oj.uz

답안 #745425

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
745425 2023-05-20T05:10:22 Z MilosMilutinovic Political Development (BOI17_politicaldevelopment) C++14
100 / 100
 2580 ms 35620 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 5e4 + 10;
int n, k, id[N], f[N];
set<int> g[N];
vector<int> rg[N];
bool was[N];
int main() {
    scanf("%d%d", &n, &k);
    set<pair<int, int>> st;
    for (int i = 0; i < n; i++) {
        int d;
        scanf("%d", &d);
        for (int j = 0; j < d; j++) {
            int x;
            scanf("%d", &x);
            g[i].insert(x);
            rg[x].push_back(i);
        }
        st.emplace(d, i);
    }
    for (int i = 0; i < n; i++) id[i] = -1;
    int ans = 0;
    while (!st.empty()) {
        auto it = st.begin();
        int v = it->second;
        st.erase(it);
        vector<int> ver(1, v);
        for (int x : g[v]) ver.push_back(x);
        int deg = (int) ver.size();
        for (int i = 0; i < deg; i++) id[ver[i]] = i;
        for (int x : ver) {
            f[x] = (1 << id[x]);
            for (int y : ver) if (g[x].find(y) != g[x].end()) f[x] += (1 << id[y]);
        }
        for (int mask = 0; mask < (1 << deg); mask++) {
            bool ok = true;
            for (int i = 0; i < deg; i++) if (mask >> i & 1) {
                if ((f[ver[i]] & mask) != mask) ok = false;
            }
            if (ok) ans = max(ans, __builtin_popcount(mask));
        }
        for (int x : rg[v]) g[x].erase(v);
        for (int x : ver) id[x] = -1, f[x] = 0;
    }
    printf("%d\n", ans);
    return 0;
}

Compilation message

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf("%d%d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~
politicaldevelopment.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         scanf("%d", &d);
      |         ~~~~~^~~~~~~~~~
politicaldevelopment.cpp:16:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |             scanf("%d", &x);
      |             ~~~~~^~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3796 KB Output is correct
2 Correct 2 ms 3796 KB Output is correct
3 Correct 8 ms 4692 KB Output is correct
4 Correct 8 ms 4820 KB Output is correct
5 Correct 7 ms 4716 KB Output is correct
6 Correct 7 ms 4820 KB Output is correct
7 Correct 8 ms 4820 KB Output is correct
8 Correct 5 ms 4052 KB Output is correct
9 Correct 2 ms 3796 KB Output is correct
10 Correct 4 ms 4052 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3796 KB Output is correct
2 Correct 2 ms 3796 KB Output is correct
3 Correct 8 ms 4692 KB Output is correct
4 Correct 8 ms 4820 KB Output is correct
5 Correct 7 ms 4716 KB Output is correct
6 Correct 7 ms 4820 KB Output is correct
7 Correct 8 ms 4820 KB Output is correct
8 Correct 5 ms 4052 KB Output is correct
9 Correct 2 ms 3796 KB Output is correct
10 Correct 4 ms 4052 KB Output is correct
11 Correct 8 ms 4736 KB Output is correct
12 Correct 8 ms 4692 KB Output is correct
13 Correct 2 ms 3836 KB Output is correct
14 Correct 9 ms 4820 KB Output is correct
15 Correct 2 ms 3924 KB Output is correct
16 Correct 8 ms 4740 KB Output is correct
17 Correct 3 ms 3796 KB Output is correct
18 Correct 8 ms 4820 KB Output is correct
19 Correct 4 ms 4100 KB Output is correct
20 Correct 7 ms 4488 KB Output is correct
21 Correct 6 ms 4436 KB Output is correct
22 Correct 4 ms 4096 KB Output is correct
23 Correct 11 ms 4872 KB Output is correct
24 Correct 4 ms 4052 KB Output is correct
25 Correct 12 ms 4932 KB Output is correct
26 Correct 9 ms 4824 KB Output is correct
27 Correct 11 ms 4692 KB Output is correct
28 Correct 11 ms 4808 KB Output is correct
29 Correct 7 ms 4740 KB Output is correct
30 Correct 9 ms 4948 KB Output is correct
31 Correct 9 ms 4872 KB Output is correct
32 Correct 10 ms 4948 KB Output is correct
33 Correct 9 ms 4880 KB Output is correct
34 Correct 9 ms 4948 KB Output is correct
35 Correct 6 ms 4360 KB Output is correct
36 Correct 8 ms 4308 KB Output is correct
37 Correct 6 ms 4320 KB Output is correct
38 Correct 4 ms 4180 KB Output is correct
39 Correct 6 ms 4180 KB Output is correct
40 Correct 14 ms 5348 KB Output is correct
41 Correct 5 ms 4180 KB Output is correct
42 Correct 13 ms 5332 KB Output is correct
43 Correct 13 ms 5364 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4052 KB Output is correct
2 Correct 2 ms 3796 KB Output is correct
3 Correct 2 ms 3840 KB Output is correct
4 Correct 3 ms 3840 KB Output is correct
5 Correct 2 ms 3796 KB Output is correct
6 Correct 2 ms 3796 KB Output is correct
7 Correct 2 ms 3796 KB Output is correct
8 Correct 3 ms 3836 KB Output is correct
9 Correct 2 ms 3796 KB Output is correct
10 Correct 2 ms 3796 KB Output is correct
11 Correct 664 ms 35608 KB Output is correct
12 Correct 2 ms 3832 KB Output is correct
13 Correct 663 ms 35612 KB Output is correct
14 Correct 3 ms 3796 KB Output is correct
15 Correct 665 ms 35620 KB Output is correct
16 Correct 664 ms 35616 KB Output is correct
17 Correct 687 ms 35612 KB Output is correct
18 Correct 702 ms 35616 KB Output is correct

