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Submission #946804

# Submission time Handle Problem Language Result Execution time Memory
946804 2024-03-15T05:19:56 Z berr Cubeword (CEOI19_cubeword) C++17
100 / 100
 139 ms 19136 KB 
#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2")

#include <bits/stdc++.h>
using namespace std;
#define int long long

map<char, int> mp;
int c[11][62][62][62];
int aa[11][63][63];

const int mod = 998244353;

inline int mul(int x, int y){
	if((x*y)>mod) return x*y%mod;
	return x*y;
}

void sum(int &a){
	if(a>=mod) a-=mod;
}

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int cnt=0;

	for(int i='a'; i<='z'; i++) mp[i]=cnt++;
	for(int i='A'; i<='Z'; i++)	mp[i]=cnt++;
	for(int i='0'; i<='9'; i++)	mp[i]=cnt++;
	
	int n; cin>>n;
	vector<string> s(n), x;
		
	for(auto &i: s){
		cin >> i;
		string x = i;
		reverse(x.begin(), x.end());
		if(x<i) i=x;
	}

	sort(s.begin(), s.end());
	for(int i=0; i<n; i++){
		if(i==0||s[i]!=s[i-1]) x.push_back(s[i]);
	}

	s=x;
	n = s.size();	

	for(int i=0; i<n; i++){
		string x=s[i];
		reverse(x.begin(), x.end());
		if(x==s[i]) aa[x.size()][mp[x[0]]][mp[x.back()]]++;
		else aa[x.size()][mp[x[0]]][mp[x.back()]]++, aa[x.size()][mp[x.back()]][mp[x[0]]]++;
	}
	for(int i=3; i<=10; i++){
		for(int j=0; j<62; j++){
			for(int a=0; a<62; a++){
				for(int b=a; b<62; b++){
					for(int cc=b; cc<62; cc++){
						c[i][a][b][cc] += mul(aa[i][j][a], mul(aa[i][j][b], aa[i][j][cc]));
						sum(c[i][a][b][cc]);
					}
				}
			}
		}
	}

	int ans=0;
	for(int i=3; i<=10; i++){
		for(int a=0; a<62; a++){
			for(int b=a; b<62; b++){
				for(int cc=b; cc<62; cc++){
					for(int d=cc; d<62; d++){

					int val = 0;
					if(d==a) val = 1;
					else if(d==b) val=4;
					else if(cc==a) val= 4;
					else if(b==a && d==cc) val=6;
					else if(d==cc || b==a) val=12;
					else if(cc==b) val = 12;
					else val=24;

					ans += mul(val, mul(mul(c[i][a][b][cc], c[i][a][b][d]), mul(c[i][b][cc][d], c[i][a][cc][d])));
					sum(ans);
				}
			}
			}
		}

	}

	cout<<ans;

