newL + 1) % 2) ; 
      Set.insert({-newVal, newL, newR});       
    }
    if (newR) {
      L[newR] = newL;      
    }
    R[newL] = newR;
    Val[newL] = newVal; 
    cout << ans << '\n'; 
  }
  return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2652 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 2 ms 2660 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 2 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 2 ms 2692 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 2 ms 2652 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 2 ms 2648 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2684 KB Output is correct

Subtask #2
92.0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2652 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 2 ms 2660 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 2 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 2 ms 2692 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 2 ms 2652 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 2 ms 2648 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2684 KB Output is correct
21 Correct 272 ms 18452 KB Output is correct
22 Correct 236 ms 18208 KB Output is correct
23 Correct 281 ms 18264 KB Output is correct
24 Correct 135 ms 18304 KB Output is correct
25 Correct 127 ms 18216 KB Output is correct
26 Correct 157 ms 18256 KB Output is correct
27 Correct 145 ms 18240 KB Output is correct
28 Correct 139 ms 18268 KB Output is correct
29 Correct 135 ms 18216 KB Output is correct
30 Correct 132 ms 18124 KB Output is correct
31 Correct 144 ms 18200 KB Output is correct
32 Correct 143 ms 18112 KB Output is correct
33 Correct 192 ms 18352 KB Output is correct
34 Correct 190 ms 18276 KB Output is correct
35 Correct 210 ms 18256 KB Output is correct
36 Correct 272 ms 18216 KB Output is correct
37 Correct 242 ms 18360 KB Output is correct
38 Correct 265 ms 18200 KB Output is correct
39 Correct 120 ms 18256 KB Output is correct
40 Correct 119 ms 18260 KB Output is correct
41 Correct 124 ms 18320 KB Output is correct
42 Correct 132 ms 18280 KB Output is correct
43 Correct 141 ms 18532 KB Output is correct
44 Correct 150 ms 18168 KB Output is correct
45 Correct 146 ms 18208 KB Output is correct
46 Correct 130 ms 18480 KB Output is correct
47 Correct 130 ms 18260 KB Output is correct
48 Correct 180 ms 18372 KB Output is correct
49 Correct 211 ms 18260 KB Output is correct
50 Correct 165 ms 18264 KB Output is correct