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답안 #985368

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
985368 2024-05-17T17:02:30 Z vjudge2 Council (JOI23_council) C++17
62 / 100
 4000 ms 57948 KB 
#include <bits/stdc++.h>
using namespace std;

void update(vector<pair<int, int>>& a, vector<pair<int, int>>& b) {
    vector<pair<int, int>> u;
    set<int> occ;
    // for (int i = 0; i < 2; i++) cout << a[i].first << ' ' << a[i].second << '\n';
    // for (int i = 0; i < 2; i++) cout << b[i].first << ' ' << b[i].second << '\n';
    for (int i = 0; i < 2; i++) {
        // if (!occ.count(a[i]) && a[i].first != -1) {
            u.push_back(a[i]);
            // occ.insert(a[i]);
        // }
        // if (!occ.count(b[i]) && b[i].first != -1) {
            u.push_back(b[i]);
            // occ.insert(b[i]);
        // }
    }
    sort(u.begin(), u.end(), [] (pair<int, int> x, pair<int, int> y) {
        return x.first > y.first;
    });
    vector<pair<int, int>> v;
    for (int i = 0; i < u.size(); i++) {
        if (!occ.count(u[i].second) && u[i].first != -1) {
            v.push_back(u[i]);
            occ.insert(u[i].second);
        }
    }
    while ((int) v.size() > 2) v.pop_back();
    while ((int) v.size() < 2) v.push_back({-1, -1});
    a = v;
}

int main() {
    ios::sync_with_stdio(0); cin.tie(0);   
    int n, m;
    cin >> n >> m;
    vector<int> a(n, 0), freq(m, 0), b(n, 0);
    vector<vector<pair<int, int>>> dp(1 << m, vector<pair<int, int>> (2, {-1, -1}));
    for (int i = 0; i < n; i++) {
        int x;
        for (int j = 0; j < m; j++) {
            cin >> x;
            a[i] += (x << j);
            b[i] += ((1 - x) << j);
            if (x) freq[j]++;
        }
        // bitset<6> bs(b[i]);
        // cout << bs.to_string() << '\n';
        vector<pair<int, int>> t = {{__builtin_popcount(b[i]), i}, {-1, -1}};
        update(dp[b[i]], t);
    }
//     4 6
// 1 1 0 0 1 1
// 1 0 1 1 1 1
// 0 0 0 0 0 1
// 0 1 1 1 0 0
    // max(popcount(b[sth] & s))..
    for (int i = (1 << m) - 1; i >= 0; i--) {
        for (int j = 0; j < m; j++) {
            if (i & (1 << j)) {
                int k = (i ^ (1 << j));
                vector<pair<int, int>> t = dp[i];
                for (auto& [x, y] : t) if (x != -1) x--;
                update(dp[k], t);
            }
        }
    }
    // for (int i = 0; i < (1 << m); i++) {
    //     bitset<6> bs(i);
    //     cout << bs.to_string() << '\n';
    //     cout << dp[i][0].first << ' ' << dp[i][1].first << '\n';
    // }
    for (int i = 0; i < (1 << m); i++) {
        for (int j = 0; j < m; j++) {
            if (i & (1 << j)) {
                int k = (i ^ (1 << j));
                // if (i == 23) cout << "debug: " << dp[i][0].first << ' ' << dp[i][1].first << ' ' << dp[k][0].first << ' ' << dp[k][1].first << '\n';
                update(dp[i], dp[k]);
                // if (i == 23) cout << "debug: " << dp[i][0].first << ' ' << dp[i][1].first << '\n';
            }
        }
        // bitset<6> bs(i);
        // cout << bs.to_string() << '\n';
        // cout << dp[i][0].first << ' ' << dp[i][1].first << '\n';
    }
    for (int i = 0; i < n; i++) {
        int ans = 0, sub = 0;
        for (int j = 0; j < m; j++) {
            int cnter = freq[j];
            if (a[i] & (1 << j)) cnter--;
            if (cnter > n / 2) ans++;
            else if (cnter == n / 2) {
                sub += (1 << j);
                // cout << "crit: " << j << '\n';
            }
        }
        // cout << ans << '\n';
        // cout << dp[sub][0].first << ' ' << dp[sub][0].second << '\n';
        // cout << dp[sub][1].first << ' ' << dp[sub][1].second << '\n';
        if (i == dp[sub][0].second) cout << ans + dp[sub][1].first << '\n';
        else cout << ans + dp[sub][0].first << '\n';
    }
}

Compilation message

council.cpp: In function 'void update(std::vector<std::pair<int, int> >&, std::vector<std::pair<int, int> >&)':
council.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i = 0; i < u.size(); i++) {
      |                     ~~^~~~~~~~~~

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 9 ms 680 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3803 ms 57948 KB Output is correct
6 Correct 3264 ms 57688 KB Output is correct
7 Correct 3549 ms 57692 KB Output is correct
8 Correct 3738 ms 57860 KB Output is correct
9 Execution timed out 4035 ms 57680 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 9 ms 680 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3803 ms 57948 KB Output is correct
6 Correct 3264 ms 57688 KB Output is correct
7 Correct 3549 ms 57692 KB Output is correct
8 Correct 3738 ms 57860 KB Output is correct
9 Execution timed out 4035 ms 57680 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #3
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 115 ms 4460 KB Output is correct
3 Correct 117 ms 4432 KB Output is correct
4 Correct 110 ms 3932 KB Output is correct
5 Correct 121 ms 4348 KB Output is correct
6 Correct 108 ms 3804 KB Output is correct
7 Correct 125 ms 4696 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 600 KB Output is correct

