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Submission #1115916

# Submission time Handle Problem Language Result Execution time Memory
1115916 2024-11-21T04:11:30 Z kustizus Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 332 ms 322336 KB 
#pragma GCC optimize("Ofast", "unroll-loops")
#include <bits/stdc++.h>
using namespace std;

// #define int long long
#define fi first
#define se second
#define all(v) v.begin(), v.end()
#define faster ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define read_input(file) if (fopen(file".inp", "r")) freopen(file".inp", "r", stdin);
#define file(file) freopen (file".inp", "r", stdin); freopen (file".out", "w", stdout);

const int N = 5e4;
int n, k;
bitset <N + 5> g[N + 5];
vector <vector<int>> c[11];

void solve(){
	cin >> n >> k;
	for (int i = 0; i < n; ++i){
		int d;
		cin >> d;
		while (d--){
			int x;
			cin >> x;
			g[min(i, x)][max(i, x)] = 1;
		}
		c[1].push_back({i});
	}
	bitset <N + 5> b;
	int pos = 1;
	while (true){
		for (vector <int> v : c[pos]){
			bool ok = false;
			for (int x : v){
				if (!ok){
					ok = true;
					b = g[x];
				}
				else b &= g[x]; 
			}
			for (int j = b._Find_first(); j < n; j = b._Find_next(j)){
				vector <int> nxt = v;
				nxt.push_back(j);
				c[pos + 1].push_back(nxt);
			}
		}
		++pos;
		if (c[pos].empty()) break;
	}
	--pos;
	cout << pos;
}

signed main(){
    faster;
    // file("file");
    read_input("file");
    int tt = 1;
    // cin >> tt;
    while (tt--){
        solve();
    }
}