Subtask #4
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3796 KB Output is correct
2 Correct 2 ms 3796 KB Output is correct
3 Correct 8 ms 4692 KB Output is correct
4 Correct 8 ms 4820 KB Output is correct
5 Correct 7 ms 4716 KB Output is correct
6 Correct 7 ms 4820 KB Output is correct
7 Correct 8 ms 4820 KB Output is correct
8 Correct 5 ms 4052 KB Output is correct
9 Correct 2 ms 3796 KB Output is correct
10 Correct 4 ms 4052 KB Output is correct
11 Correct 8 ms 4736 KB Output is correct
12 Correct 8 ms 4692 KB Output is correct
13 Correct 2 ms 3836 KB Output is correct
14 Correct 9 ms 4820 KB Output is correct
15 Correct 2 ms 3924 KB Output is correct
16 Correct 8 ms 4740 KB Output is correct
17 Correct 3 ms 3796 KB Output is correct
18 Correct 8 ms 4820 KB Output is correct
19 Correct 4 ms 4100 KB Output is correct
20 Correct 7 ms 4488 KB Output is correct
21 Correct 6 ms 4436 KB Output is correct
22 Correct 4 ms 4096 KB Output is correct
23 Correct 11 ms 4872 KB Output is correct
24 Correct 4 ms 4052 KB Output is correct
25 Correct 12 ms 4932 KB Output is correct
26 Correct 9 ms 4824 KB Output is correct
27 Correct 11 ms 4692 KB Output is correct
28 Correct 11 ms 4808 KB Output is correct
29 Correct 7 ms 4740 KB Output is correct
30 Correct 9 ms 4948 KB Output is correct
31 Correct 9 ms 4872 KB Output is correct
32 Correct 10 ms 4948 KB Output is correct
33 Correct 9 ms 4880 KB Output is correct
34 Correct 9 ms 4948 KB Output is correct
35 Correct 6 ms 4360 KB Output is correct
36 Correct 8 ms 4308 KB Output is correct
37 Correct 6 ms 4320 KB Output is correct
38 Correct 4 ms 4180 KB Output is correct
39 Correct 6 ms 4180 KB Output is correct
40 Correct 14 ms 5348 KB Output is correct
41 Correct 5 ms 4180 KB Output is correct
42 Correct 13 ms 5332 KB Output is correct
43 Correct 13 ms 5364 KB Output is correct
44 Correct 36 ms 6484 KB Output is correct
45 Correct 2 ms 3796 KB Output is correct
46 Correct 13 ms 5332 KB Output is correct
47 Correct 29 ms 6560 KB Output is correct
48 Correct 13 ms 5256 KB Output is correct
49 Correct 30 ms 6484 KB Output is correct
50 Correct 34 ms 6484 KB Output is correct
51 Correct 624 ms 8864 KB Output is correct
52 Correct 8 ms 4692 KB Output is correct
53 Correct 182 ms 9388 KB Output is correct
54 Correct 2580 ms 9444 KB Output is correct
55 Correct 7 ms 4820 KB Output is correct
56 Correct 8 ms 4744 KB Output is correct
57 Correct 4 ms 4052 KB Output is correct
58 Correct 183 ms 9604 KB Output is correct
59 Correct 12 ms 5204 KB Output is correct
60 Correct 8 ms 4820 KB Output is correct
61 Correct 11 ms 5204 KB Output is correct
62 Correct 11 ms 5308 KB Output is correct
63 Correct 33 ms 6484 KB Output is correct
64 Correct 24 ms 6264 KB Output is correct
65 Correct 14 ms 5220 KB Output is correct
66 Correct 14 ms 5312 KB Output is correct
67 Correct 53 ms 7000 KB Output is correct
68 Correct 23 ms 6228 KB Output is correct
69 Correct 12 ms 5212 KB Output is correct
70 Correct 23 ms 6212 KB Output is correct
71 Correct 51 ms 6984 KB Output is correct
72 Correct 44 ms 6872 KB Output is correct
73 Correct 10 ms 4740 KB Output is correct
74 Correct 32 ms 6276 KB Output is correct
75 Correct 48 ms 6928 KB Output is correct
76 Correct 17 ms 5716 KB Output is correct
77 Correct 86 ms 7588 KB Output is correct
78 Correct 7 ms 4744 KB Output is correct
79 Correct 44 ms 5700 KB Output is correct
80 Correct 18 ms 5716 KB Output is correct
81 Correct 97 ms 7588 KB Output is correct
82 Correct 4 ms 4100 KB Output is correct
83 Correct 48 ms 5704 KB Output is correct
84 Correct 61 ms 7064 KB Output is correct
85 Correct 5 ms 4100 KB Output is correct