Subtask #4
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 115 ms 4460 KB Output is correct
3 Correct 117 ms 4432 KB Output is correct
4 Correct 110 ms 3932 KB Output is correct
5 Correct 121 ms 4348 KB Output is correct
6 Correct 108 ms 3804 KB Output is correct
7 Correct 125 ms 4696 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 238 ms 9500 KB Output is correct
21 Correct 250 ms 8692 KB Output is correct
22 Correct 224 ms 8576 KB Output is correct
23 Correct 224 ms 9372 KB Output is correct
24 Correct 206 ms 9116 KB Output is correct
25 Correct 235 ms 9304 KB Output is correct
26 Correct 241 ms 9108 KB Output is correct
27 Correct 2 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 1 ms 504 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 456 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 2 ms 348 KB Output is correct
36 Correct 3 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 3 ms 348 KB Output is correct
45 Correct 3 ms 348 KB Output is correct

Subtask #5
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 115 ms 4460 KB Output is correct
3 Correct 117 ms 4432 KB Output is correct
4 Correct 110 ms 3932 KB Output is correct
5 Correct 121 ms 4348 KB Output is correct
6 Correct 108 ms 3804 KB Output is correct
7 Correct 125 ms 4696 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 238 ms 9500 KB Output is correct
21 Correct 250 ms 8692 KB Output is correct
22 Correct 224 ms 8576 KB Output is correct
23 Correct 224 ms 9372 KB Output is correct
24 Correct 206 ms 9116 KB Output is correct
25 Correct 235 ms 9304 KB Output is correct
26 Correct 241 ms 9108 KB Output is correct
27 Correct 2 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 1 ms 504 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 456 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 2 ms 348 KB Output is correct
36 Correct 3 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 3 ms 348 KB Output is correct
45 Correct 3 ms 348 KB Output is correct
46 Correct 9 ms 604 KB Output is correct
47 Correct 348 ms 12496 KB Output is correct
48 Correct 302 ms 11308 KB Output is correct
49 Correct 310 ms 11300 KB Output is correct
50 Correct 299 ms 12776 KB Output is correct
51 Correct 290 ms 12432 KB Output is correct
52 Correct 385 ms 12268 KB Output is correct
53 Correct 367 ms 12588 KB Output is correct
54 Correct 46 ms 1116 KB Output is correct
55 Correct 39 ms 1116 KB Output is correct
56 Correct 43 ms 1116 KB Output is correct
57 Correct 39 ms 1116 KB Output is correct
58 Correct 46 ms 1116 KB Output is correct

Subtask #6
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 115 ms 4460 KB Output is correct
3 Correct 117 ms 4432 KB Output is correct
4 Correct 110 ms 3932 KB Output is correct
5 Correct 121 ms 4348 KB Output is correct
6 Correct 108 ms 3804 KB Output is correct
7 Correct 125 ms 4696 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 600 KB Output is correct
20 Correct 238 ms 9500 KB Output is correct
21 Correct 250 ms 8692 KB Output is correct
22 Correct 224 ms 8576 KB Output is correct
23 Correct 224 ms 9372 KB Output is correct
24 Correct 206 ms 9116 KB Output is correct
25 Correct 235 ms 9304 KB Output is correct
26 Correct 241 ms 9108 KB Output is correct
27 Correct 2 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 1 ms 504 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 456 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 2 ms 348 KB Output is correct
36 Correct 3 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 3 ms 348 KB Output is correct
45 Correct 3 ms 348 KB Output is correct
46 Correct 9 ms 604 KB Output is correct
47 Correct 348 ms 12496 KB Output is correct
48 Correct 302 ms 11308 KB Output is correct
49 Correct 310 ms 11300 KB Output is correct
50 Correct 299 ms 12776 KB Output is correct
51 Correct 290 ms 12432 KB Output is correct
52 Correct 385 ms 12268 KB Output is correct
53 Correct 367 ms 12588 KB Output is correct
54 Correct 46 ms 1116 KB Output is correct
55 Correct 39 ms 1116 KB Output is correct
56 Correct 43 ms 1116 KB Output is correct
57 Correct 39 ms 1116 KB Output is correct
58 Correct 46 ms 1116 KB Output is correct
59 Correct 554 ms 16560 KB Output is correct
60 Correct 736 ms 12620 KB Output is correct
61 Correct 794 ms 12944 KB Output is correct
62 Correct 783 ms 13120 KB Output is correct
63 Correct 603 ms 16300 KB Output is correct
64 Correct 911 ms 20476 KB Output is correct
65 Correct 900 ms 20496 KB Output is correct
66 Correct 699 ms 20740 KB Output is correct
67 Correct 668 ms 20352 KB Output is correct
68 Correct 933 ms 20568 KB Output is correct
69 Correct 968 ms 20744 KB Output is correct
70 Correct 421 ms 7516 KB Output is correct
71 Correct 361 ms 7512 KB Output is correct
72 Correct 395 ms 7516 KB Output is correct
73 Correct 365 ms 7516 KB Output is correct
74 Correct 386 ms 7516 KB Output is correct
75 Correct 528 ms 7768 KB Output is correct

Subtask #7
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 9 ms 680 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3803 ms 57948 KB Output is correct
6 Correct 3264 ms 57688 KB Output is correct
7 Correct 3549 ms 57692 KB Output is correct
8 Correct 3738 ms 57860 KB Output is correct
9 Execution timed out 4035 ms 57680 KB Time limit exceeded
10 Halted 0 ms 0 KB -