Compilation message

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:10:61: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 | #define read_input(file) if (fopen(file".inp", "r")) freopen(file".inp", "r", stdin);
      |                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
politicaldevelopment.cpp:58:5: note: in expansion of macro 'read_input'
   58 |     read_input("file");
      |     ^~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 12 ms 31996 KB Output is correct
4 Correct 7 ms 11344 KB Output is correct
5 Correct 7 ms 13392 KB Output is correct
6 Correct 10 ms 31824 KB Output is correct
7 Correct 10 ms 31824 KB Output is correct
8 Correct 3 ms 848 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 3 ms 2896 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 12 ms 31996 KB Output is correct
4 Correct 7 ms 11344 KB Output is correct
5 Correct 7 ms 13392 KB Output is correct
6 Correct 10 ms 31824 KB Output is correct
7 Correct 10 ms 31824 KB Output is correct
8 Correct 3 ms 848 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 3 ms 2896 KB Output is correct
11 Correct 8 ms 9296 KB Output is correct
12 Correct 8 ms 11356 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 9 ms 19536 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 10 ms 31824 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 13 ms 31824 KB Output is correct
19 Correct 4 ms 848 KB Output is correct
20 Correct 8 ms 31812 KB Output is correct
21 Correct 9 ms 31568 KB Output is correct
22 Correct 3 ms 2896 KB Output is correct
23 Correct 12 ms 32188 KB Output is correct
24 Correct 3 ms 2896 KB Output is correct
25 Correct 12 ms 31824 KB Output is correct
26 Correct 12 ms 31824 KB Output is correct
27 Correct 12 ms 31824 KB Output is correct
28 Correct 12 ms 31824 KB Output is correct
29 Correct 11 ms 31824 KB Output is correct
30 Correct 14 ms 31824 KB Output is correct
31 Correct 12 ms 31824 KB Output is correct
32 Correct 13 ms 31824 KB Output is correct
33 Correct 12 ms 31824 KB Output is correct
34 Correct 11 ms 31824 KB Output is correct
35 Correct 6 ms 17232 KB Output is correct
36 Correct 6 ms 17400 KB Output is correct
37 Correct 6 ms 17400 KB Output is correct
38 Correct 4 ms 9036 KB Output is correct
39 Correct 4 ms 8784 KB Output is correct
40 Correct 15 ms 32140 KB Output is correct
41 Correct 4 ms 8784 KB Output is correct
42 Correct 14 ms 32140 KB Output is correct
43 Correct 16 ms 32280 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1016 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 275 ms 322212 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 280 ms 322336 KB Output is correct
14 Correct 1 ms 504 KB Output is correct
15 Correct 306 ms 322148 KB Output is correct
16 Correct 275 ms 322176 KB Output is correct
17 Correct 275 ms 322200 KB Output is correct
18 Correct 277 ms 322228 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 12 ms 31996 KB Output is correct
4 Correct 7 ms 11344 KB Output is correct
5 Correct 7 ms 13392 KB Output is correct
6 Correct 10 ms 31824 KB Output is correct
7 Correct 10 ms 31824 KB Output is correct
8 Correct 3 ms 848 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 3 ms 2896 KB Output is correct
11 Correct 8 ms 9296 KB Output is correct
12 Correct 8 ms 11356 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 9 ms 19536 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 10 ms 31824 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 13 ms 31824 KB Output is correct
19 Correct 4 ms 848 KB Output is correct
20 Correct 8 ms 31812 KB Output is correct
21 Correct 9 ms 31568 KB Output is correct
22 Correct 3 ms 2896 KB Output is correct
23 Correct 12 ms 32188 KB Output is correct
24 Correct 3 ms 2896 KB Output is correct
25 Correct 12 ms 31824 KB Output is correct
26 Correct 12 ms 31824 KB Output is correct
27 Correct 12 ms 31824 KB Output is correct
28 Correct 12 ms 31824 KB Output is correct
29 Correct 11 ms 31824 KB Output is correct
30 Correct 14 ms 31824 KB Output is correct
31 Correct 12 ms 31824 KB Output is correct
32 Correct 13 ms 31824 KB Output is correct
33 Correct 12 ms 31824 KB Output is correct
34 Correct 11 ms 31824 KB Output is correct
35 Correct 6 ms 17232 KB Output is correct
36 Correct 6 ms 17400 KB Output is correct
37 Correct 6 ms 17400 KB Output is correct
38 Correct 4 ms 9036 KB Output is correct
39 Correct 4 ms 8784 KB Output is correct
40 Correct 15 ms 32140 KB Output is correct
41 Correct 4 ms 8784 KB Output is correct
42 Correct 14 ms 32140 KB Output is correct
43 Correct 16 ms 32280 KB Output is correct
44 Correct 315 ms 48120 KB Output is correct
45 Correct 1 ms 336 KB Output is correct
46 Correct 15 ms 32140 KB Output is correct
47 Correct 24 ms 32908 KB Output is correct
48 Correct 14 ms 32284 KB Output is correct
49 Correct 23 ms 32892 KB Output is correct
50 Correct 23 ms 32868 KB Output is correct
51 Correct 41 ms 34164 KB Output is correct
52 Correct 9 ms 3152 KB Output is correct
53 Correct 35 ms 34164 KB Output is correct
