oj.uz

Submission #909106

# Submission time Handle Problem Language Result Execution time Memory
909106 2024-01-17T05:20:20 Z lighton Amusement Park (CEOI19_amusementpark) C++17
19 / 100
 182 ms 139860 KB 
#include<bits/stdc++.h>
#define forf(i,a,b) for(int i = a; i<=b; i++)
#define all(v) v.begin(),v.end()
using namespace std;
typedef long long ll;
int N,M;
pair<int,int> edge[100001];
ll mod1 = 10000007;
ll mod2 = 10000009;
ll mod3 = 10000011;
ll mod4 = 10000013;
ll mod = 998244353;
vector<int> perm;
//unordered_set<ll> s1,s2;
int chk1[10000007];
int chk2[10000009];
int chk3[10000011];
int chk4[10000013];
int main(){
    scanf("%d %d" , &N , &M);
    forf(i,1,M){
        scanf("%d %d" , &edge[i].first,&edge[i].second);
    }
    forf(i,1,N) perm.push_back(i);
    ll ans = 0;
    do{
        ll hash1 = 0;  ll hash2 = 0; ll hash3 = 0; ll hash4 = 0;
        ll cnt = 0;
        forf(i,1,M){
            hash1 *= 2; hash2 *= 2; hash3 *= 2; hash4 *= 2;
            if(perm[edge[i].first-1] > perm[edge[i].second-1]){
                hash1++; hash2++; hash3++; hash4++;
                cnt++;
            }
            hash1 %= mod1;hash2 %= mod2;hash3 %= mod3;hash4 %=mod4;
        }
        if(chk1[hash1] == 0 || chk2[hash2] == 0 || chk3[hash3] == 0 || chk4[hash4] == 0){
            ans += cnt;
            ans %= mod;
        }
        chk1[hash1] = 1; chk2[hash2] = 1; chk3[hash3] = 1; chk4[hash4] = 1;
    } while((next_permutation(all(perm))));
    printf("%lld" , ans);
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%d %d" , &N , &M);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
amusementpark.cpp:22:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         scanf("%d %d" , &edge[i].first,&edge[i].second);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4696 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4696 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 2 ms 4696 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 2 ms 4444 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 2 ms 6744 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4696 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 2 ms 4696 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 2 ms 4444 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 2 ms 6744 KB Output is correct
25 Correct 1 ms 4596 KB Output is correct
26 Correct 2 ms 4444 KB Output is correct
27 Correct 3 ms 4696 KB Output is correct
28 Correct 2 ms 4444 KB Output is correct
29 Correct 4 ms 6748 KB Output is correct
30 Correct 4 ms 9420 KB Output is correct
31 Correct 8 ms 31800 KB Output is correct
32 Correct 4 ms 4440 KB Output is correct
33 Correct 7 ms 4444 KB Output is correct
34 Correct 10 ms 4440 KB Output is correct
35 Correct 14 ms 9052 KB Output is correct
36 Correct 20 ms 20060 KB Output is correct
37 Correct 44 ms 129872 KB Output is correct
38 Correct 49 ms 139860 KB Output is correct
39 Correct 26 ms 4440 KB Output is correct
40 Correct 53 ms 4444 KB Output is correct
41 Correct 77 ms 4444 KB Output is correct
42 Correct 104 ms 8972 KB Output is correct
43 Correct 133 ms 17616 KB Output is correct
44 Incorrect 182 ms 133628 KB Output isn't correct
45 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4696 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 2 ms 4696 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 2 ms 4444 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 2 ms 6744 KB Output is correct
25 Correct 1 ms 4596 KB Output is correct
26 Correct 2 ms 4444 KB Output is correct
27 Correct 3 ms 4696 KB Output is correct
28 Correct 2 ms 4444 KB Output is correct
29 Correct 4 ms 6748 KB Output is correct
30 Correct 4 ms 9420 KB Output is correct
31 Correct 8 ms 31800 KB Output is correct
32 Correct 4 ms 4440 KB Output is correct
33 Correct 7 ms 4444 KB Output is correct
34 Correct 10 ms 4440 KB Output is correct
35 Correct 14 ms 9052 KB Output is correct
36 Correct 20 ms 20060 KB Output is correct
37 Correct 44 ms 129872 KB Output is correct
38 Correct 49 ms 139860 KB Output is correct
39 Correct 26 ms 4440 KB Output is correct
40 Correct 53 ms 4444 KB Output is correct
41 Correct 77 ms 4444 KB Output is correct
42 Correct 104 ms 8972 KB Output is correct
43 Correct 133 ms 17616 KB Output is correct
44 Incorrect 182 ms 133628 KB Output isn't correct
45 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4696 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 2 ms 4696 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 2 ms 4444 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 2 ms 6744 KB Output is correct
25 Correct 1 ms 4596 KB Output is correct
26 Correct 2 ms 4444 KB Output is correct
27 Correct 3 ms 4696 KB Output is correct
28 Correct 2 ms 4444 KB Output is correct
29 Correct 4 ms 6748 KB Output is correct
30 Correct 4 ms 9420 KB Output is correct
31 Correct 8 ms 31800 KB Output is correct
32 Correct 4 ms 4440 KB Output is correct
33 Correct 7 ms 4444 KB Output is correct
34 Correct 10 ms 4440 KB Output is correct
35 Correct 14 ms 9052 KB Output is correct
36 Correct 20 ms 20060 KB Output is correct
37 Correct 44 ms 129872 KB Output is correct
38 Correct 49 ms 139860 KB Output is correct
39 Correct 26 ms 4440 KB Output is correct
40 Correct 53 ms 4444 KB Output is correct
41 Correct 77 ms 4444 KB Output is correct
42 Correct 104 ms 8972 KB Output is correct
43 Correct 133 ms 17616 KB Output is correct
44 Incorrect 182 ms 133628 KB Output isn't correct
45 Halted 0 ms 0 KB -