oj.uz

Submission #909098

# Submission time Handle Problem Language Result Execution time Memory
909098 2024-01-17T05:16:15 Z lighton Amusement Park (CEOI19_amusementpark) C++17
19 / 100
 187 ms 227652 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 = 20000009;
ll mod3 = 30000011;
ll mod = 998244353;
vector<int> perm;
//unordered_set<ll> s1,s2;
int chk1[10000007];
int chk2[20000009];
int chk3[30000011];
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 cnt = 0;
        forf(i,1,M){
            hash1 *= 2; hash2 *= 2; hash3 *= 2;
            if(perm[edge[i].first-1] > perm[edge[i].second-1]){
                hash1++; hash2++; hash3++;
                cnt++;
            }
            hash1 %= mod1;hash2 %= mod2;hash3 %= mod3;
        }
        if(chk1[hash1] == 0 || chk2[hash2] == 0 || chk3[hash3] == 0){
            ans += cnt;
            ans %= mod;
        }
        chk1[hash1] = 1; chk2[hash2] = 1; chk3[hash3] = 1;
    } while((next_permutation(all(perm))));
    printf("%lld" , ans);
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     scanf("%d %d" , &N , &M);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
amusementpark.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         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 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 2 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 2 ms 2396 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 6 ms 21592 KB Output is correct
32 Correct 3 ms 2392 KB Output is correct
33 Correct 5 ms 2392 KB Output is correct
34 Correct 7 ms 2396 KB Output is correct
35 Correct 10 ms 4956 KB Output is correct
36 Correct 14 ms 13916 KB Output is correct
37 Correct 39 ms 144296 KB Output is correct
38 Correct 55 ms 218196 KB Output is correct
39 Correct 19 ms 2396 KB Output is correct
40 Correct 38 ms 2396 KB Output is correct
41 Correct 58 ms 2396 KB Output is correct
42 Correct 76 ms 4888 KB Output is correct
43 Correct 98 ms 13392 KB Output is correct
44 Correct 142 ms 149336 KB Output is correct
45 Incorrect 187 ms 227652 KB Output isn't correct
46 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 2 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 2 ms 2396 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 6 ms 21592 KB Output is correct
32 Correct 3 ms 2392 KB Output is correct
33 Correct 5 ms 2392 KB Output is correct
34 Correct 7 ms 2396 KB Output is correct
35 Correct 10 ms 4956 KB Output is correct
36 Correct 14 ms 13916 KB Output is correct
37 Correct 39 ms 144296 KB Output is correct
38 Correct 55 ms 218196 KB Output is correct
39 Correct 19 ms 2396 KB Output is correct
40 Correct 38 ms 2396 KB Output is correct
41 Correct 58 ms 2396 KB Output is correct
42 Correct 76 ms 4888 KB Output is correct
43 Correct 98 ms 13392 KB Output is correct
44 Correct 142 ms 149336 KB Output is correct
45 Incorrect 187 ms 227652 KB Output isn't correct
46 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 2 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 2 ms 2396 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 6 ms 21592 KB Output is correct
32 Correct 3 ms 2392 KB Output is correct
33 Correct 5 ms 2392 KB Output is correct
34 Correct 7 ms 2396 KB Output is correct
35 Correct 10 ms 4956 KB Output is correct
36 Correct 14 ms 13916 KB Output is correct
37 Correct 39 ms 144296 KB Output is correct
38 Correct 55 ms 218196 KB Output is correct
39 Correct 19 ms 2396 KB Output is correct
40 Correct 38 ms 2396 KB Output is correct
41 Correct 58 ms 2396 KB Output is correct
42 Correct 76 ms 4888 KB Output is correct
43 Correct 98 ms 13392 KB Output is correct
44 Correct 142 ms 149336 KB Output is correct
45 Incorrect 187 ms 227652 KB Output isn't correct
46 Halted 0 ms 0 KB -