CSES - Putka Open 2025 – 5/5

Submission details
Task:	Yhdistelmät
Sender:	Yytsi
Submission time:	2025-11-29 11:26:50 +0200
Language:	C++ (C++20)
Status:	READY
Result:	33

Feedback
group	verdict	score
#1	ACCEPTED	16
#2	ACCEPTED	17
#3	WRONG ANSWER	0
#4	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.15 s	1, 2, 3, 4	details
#2	ACCEPTED	0.18 s	1, 3, 4	details
#3	ACCEPTED	0.15 s	1, 4	details
#4	ACCEPTED	0.19 s	1, 4	details
#5	ACCEPTED	0.17 s	1, 4	details
#6	ACCEPTED	0.18 s	1, 4	details
#7	ACCEPTED	0.17 s	1, 4	details
#8	ACCEPTED	0.18 s	1, 4	details
#9	ACCEPTED	0.23 s	1, 4	details
#10	ACCEPTED	0.17 s	1, 4	details
#11	ACCEPTED	0.00 s	2, 3, 4	details
#12	WRONG ANSWER	0.00 s	3, 4	details
#13	WRONG ANSWER	0.00 s	4	details
#14	WRONG ANSWER	0.00 s	4	details
#15	WRONG ANSWER	0.00 s	4	details
#16	WRONG ANSWER	0.00 s	4	details
#17	WRONG ANSWER	0.00 s	4	details
#18	ACCEPTED	0.00 s	1, 2, 3, 4	details
#19	ACCEPTED	0.00 s	1, 2, 3, 4	details
#20	WRONG ANSWER	0.00 s	4	details
#21	WRONG ANSWER	0.00 s	4	details

Code

#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

#ifdef LOCAL
#include "debug.hpp"
#else
#define debug(...) 0xffff
#endif

int n, m;
int costs[101];
vector<pair<int, vector<int>>> combinations;

void solve1() {
  int best = 0;
  auto bestseq = vector<int>();

  for (int S = 0; S < (1<<n); S++) {
    int cost = 0, rewards = 0;
    for (int j = 0; j < n; j++) {
      if (S & (1 << j)) {
        cost += costs[j];
      }
    }
    for (auto& comb : combinations) {
      bool has = true;
      for (int& thing : comb.second) {
        if (!(S & (1<<thing))) {
          has = false;
          break;
        }
      }
      if (has) rewards += comb.first;
    }
    if (rewards - cost > best) {
      best = rewards - cost;
      bestseq.clear();
      for (int j = 0; j < n; j++) {
        if (S & (1 << j)) {
          bestseq.push_back(j);
        }
      }
    }
  }
  cout << best << "\n";
  cout << bestseq.size() << "\n";
  for (int x : bestseq) cout << x+1 << " ";
}

void solve2() {
  int best = 0;
  auto bestseq = vector<int>();
  for (int i = 0; i < n; i++) {
    // should we take this at all?
    int total_reward = 0;
    for (auto& comb : combinations) {
      if (comb.second[0] == i) {
        total_reward += comb.first;
      }
    }

    if (total_reward > costs[i]) {
      best += total_reward - costs[i];
      bestseq.push_back(i);
    }
  }
  
  cout << best << "\n";
  cout << bestseq.size() << "\n";
  for (int x : bestseq) cout << x+1 << " ";
}

int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  
  cin>>n>>m;
  for (int i = 0; i < n; i++) cin>>costs[i];

  int max_k = 1;

  for (int i = 0; i < m; i++) {
    int k, reward;
    cin>>k>>reward;
    max_k = max(max_k, k);
    vector<int> pkg;
    for (int j = 0; j < k; j++) {
      int obj; cin>>obj;
      pkg.push_back(obj - 1);
    }
    combinations.push_back({reward, pkg});
  }

  if (n <= 20 && m <= 20) return solve1(), 0;
  if (max_k == 1) return solve2(), 0;
}

Test details

Test 1

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
`20 20 80 69 91 47 74 75 94 22 100 43...` view save

