oj.uz

Submission #162580

# Submission time Handle Problem Language Result Execution time Memory
162580 2019-11-08T20:11:33 Z MvC Political Development (BOI17_politicaldevelopment) C++11
100 / 100
 837 ms 29932 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef pair<int, int> pi;

vector<int> gph[50005];
set<pi> edgs;
bool vis[50005];
int deg[50005];
int n;

int main(){
	scanf("%d %*d",&n);
	priority_queue<pi, vector<pi>, greater<pi> > pq;
	for(int i=0; i<n; i++){
		scanf("%d",&deg[i]);
		gph[i].resize(deg[i]);
		pq.push(pi(deg[i], i));
		for(auto &j : gph[i]){
			scanf("%d",&j);
			edgs.insert(pi(i, j));
		}
	}
	int ans = 0;
	while(true){
		while(!pq.empty() && vis[pq.top().second]) pq.pop();
		if(pq.empty()) break;
		int w = pq.top().second;
		vis[w] = 1;
		deg[w] = 0;
		pq.pop();
		vector<int> v = {w};
		for(auto &j : gph[w]){
			if(!vis[j]){
				deg[j]--;
				pq.push(pi(deg[j], j));
				v.push_back(j);
			}
		}
		vis[w] = 1;
		bool adj[11][11] = {};
		for(int i=0; i<v.size(); i++){
			adj[i][i] = 1;
			for(int j=0; j<v.size(); j++){
				if(i != j && edgs.find(pi(v[i], v[j])) != edgs.end()){
					adj[i][j] = 1;
				}
			}
		}
		for(int i=1; i<(1<<v.size()); i+=2){
			bool ok = 1;
			int cnt = 0;
			for(int j=0; j<v.size(); j++){
				if((i >> j) % 2 == 0) continue;
				cnt++;
				for(int k=0; k<v.size(); k++){
					if((i >> k) % 2 == 0) continue;
					if(adj[j][k] == 0) ok = 0;
				}
			}
			if(ok) ans = max(ans, cnt);
		}
	}
	cout << ans;
}

