oj.uz

Submission #991942

# Submission time Handle Problem Language Result Execution time Memory
991942 2024-06-03T12:28:57 Z jakobrs A Plus B (IOI23_aplusb) C++17
100 / 100
 80 ms 9792 KB 
#include "aplusb.h"

#include <queue>
#include <set>
#include <vector>

std::vector<int> smallest_sums(int N, std::vector<int> A, std::vector<int> B) {
  auto cmp = [&](std::pair<int, int> a, std::pair<int, int> b) {
    auto [a1, a2] = a;
    auto [b1, b2] = b;

    return A[a1] + B[a2] > A[b1] + B[b2];
  };
  auto pq =
      std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int>>,
                          decltype(cmp)>(cmp);
  pq.push({0, 0});

  auto seen = std::set<std::pair<int, int>>{};

  std::vector<int> results;
  for (int i = 0; i < N; i++) {
  pick:
    auto [a, b] = pq.top();
    pq.pop();
    if (seen.find({a, b}) != seen.end())
      goto pick;
    seen.insert({a, b});
    results.push_back(A[a] + B[b]);
    if (a + 1 < A.size())
      pq.push({a + 1, b});
    if (b + 1 < B.size())
      pq.push({a, b + 1});
  }

  return results;
}

Compilation message

aplusb.cpp: In function 'std::vector<int> smallest_sums(int, std::vector<int>, std::vector<int>)':
aplusb.cpp:30:15: warning: comparison of integer expressions of different signedness: 'std::tuple_element<0, std::pair<int, int> >::type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     if (a + 1 < A.size())
      |         ~~~~~~^~~~~~~~~~
aplusb.cpp:32:15: warning: comparison of integer expressions of different signedness: 'std::tuple_element<1, std::pair<int, int> >::type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     if (b + 1 < B.size())
      |         ~~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 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 0 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 0 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 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 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 0 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 0 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 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 432 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 648 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 2 ms 604 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 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 0 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 0 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 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 432 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 648 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 13 ms 1976 KB Output is correct
38 Correct 55 ms 7488 KB Output is correct
39 Correct 47 ms 6976 KB Output is correct
40 Correct 45 ms 6856 KB Output is correct
41 Correct 58 ms 9284 KB Output is correct
42 Correct 63 ms 9240 KB Output is correct
43 Correct 60 ms 9156 KB Output is correct
44 Correct 10 ms 2376 KB Output is correct
45 Correct 47 ms 6984 KB Output is correct
46 Correct 48 ms 6980 KB Output is correct
47 Correct 48 ms 6984 KB Output is correct
48 Correct 61 ms 9284 KB Output is correct
49 Correct 60 ms 9792 KB Output is correct
50 Correct 53 ms 9156 KB Output is correct
51 Correct 80 ms 8080 KB Output is correct
52 Correct 74 ms 8136 KB Output is correct
53 Correct 75 ms 8136 KB Output is correct