correct output
`446 11 2 3 5 8 10 13 14 15 17 19 20` view save

user output
`446 11 2 3 5 8 10 13 14 15 17 19 20` view save

Test 2

Group: 1, 3, 4

Verdict: ACCEPTED

input
`20 20 5 42 7 18 55 64 64 83 73 44 22...` view save

correct output
`425 11 1 2 3 4 7 10 13 16 18 19 20` view save

user output
`425 11 1 2 3 4 7 10 13 16 18 19 20` view save

Test 3

Group: 1, 4

Verdict: ACCEPTED

input
`20 20 30 98 55 69 40 3 95 12 64 56 3...` view save

correct output
`284 8 1 3 8 10 15 16 18 19` view save

user output
`284 7 1 3 8 10 15 18 19` view save

Test 4

Group: 1, 4

Verdict: ACCEPTED

input
`20 20 11 44 58 8 16 52 20 43 24 31 4...` view save

correct output
`348 10 2 4 5 7 11 13 15 16 18 20` view save

user output
`348 10 2 4 5 7 11 13 15 16 18 20` view save

Test 5

Group: 1, 4

Verdict: ACCEPTED

input
`20 20 53 44 5 37 88 36 81 47 85 97 3...` view save

correct output
`119 13 1 2 4 8 10 11 13 14 16 17 18 1...` view save

user output
`119 13 1 2 4 8 10 11 13 14 16 17 18 1...` view save

Test 6

Group: 1, 4

Verdict: ACCEPTED

input
`20 20 20 27 75 94 48 62 37 55 49 67 ...` view save

correct output
`478 11 1 2 5 7 10 12 13 15 16 17 18` view save

user output
`478 11 1 2 5 7 10 12 13 15 16 17 18` view save

Test 7

Group: 1, 4

Verdict: ACCEPTED

input
`20 20 32 28 67 72 32 76 53 30 47 67 ...` view save

correct output
`215 10 2 4 5 7 8 9 11 13 16 20` view save

user output
`215 10 2 4 5 7 8 9 11 13 16 20` view save

Test 8

Group: 1, 4

Verdict: ACCEPTED

input
`20 20 39 72 74 79 49 45 73 44 37 4 7...` view save

correct output
`185 13 1 3 5 6 7 8 10 13 14 16 17 18 ...` view save

user output
`185 11 1 3 7 8 10 13 14 16 17 18 20` view save

Test 9

Group: 1, 4

Verdict: ACCEPTED

input
`20 20 41 56 65 78 2 13 17 42 83 76 9...` view save

correct output
`95 11 2 4 5 6 7 8 13 14 17 18 19` view save

user output
`95 11 2 4 5 6 7 8 13 14 17 18 19` view save

Test 10

Group: 1, 4

Verdict: ACCEPTED

input
`20 20 43 1 20 61 25 46 2 18 36 1 85 ...` view save

correct output
`111 8 1 2 3 7 8 10 16 19` view save

user output
`111 8 1 2 3 7 8 10 16 19` view save

Test 11

Group: 2, 3, 4

Verdict: ACCEPTED

input
`100 100 992248 852673 366775 737068 56...` view save

correct output
`30642743 46 3 5 6 9 11 12 15 16 17 18 21 2...` view save

user output
`30642743 46 3 5 6 9 11 12 15 16 17 18 21 2...` view save

Test 12

Group: 3, 4

Verdict: WRONG ANSWER

input
`100 100 153790 361741 45017 47184 9422...` view save

correct output
`16529629 39 2 3 4 5 10 12 14 17 24 25 26 3...` view save

user output
(empty)

Test 13

Group: 4

Verdict: WRONG ANSWER

input
`100 100 186797 446409 957173 150683 17...` view save

correct output
`14928280 62 1 2 8 9 10 11 12 14 15 16 17 2...` view save

user output
(empty)

Test 14

Group: 4

Verdict: WRONG ANSWER

input
`100 100 343213 582494 707357 104682 66...` view save

correct output
`11308944 72 1 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
(empty)

Test 15

Group: 4

Verdict: WRONG ANSWER

input
`100 100 922546 12088 805566 351521 644...` view save

correct output
`3311952 10 14 17 26 29 64 65 70 76 83 95` view save

user output
(empty)

Test 16

Group: 4

Verdict: WRONG ANSWER

input
`100 100 923042 35929 531316 587665 845...` view save

correct output
`519209 6 2 18 45 61 64 86` view save

user output
(empty)

Test 17

Group: 4

Verdict: WRONG ANSWER

input
`100 100 493725 218022 417464 531537 83...` view save

correct output
`1255541 11 16 19 24 29 30 50 60 62 67 74 ...` view save

user output
(empty)

Test 18

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
`1 1 2 1 1 1` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 19

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
`1 1 1 1 2 1` view save

correct output
`1 1 1` view save

user output
`1 1 1` view save

Test 20

Group: 4

Verdict: WRONG ANSWER

input
`100 100 1000000 1000000 1000000 100000...` view save

correct output
`0 100 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
(empty)

Test 21

Group: 4

Verdict: WRONG ANSWER

input
`100 100 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`99999900 100 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
(empty)

Putka Open 2025 – 5/5

Yhdistelmät

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Tasks

Submissions (Yytsi)