54 Correct 50 ms 34572 KB Output is correct
55 Correct 11 ms 31996 KB Output is correct
56 Correct 6 ms 3152 KB Output is correct
57 Correct 3 ms 848 KB Output is correct
58 Correct 38 ms 29960 KB Output is correct
59 Correct 30 ms 32908 KB Output is correct
60 Correct 11 ms 31844 KB Output is correct
61 Correct 36 ms 32900 KB Output is correct
62 Correct 36 ms 32908 KB Output is correct
63 Correct 332 ms 48120 KB Output is correct
64 Correct 194 ms 40232 KB Output is correct
65 Correct 15 ms 32140 KB Output is correct
66 Correct 40 ms 32908 KB Output is correct
67 Correct 110 ms 36608 KB Output is correct
68 Correct 184 ms 40304 KB Output is correct
69 Correct 15 ms 32308 KB Output is correct
70 Correct 30 ms 33032 KB Output is correct
71 Correct 134 ms 36468 KB Output is correct
72 Correct 69 ms 34816 KB Output is correct
73 Correct 12 ms 31996 KB Output is correct
74 Correct 30 ms 33032 KB Output is correct
75 Correct 68 ms 34856 KB Output is correct
76 Correct 18 ms 32140 KB Output is correct
77 Correct 30 ms 33032 KB Output is correct
78 Correct 11 ms 31824 KB Output is correct
79 Correct 14 ms 17804 KB Output is correct
80 Correct 18 ms 32140 KB Output is correct
81 Correct 27 ms 33032 KB Output is correct
82 Correct 4 ms 8784 KB Output is correct
83 Correct 14 ms 17884 KB Output is correct
84 Correct 25 ms 32908 KB Output is correct
85 Correct 4 ms 8784 KB Output is correct
86 Correct 26 ms 32916 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 12 ms 31996 KB Output is correct
4 Correct 7 ms 11344 KB Output is correct
5 Correct 7 ms 13392 KB Output is correct
6 Correct 10 ms 31824 KB Output is correct
7 Correct 10 ms 31824 KB Output is correct
8 Correct 3 ms 848 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 3 ms 2896 KB Output is correct
11 Correct 8 ms 9296 KB Output is correct
12 Correct 8 ms 11356 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 9 ms 19536 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 10 ms 31824 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 13 ms 31824 KB Output is correct
19 Correct 4 ms 848 KB Output is correct
20 Correct 8 ms 31812 KB Output is correct
21 Correct 9 ms 31568 KB Output is correct
22 Correct 3 ms 2896 KB Output is correct
23 Correct 12 ms 32188 KB Output is correct
24 Correct 3 ms 2896 KB Output is correct
25 Correct 12 ms 31824 KB Output is correct
26 Correct 12 ms 31824 KB Output is correct
27 Correct 12 ms 31824 KB Output is correct
28 Correct 12 ms 31824 KB Output is correct
29 Correct 11 ms 31824 KB Output is correct
30 Correct 14 ms 31824 KB Output is correct
31 Correct 12 ms 31824 KB Output is correct
32 Correct 13 ms 31824 KB Output is correct
33 Correct 12 ms 31824 KB Output is correct
34 Correct 11 ms 31824 KB Output is correct
35 Correct 6 ms 17232 KB Output is correct
36 Correct 6 ms 17400 KB Output is correct
37 Correct 6 ms 17400 KB Output is correct
38 Correct 4 ms 9036 KB Output is correct
39 Correct 4 ms 8784 KB Output is correct
40 Correct 15 ms 32140 KB Output is correct
41 Correct 4 ms 8784 KB Output is correct
42 Correct 14 ms 32140 KB Output is correct
43 Correct 16 ms 32280 KB Output is correct
44 Correct 1 ms 504 KB Output is correct
45 Correct 232 ms 301244 KB Output is correct
46 Correct 160 ms 314620 KB Output is correct
47 Correct 217 ms 320224 KB Output is correct
48 Correct 227 ms 320248 KB Output is correct
49 Correct 90 ms 199376 KB Output is correct
50 Correct 223 ms 305024 KB Output is correct
51 Correct 208 ms 320248 KB Output is correct
52 Correct 103 ms 311804 KB Output is correct
53 Correct 83 ms 215548 KB Output is correct
54 Correct 20 ms 3588 KB Output is correct
55 Correct 214 ms 318392 KB Output is correct
56 Correct 85 ms 306428 KB Output is correct
57 Correct 107 ms 299776 KB Output is correct
58 Correct 218 ms 316792 KB Output is correct
59 Correct 85 ms 308476 KB Output is correct
60 Correct 84 ms 308312 KB Output is correct
61 Correct 215 ms 316920 KB Output is correct
62 Correct 132 ms 313084 KB Output is correct
63 Correct 154 ms 314620 KB Output is correct
64 Correct 94 ms 310524 KB Output is correct
65 Correct 207 ms 316028 KB Output is correct
66 Correct 141 ms 312968 KB Output is correct
67 Correct 172 ms 314620 KB Output is correct
68 Correct 183 ms 315128 KB Output is correct
69 Correct 205 ms 316148 KB Output is correct
70 Correct 122 ms 312068 KB Output is correct
71 Correct 196 ms 315128 KB Output is correct
72 Correct 149 ms 314620 KB Output is correct
73 Correct 202 ms 316152 KB Output is correct
74 Correct 120 ms 309756 KB Output is correct
75 Correct 85 ms 158472 KB Output is correct
76 Correct 148 ms 314620 KB Output is correct
77 Correct 204 ms 315920 KB Output is correct
78 Correct 96 ms 159228 KB Output is correct
79 Correct 81 ms 156424 KB Output is correct
80 Correct 43 ms 78476 KB Output is correct
81 Correct 96 ms 159228 KB Output is correct
82 Correct 180 ms 299320 KB Output is correct
83 Correct 39 ms 80512 KB Output is correct
84 Correct 171 ms 306692 KB Output is correct