oj.uz

Submission #203799

# Submission time Handle Problem Language Result Execution time Memory
203799 2020-02-22T07:59:16 Z dndhk Amusement Park (CEOI19_amusementpark) C++14
19 / 100
 3000 ms 33544 KB 
#include <bits/stdc++.h>

#define pb push_back

using namespace std;

typedef pair<int, int> pii;
typedef long long ll;

const int MAX_N = 30;
const ll MOD = 998244353;

int N, M;
vector<int> gp[MAX_N+1];
vector<pii> edge;
int c[MAX_N+1], idx[MAX_N+1];
ll ans;

vector<ll> vt;

set<ll> st;
void chk(){
	for(int i=1; i<=N; i++)	while(!gp[i].empty())	gp[i].pop_back();
	ll now = 0;
	for(int i=0; i<M; i++){
		now<<=1LL;
		int u = edge[i].first, v = edge[i].second;
		if(idx[u]<idx[v]){
			int t = u; u = v; v = t;
			now|=1LL;
		}
		gp[u].pb(v);
	}
	vt.pb(now);
}

int per[MAX_N+1];

int main(){
	scanf("%d%d", &N, &M);
	for(int i=0; i<M; i++){
		int x, y; scanf("%d%d", &x, &y); edge.pb({x, y});
	}
	for(int i=0; i<N; i++){
		per[i] = i+1;
	}
	while(1){
		for(int i=0; i<N; i++)	idx[per[i]] = i;
		chk();
		if(!next_permutation(per, per+N))	break;
	}
	sort(vt.begin(), vt.end());
	vt.erase(unique(vt.begin(), vt.end()), vt.end());
	for(int i=0; i<vt.size(); i++){
		for(int j=0; j<M; j++){
			ans = (ans + (vt[i]%2LL)) % MOD;
			vt[i]/=2LL;
		}
	}
	cout<<ans;
	return 0;
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:54:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<vt.size(); i++){
               ~^~~~~~~~~~
amusementpark.cpp:40:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~
amusementpark.cpp:42:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x, y; scanf("%d%d", &x, &y); edge.pb({x, y});
             ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 6 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 6 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 6 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 6 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 6 ms 376 KB Output is correct
30 Correct 7 ms 428 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 10 ms 1008 KB Output is correct
33 Correct 11 ms 1012 KB Output is correct
34 Correct 14 ms 1012 KB Output is correct
35 Correct 17 ms 1012 KB Output is correct
36 Correct 21 ms 1012 KB Output is correct
37 Correct 25 ms 1012 KB Output is correct
38 Correct 30 ms 1012 KB Output is correct
39 Correct 51 ms 4580 KB Output is correct
40 Correct 70 ms 4580 KB Output is correct
41 Correct 86 ms 4580 KB Output is correct
42 Correct 106 ms 4580 KB Output is correct
43 Correct 126 ms 4580 KB Output is correct
44 Correct 151 ms 4580 KB Output is correct
45 Correct 186 ms 4628 KB Output is correct
46 Correct 226 ms 4580 KB Output is correct
47 Correct 283 ms 4580 KB Output is correct
48 Correct 67 ms 4712 KB Output is correct
49 Correct 99 ms 4572 KB Output is correct
50 Correct 98 ms 4580 KB Output is correct
51 Correct 99 ms 4584 KB Output is correct
52 Correct 511 ms 33340 KB Output is correct
53 Correct 724 ms 33212 KB Output is correct
54 Correct 944 ms 33468 KB Output is correct
55 Correct 1156 ms 33316 KB Output is correct
56 Correct 1424 ms 33540 KB Output is correct
57 Correct 1707 ms 33340 KB Output is correct
58 Correct 2074 ms 33348 KB Output is correct
59 Correct 2573 ms 33544 KB Output is correct
60 Execution timed out 3088 ms 33340 KB Time limit exceeded
61 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 6 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 6 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 6 ms 376 KB Output is correct
30 Correct 7 ms 428 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 10 ms 1008 KB Output is correct
33 Correct 11 ms 1012 KB Output is correct
34 Correct 14 ms 1012 KB Output is correct
35 Correct 17 ms 1012 KB Output is correct
36 Correct 21 ms 1012 KB Output is correct
37 Correct 25 ms 1012 KB Output is correct
38 Correct 30 ms 1012 KB Output is correct
39 Correct 51 ms 4580 KB Output is correct
40 Correct 70 ms 4580 KB Output is correct
41 Correct 86 ms 4580 KB Output is correct
42 Correct 106 ms 4580 KB Output is correct
43 Correct 126 ms 4580 KB Output is correct
44 Correct 151 ms 4580 KB Output is correct
45 Correct 186 ms 4628 KB Output is correct
46 Correct 226 ms 4580 KB Output is correct
47 Correct 283 ms 4580 KB Output is correct
48 Correct 67 ms 4712 KB Output is correct
49 Correct 99 ms 4572 KB Output is correct
50 Correct 98 ms 4580 KB Output is correct
51 Correct 99 ms 4584 KB Output is correct
52 Correct 511 ms 33340 KB Output is correct
53 Correct 724 ms 33212 KB Output is correct
54 Correct 944 ms 33468 KB Output is correct
55 Correct 1156 ms 33316 KB Output is correct
56 Correct 1424 ms 33540 KB Output is correct
57 Correct 1707 ms 33340 KB Output is correct
58 Correct 2074 ms 33348 KB Output is correct
59 Correct 2573 ms 33544 KB Output is correct
60 Execution timed out 3088 ms 33340 KB Time limit exceeded
61 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 6 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 6 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 6 ms 376 KB Output is correct
30 Correct 7 ms 428 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 10 ms 1008 KB Output is correct
33 Correct 11 ms 1012 KB Output is correct
34 Correct 14 ms 1012 KB Output is correct
35 Correct 17 ms 1012 KB Output is correct
36 Correct 21 ms 1012 KB Output is correct
37 Correct 25 ms 1012 KB Output is correct
38 Correct 30 ms 1012 KB Output is correct
39 Correct 51 ms 4580 KB Output is correct
40 Correct 70 ms 4580 KB Output is correct
41 Correct 86 ms 4580 KB Output is correct
42 Correct 106 ms 4580 KB Output is correct
43 Correct 126 ms 4580 KB Output is correct
44 Correct 151 ms 4580 KB Output is correct
45 Correct 186 ms 4628 KB Output is correct
46 Correct 226 ms 4580 KB Output is correct
47 Correct 283 ms 4580 KB Output is correct
48 Correct 67 ms 4712 KB Output is correct
49 Correct 99 ms 4572 KB Output is correct
50 Correct 98 ms 4580 KB Output is correct
51 Correct 99 ms 4584 KB Output is correct
52 Correct 511 ms 33340 KB Output is correct
53 Correct 724 ms 33212 KB Output is correct
54 Correct 944 ms 33468 KB Output is correct
55 Correct 1156 ms 33316 KB Output is correct
56 Correct 1424 ms 33540 KB Output is correct
57 Correct 1707 ms 33340 KB Output is correct
58 Correct 2074 ms 33348 KB Output is correct
59 Correct 2573 ms 33544 KB Output is correct
60 Execution timed out 3088 ms 33340 KB Time limit exceeded
61 Halted 0 ms 0 KB -