CSES - Putka Open 2025 – 5/5

Submission details
Task:	Yhdistelmät
Sender:	ollpu
Submission time:	2025-11-30 22:51:07 +0200
Language:	C++ (C++20)
Status:	READY
Result:	62

Feedback
group	verdict	score
#1	ACCEPTED	16
#2	ACCEPTED	17
#3	ACCEPTED	29
#4	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 2, 3, 4	details
#2	ACCEPTED	0.00 s	1, 3, 4	details
#3	ACCEPTED	0.00 s	1, 4	details
#4	ACCEPTED	0.00 s	1, 4	details
#5	ACCEPTED	0.00 s	1, 4	details
#6	ACCEPTED	0.00 s	1, 4	details
#7	ACCEPTED	0.00 s	1, 4	details
#8	ACCEPTED	0.00 s	1, 4	details
#9	ACCEPTED	0.00 s	1, 4	details
#10	ACCEPTED	0.00 s	1, 4	details
#11	ACCEPTED	0.19 s	2, 3, 4	details
#12	ACCEPTED	0.23 s	3, 4	details
#13	WRONG ANSWER	0.19 s	4	details
#14	ACCEPTED	0.19 s	4	details
#15	ACCEPTED	0.48 s	4	details
#16	ACCEPTED	0.54 s	4	details
#17	ACCEPTED	0.54 s	4	details
#18	ACCEPTED	0.00 s	1, 2, 3, 4	details
#19	ACCEPTED	0.00 s	1, 2, 3, 4	details
#20	ACCEPTED	0.71 s	4	details
#21	ACCEPTED	0.09 s	4	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:44:17: warning: variable 'src' set but not used [-Wunused-but-set-variable]
   44 |             int src = i;
      |                 ^~~

Code

#include <bits/stdc++.h>
using namespace std;

const int N = 100;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    int p[n];
    for (int i = 0; i < n; ++i) cin >> p[i];
    bitset<N> g[m];
    int x[m];
    for (int i = 0; i < m; ++i) {
        int k;
        cin >> k >> x[i];
        for (int j = 0; j < k; ++j) {
            int v;
            cin >> v;
            g[i][v-1] = 1;
        }
    }
    bitset<N> cg[m], ca[m];
    int cs[m] {};
    auto score = [&](const bitset<N> &og, const bitset<N> &oa) {
        int res = 0;
        for (int i = 0; i < n; ++i) if (og[i]) res -= p[i];
        for (int i = 0; i < m; ++i) if (oa[i]) res += x[i];
        return res;
    };
    for (int i = 0; i < m; ++i) {
        cg[i] = g[i];
        ca[i][i] = 1;
        cs[i] = score(cg[i], ca[i]);
    }
    bitset<N> ncg[m], nca[m];
    int ncs[m];
    for (int rep = 0; rep < m; ++rep) {
        for (int i = 0; i < m; ++i) {
            ncs[i] = cs[i];
            ncg[i] = cg[i];
            nca[i] = ca[i];
            int src = i;
            for (int j = 0; j < m; ++j) {
                if (i == j) continue;
                if (ca[j][i]) continue;
                auto tg = cg[i] | cg[j];
                auto ta = ca[i] | ca[j];
                int sc = score(tg, ta);
                if (sc > ncs[i]) {
                    ncs[i] = sc;
                    ncg[i] = tg;
                    nca[i] = ta;
                    src = j;
                }
                //cout << i << " cand " << j << " " << sc << endl;
            }
            //cout << i << "<-" << src << " " << ncs[i] << " " << bitset<10>(ncg[i].to_ulong()) << endl;
        }
        for (int i = 0; i < m; ++i) {
            cs[i] = ncs[i];
            cg[i] = ncg[i];
            ca[i] = nca[i];
        }
    }
    int mx = 0;
    bitset<N> mxb;
    for (int i = 0; i < m; ++i) {
        if (cs[i] > mx) {
            mx = cs[i];
            mxb = cg[i];
        }
    }
    cout << mx << endl;
    cout << mxb.count() << endl;
    for (int j = 0; j < n; ++j) if (mxb[j]) cout << j+1 << " ";
    cout << endl;
}

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: ACCEPTED

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

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
`14866226 64 1 2 8 9 10 11 12 14 15 16 17 2...` view save

Test 14

Group: 4

Verdict: ACCEPTED

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

Test 15

Group: 4

Verdict: ACCEPTED

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

Test 16

Group: 4

Verdict: ACCEPTED

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

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

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

Test 17

Group: 4

Verdict: ACCEPTED

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

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: ACCEPTED

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
`0 0` view save

Test 21

Group: 4

Verdict: ACCEPTED

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

Putka Open 2025 – 5/5

Yhdistelmät

Compiler report

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 (ollpu)