Compilation message

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:43:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0; i<v.size(); i++){
                ~^~~~~~~~~
politicaldevelopment.cpp:45:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0; j<v.size(); j++){
                 ~^~~~~~~~~
politicaldevelopment.cpp:54:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0; j<v.size(); j++){
                 ~^~~~~~~~~
politicaldevelopment.cpp:57:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int k=0; k<v.size(); k++){
                  ~^~~~~~~~~
politicaldevelopment.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %*d",&n);
  ~~~~~^~~~~~~~~~~~~
politicaldevelopment.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&deg[i]);
   ~~~~~^~~~~~~~~~~~~~
politicaldevelopment.cpp:21:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&j);
    ~~~~~^~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1528 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 11 ms 2168 KB Output is correct
4 Correct 9 ms 2168 KB Output is correct
5 Correct 9 ms 2168 KB Output is correct
6 Correct 10 ms 2168 KB Output is correct
7 Correct 10 ms 2168 KB Output is correct
8 Correct 4 ms 1656 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 4 ms 1660 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1528 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 11 ms 2168 KB Output is correct
4 Correct 9 ms 2168 KB Output is correct
5 Correct 9 ms 2168 KB Output is correct
6 Correct 10 ms 2168 KB Output is correct
7 Correct 10 ms 2168 KB Output is correct
8 Correct 4 ms 1656 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 4 ms 1660 KB Output is correct
11 Correct 10 ms 2296 KB Output is correct
12 Correct 9 ms 2296 KB Output is correct
13 Correct 3 ms 1528 KB Output is correct
14 Correct 10 ms 2296 KB Output is correct
15 Correct 3 ms 1528 KB Output is correct
16 Correct 10 ms 2296 KB Output is correct
17 Correct 4 ms 1528 KB Output is correct
18 Correct 12 ms 2296 KB Output is correct
19 Correct 4 ms 1656 KB Output is correct
20 Correct 7 ms 2056 KB Output is correct
21 Correct 7 ms 2040 KB Output is correct
22 Correct 4 ms 1656 KB Output is correct
23 Correct 13 ms 2296 KB Output is correct
24 Correct 5 ms 1656 KB Output is correct
25 Correct 13 ms 2296 KB Output is correct
26 Correct 12 ms 2296 KB Output is correct
27 Correct 10 ms 2168 KB Output is correct
28 Correct 12 ms 2296 KB Output is correct
29 Correct 11 ms 2168 KB Output is correct
30 Correct 13 ms 2424 KB Output is correct
31 Correct 14 ms 2428 KB Output is correct
32 Correct 14 ms 2424 KB Output is correct
33 Correct 13 ms 2424 KB Output is correct
34 Correct 14 ms 2428 KB Output is correct
35 Correct 9 ms 1912 KB Output is correct
36 Correct 8 ms 1912 KB Output is correct
37 Correct 8 ms 1888 KB Output is correct
38 Correct 6 ms 1756 KB Output is correct
39 Correct 6 ms 1788 KB Output is correct
40 Correct 19 ms 2820 KB Output is correct
41 Correct 6 ms 1784 KB Output is correct
42 Correct 19 ms 2808 KB Output is correct
43 Correct 20 ms 2936 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1656 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 3 ms 1528 KB Output is correct
4 Correct 3 ms 1528 KB Output is correct
5 Correct 3 ms 1528 KB Output is correct
6 Correct 3 ms 1528 KB Output is correct
7 Correct 3 ms 1528 KB Output is correct
8 Correct 3 ms 1528 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 3 ms 1528 KB Output is correct
11 Correct 802 ms 28780 KB Output is correct
12 Correct 3 ms 1528 KB Output is correct
13 Correct 807 ms 29036 KB Output is correct
14 Correct 3 ms 1656 KB Output is correct
15 Correct 809 ms 29900 KB Output is correct
16 Correct 830 ms 29932 KB Output is correct
17 Correct 824 ms 29932 KB Output is correct
18 Correct 837 ms 29928 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1528 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 11 ms 2168 KB Output is correct
4 Correct 9 ms 2168 KB Output is correct
5 Correct 9 ms 2168 KB Output is correct
6 Correct 10 ms 2168 KB Output is correct
7 Correct 10 ms 2168 KB Output is correct
8 Correct 4 ms 1656 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 4 ms 1660 KB Output is correct
11 Correct 10 ms 2296 KB Output is correct
12 Correct 9 ms 2296 KB Output is correct
13 Correct 3 ms 1528 KB Output is correct
14 Correct 10 ms 2296 KB Output is correct
15 Correct 3 ms 1528 KB Output is correct
16 Correct 10 ms 2296 KB Output is correct
17 Correct 4 ms 1528 KB Output is correct
18 Correct 12 ms 2296 KB Output is correct
19 Correct 4 ms 1656 KB Output is correct
20 Correct 7 ms 2056 KB Output is correct
21 Correct 7 ms 2040 KB Output is correct
22 Correct 4 ms 1656 KB Output is correct
23 Correct 13 ms 2296 KB Output is correct
24 Correct 5 ms 1656 KB Output is correct
25 Correct 13 ms 2296 KB Output is correct
26 Correct 12 ms 2296 KB Output is correct
27 Correct 10 ms 2168 KB Output is correct
28 Correct 12 ms 2296 KB Output is correct
29 Correct 11 ms 2168 KB Output is correct
30 Correct 13 ms 2424 KB Output is correct
31 Correct 14 ms 2428 KB Output is correct
32 Correct 14 ms 2424 KB Output is correct
33 Correct 13 ms 2424 KB Output is correct
34 Correct 14 ms 2428 KB Output is correct
35 Correct 9 ms 1912 KB Output is correct
36 Correct 8 ms 1912 KB Output is correct
37 Correct 8 ms 1888 KB Output is correct
38 Correct 6 ms 1756 KB Output is correct
39 Correct 6 ms 1788 KB Output is correct
40 Correct 19 ms 2820 KB Output is correct
41 Correct 6 ms 1784 KB Output is correct