86 Correct 51 ms 6924 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3796 KB Output is correct
2 Correct 2 ms 3796 KB Output is correct
3 Correct 8 ms 4692 KB Output is correct
4 Correct 8 ms 4820 KB Output is correct
5 Correct 7 ms 4716 KB Output is correct
6 Correct 7 ms 4820 KB Output is correct
7 Correct 8 ms 4820 KB Output is correct
8 Correct 5 ms 4052 KB Output is correct
9 Correct 2 ms 3796 KB Output is correct
10 Correct 4 ms 4052 KB Output is correct
11 Correct 8 ms 4736 KB Output is correct
12 Correct 8 ms 4692 KB Output is correct
13 Correct 2 ms 3836 KB Output is correct
14 Correct 9 ms 4820 KB Output is correct
15 Correct 2 ms 3924 KB Output is correct
16 Correct 8 ms 4740 KB Output is correct
17 Correct 3 ms 3796 KB Output is correct
18 Correct 8 ms 4820 KB Output is correct
19 Correct 4 ms 4100 KB Output is correct
20 Correct 7 ms 4488 KB Output is correct
21 Correct 6 ms 4436 KB Output is correct
22 Correct 4 ms 4096 KB Output is correct
23 Correct 11 ms 4872 KB Output is correct
24 Correct 4 ms 4052 KB Output is correct
25 Correct 12 ms 4932 KB Output is correct
26 Correct 9 ms 4824 KB Output is correct
27 Correct 11 ms 4692 KB Output is correct
28 Correct 11 ms 4808 KB Output is correct
29 Correct 7 ms 4740 KB Output is correct
30 Correct 9 ms 4948 KB Output is correct
31 Correct 9 ms 4872 KB Output is correct
32 Correct 10 ms 4948 KB Output is correct
33 Correct 9 ms 4880 KB Output is correct
34 Correct 9 ms 4948 KB Output is correct
35 Correct 6 ms 4360 KB Output is correct
36 Correct 8 ms 4308 KB Output is correct
37 Correct 6 ms 4320 KB Output is correct
38 Correct 4 ms 4180 KB Output is correct
39 Correct 6 ms 4180 KB Output is correct
40 Correct 14 ms 5348 KB Output is correct
41 Correct 5 ms 4180 KB Output is correct
42 Correct 13 ms 5332 KB Output is correct
43 Correct 13 ms 5364 KB Output is correct
44 Correct 3 ms 3832 KB Output is correct
45 Correct 284 ms 25332 KB Output is correct
46 Correct 129 ms 16204 KB Output is correct
47 Correct 310 ms 25368 KB Output is correct
48 Correct 311 ms 25332 KB Output is correct
49 Correct 78 ms 13656 KB Output is correct
50 Correct 251 ms 30048 KB Output is correct
51 Correct 282 ms 25356 KB Output is correct
52 Correct 80 ms 13596 KB Output is correct
53 Correct 61 ms 13680 KB Output is correct
54 Correct 20 ms 6604 KB Output is correct
55 Correct 280 ms 30048 KB Output is correct
56 Correct 52 ms 10776 KB Output is correct
57 Correct 72 ms 13692 KB Output is correct
58 Correct 98 ms 16068 KB Output is correct
59 Correct 47 ms 10840 KB Output is correct
60 Correct 45 ms 10856 KB Output is correct
61 Correct 126 ms 16076 KB Output is correct
62 Correct 87 ms 13468 KB Output is correct
63 Correct 167 ms 17800 KB Output is correct
64 Correct 47 ms 10804 KB Output is correct
65 Correct 221 ms 20912 KB Output is correct
66 Correct 77 ms 13464 KB Output is correct
67 Correct 157 ms 17780 KB Output is correct
68 Correct 180 ms 20112 KB Output is correct
69 Correct 196 ms 20816 KB Output is correct
70 Correct 68 ms 13472 KB Output is correct
71 Correct 200 ms 20240 KB Output is correct
72 Correct 134 ms 17232 KB Output is correct
73 Correct 213 ms 22948 KB Output is correct
74 Correct 75 ms 13436 KB Output is correct
75 Correct 64 ms 11296 KB Output is correct
76 Correct 128 ms 17156 KB Output is correct
77 Correct 231 ms 23008 KB Output is correct
78 Correct 87 ms 13388 KB Output is correct
79 Correct 70 ms 11328 KB Output is correct
80 Correct 28 ms 7536 KB Output is correct
81 Correct 90 ms 13324 KB Output is correct
82 Correct 167 ms 18732 KB Output is correct
83 Correct 28 ms 7528 KB Output is correct
84 Correct 152 ms 18736 KB Output is correct