42 Correct 19 ms 2808 KB Output is correct
43 Correct 20 ms 2936 KB Output is correct
44 Correct 91 ms 3704 KB Output is correct
45 Correct 3 ms 1528 KB Output is correct
46 Correct 20 ms 2808 KB Output is correct
47 Correct 43 ms 3960 KB Output is correct
48 Correct 20 ms 2936 KB Output is correct
49 Correct 43 ms 4088 KB Output is correct
50 Correct 43 ms 4088 KB Output is correct
51 Correct 363 ms 6396 KB Output is correct
52 Correct 10 ms 2296 KB Output is correct
53 Correct 750 ms 7280 KB Output is correct
54 Correct 754 ms 7152 KB Output is correct
55 Correct 12 ms 2296 KB Output is correct
56 Correct 9 ms 2296 KB Output is correct
57 Correct 18 ms 1656 KB Output is correct
58 Correct 740 ms 7284 KB Output is correct
59 Correct 18 ms 2680 KB Output is correct
60 Correct 10 ms 2296 KB Output is correct
61 Correct 19 ms 2808 KB Output is correct
62 Correct 18 ms 2808 KB Output is correct
63 Correct 92 ms 3832 KB Output is correct
64 Correct 62 ms 3672 KB Output is correct
65 Correct 17 ms 2680 KB Output is correct
66 Correct 19 ms 2700 KB Output is correct
67 Correct 82 ms 4572 KB Output is correct
68 Correct 55 ms 3704 KB Output is correct
69 Correct 18 ms 2808 KB Output is correct
70 Correct 39 ms 3832 KB Output is correct
71 Correct 79 ms 4504 KB Output is correct
72 Correct 63 ms 4472 KB Output is correct
73 Correct 11 ms 2296 KB Output is correct
74 Correct 38 ms 3832 KB Output is correct
75 Correct 65 ms 4472 KB Output is correct
76 Correct 28 ms 3192 KB Output is correct
77 Correct 151 ms 5212 KB Output is correct
78 Correct 29 ms 2296 KB Output is correct
79 Correct 68 ms 3320 KB Output is correct
80 Correct 27 ms 3320 KB Output is correct
81 Correct 142 ms 5136 KB Output is correct
82 Correct 6 ms 1784 KB Output is correct
83 Correct 130 ms 3324 KB Output is correct
84 Correct 66 ms 4472 KB Output is correct
85 Correct 6 ms 1784 KB Output is correct
86 Correct 66 ms 4344 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1528 KB Output is correct
2 Correct 3 ms 1528 KB Output is correct
3 Correct 11 ms 2168 KB Output is correct
4 Correct 9 ms 2168 KB Output is correct
5 Correct 9 ms 2168 KB Output is correct
6 Correct 10 ms 2168 KB Output is correct
7 Correct 10 ms 2168 KB Output is correct
8 Correct 4 ms 1656 KB Output is correct
9 Correct 3 ms 1528 KB Output is correct
10 Correct 4 ms 1660 KB Output is correct
11 Correct 10 ms 2296 KB Output is correct
12 Correct 9 ms 2296 KB Output is correct
13 Correct 3 ms 1528 KB Output is correct
14 Correct 10 ms 2296 KB Output is correct
15 Correct 3 ms 1528 KB Output is correct
16 Correct 10 ms 2296 KB Output is correct
17 Correct 4 ms 1528 KB Output is correct
18 Correct 12 ms 2296 KB Output is correct
19 Correct 4 ms 1656 KB Output is correct
20 Correct 7 ms 2056 KB Output is correct
21 Correct 7 ms 2040 KB Output is correct
22 Correct 4 ms 1656 KB Output is correct
23 Correct 13 ms 2296 KB Output is correct
24 Correct 5 ms 1656 KB Output is correct
25 Correct 13 ms 2296 KB Output is correct
26 Correct 12 ms 2296 KB Output is correct
27 Correct 10 ms 2168 KB Output is correct
28 Correct 12 ms 2296 KB Output is correct
29 Correct 11 ms 2168 KB Output is correct
30 Correct 13 ms 2424 KB Output is correct
31 Correct 14 ms 2428 KB Output is correct
32 Correct 14 ms 2424 KB Output is correct
33 Correct 13 ms 2424 KB Output is correct
34 Correct 14 ms 2428 KB Output is correct
35 Correct 9 ms 1912 KB Output is correct
36 Correct 8 ms 1912 KB Output is correct
37 Correct 8 ms 1888 KB Output is correct
38 Correct 6 ms 1756 KB Output is correct
39 Correct 6 ms 1788 KB Output is correct
40 Correct 19 ms 2820 KB Output is correct
41 Correct 6 ms 1784 KB Output is correct
42 Correct 19 ms 2808 KB Output is correct
43 Correct 20 ms 2936 KB Output is correct
44 Correct 3 ms 1528 KB Output is correct
45 Correct 398 ms 20432 KB Output is correct
46 Correct 176 ms 12108 KB Output is correct
47 Correct 438 ms 21688 KB Output is correct
48 Correct 391 ms 21636 KB Output is correct
49 Correct 95 ms 9324 KB Output is correct
50 Correct 467 ms 27288 KB Output is correct
51 Correct 387 ms 21596 KB Output is correct
52 Correct 91 ms 9204 KB Output is correct
53 Correct 99 ms 9300 KB Output is correct
54 Correct 15 ms 2296 KB Output is correct
55 Correct 591 ms 27500 KB Output is correct
56 Correct 66 ms 6380 KB Output is correct
57 Correct 94 ms 9328 KB Output is correct
58 Correct 153 ms 11712 KB Output is correct
59 Correct 66 ms 6384 KB Output is correct
60 Correct 62 ms 6384 KB Output is correct
61 Correct 155 ms 11768 KB Output is correct
62 Correct 122 ms 9120 KB Output is correct
63 Correct 206 ms 13812 KB Output is correct
64 Correct 62 ms 6512 KB Output is correct
65 Correct 271 ms 16496 KB Output is correct
66 Correct 191 ms 9200 KB Output is correct
67 Correct 205 ms 13736 KB Output is correct
68 Correct 247 ms 15700 KB Output is correct
69 Correct 266 ms 16368 KB Output is correct
70 Correct 120 ms 9072 KB Output is correct
71 Correct 252 ms 15728 KB Output is correct
72 Correct 226 ms 13296 KB Output is correct
73 Correct 328 ms 18088 KB Output is correct
74 Correct 125 ms 9072 KB Output is correct
75 Correct 103 ms 8084 KB Output is correct
76 Correct 205 ms 13296 KB Output is correct
77 Correct 313 ms 18140 KB Output is correct
78 Correct 149 ms 9964 KB Output is correct
79 Correct 104 ms 8052 KB Output is correct
80 Correct 47 ms 4984 KB Output is correct
81 Correct 141 ms 9844 KB Output is correct
82 Correct 230 ms 15016 KB Output is correct
83 Correct 47 ms 4856 KB Output is correct
84 Correct 232 ms 15120 KB Output is correct