}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 17860 KB Output is correct
2 Correct 103 ms 18364 KB Output is correct
3 Correct 101 ms 17768 KB Output is correct
4 Correct 102 ms 17796 KB Output is correct
5 Correct 108 ms 17856 KB Output is correct
6 Correct 102 ms 18368 KB Output is correct
7 Correct 101 ms 17852 KB Output is correct
8 Correct 102 ms 17856 KB Output is correct
9 Correct 110 ms 18880 KB Output is correct
10 Correct 108 ms 18080 KB Output is correct
11 Correct 102 ms 17852 KB Output is correct
12 Correct 103 ms 17856 KB Output is correct
13 Correct 119 ms 17940 KB Output is correct
14 Correct 101 ms 18248 KB Output is correct
15 Correct 103 ms 17856 KB Output is correct
16 Correct 105 ms 17860 KB Output is correct
17 Correct 101 ms 17796 KB Output is correct
18 Correct 102 ms 17856 KB Output is correct
19 Correct 105 ms 17940 KB Output is correct
20 Correct 106 ms 18292 KB Output is correct
21 Correct 102 ms 17816 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 17860 KB Output is correct
2 Correct 103 ms 18364 KB Output is correct
3 Correct 101 ms 17768 KB Output is correct
4 Correct 102 ms 17796 KB Output is correct
5 Correct 108 ms 17856 KB Output is correct
6 Correct 102 ms 18368 KB Output is correct
7 Correct 101 ms 17852 KB Output is correct
8 Correct 102 ms 17856 KB Output is correct
9 Correct 110 ms 18880 KB Output is correct
10 Correct 108 ms 18080 KB Output is correct
11 Correct 102 ms 17852 KB Output is correct
12 Correct 103 ms 17856 KB Output is correct
13 Correct 119 ms 17940 KB Output is correct
14 Correct 101 ms 18248 KB Output is correct
15 Correct 103 ms 17856 KB Output is correct
16 Correct 105 ms 17860 KB Output is correct
17 Correct 101 ms 17796 KB Output is correct
18 Correct 102 ms 17856 KB Output is correct
19 Correct 105 ms 17940 KB Output is correct
20 Correct 106 ms 18292 KB Output is correct
21 Correct 102 ms 17816 KB Output is correct
22 Correct 104 ms 18108 KB Output is correct
23 Correct 102 ms 18624 KB Output is correct
24 Correct 103 ms 18824 KB Output is correct
25 Correct 108 ms 17956 KB Output is correct
26 Correct 103 ms 17856 KB Output is correct
27 Correct 106 ms 18568 KB Output is correct
28 Correct 101 ms 18112 KB Output is correct
29 Correct 100 ms 18112 KB Output is correct
30 Correct 108 ms 18816 KB Output is correct
31 Correct 103 ms 18060 KB Output is correct
32 Correct 107 ms 18288 KB Output is correct
33 Correct 107 ms 18056 KB Output is correct
34 Correct 119 ms 19080 KB Output is correct
35 Correct 104 ms 18108 KB Output is correct
36 Correct 103 ms 18620 KB Output is correct
37 Correct 103 ms 18368 KB Output is correct
38 Correct 111 ms 18108 KB Output is correct
39 Correct 100 ms 17856 KB Output is correct
40 Correct 107 ms 17848 KB Output is correct
41 Correct 102 ms 18328 KB Output is correct
42 Correct 109 ms 18800 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 17860 KB Output is correct
2 Correct 103 ms 18364 KB Output is correct
3 Correct 101 ms 17768 KB Output is correct
4 Correct 102 ms 17796 KB Output is correct
5 Correct 108 ms 17856 KB Output is correct
6 Correct 102 ms 18368 KB Output is correct
7 Correct 101 ms 17852 KB Output is correct
8 Correct 102 ms 17856 KB Output is correct
9 Correct 110 ms 18880 KB Output is correct
10 Correct 108 ms 18080 KB Output is correct
11 Correct 102 ms 17852 KB Output is correct
12 Correct 103 ms 17856 KB Output is correct
13 Correct 119 ms 17940 KB Output is correct
14 Correct 101 ms 18248 KB Output is correct
15 Correct 103 ms 17856 KB Output is correct
16 Correct 105 ms 17860 KB Output is correct
17 Correct 101 ms 17796 KB Output is correct
18 Correct 102 ms 17856 KB Output is correct
19 Correct 105 ms 17940 KB Output is correct
20 Correct 106 ms 18292 KB Output is correct
21 Correct 102 ms 17816 KB Output is correct
22 Correct 104 ms 18108 KB Output is correct
23 Correct 102 ms 18624 KB Output is correct
24 Correct 103 ms 18824 KB Output is correct
25 Correct 108 ms 17956 KB Output is correct
26 Correct 103 ms 17856 KB Output is correct
27 Correct 106 ms 18568 KB Output is correct
28 Correct 101 ms 18112 KB Output is correct
29 Correct 100 ms 18112 KB Output is correct
30 Correct 108 ms 18816 KB Output is correct
31 Correct 103 ms 18060 KB Output is correct
32 Correct 107 ms 18288 KB Output is correct
33 Correct 107 ms 18056 KB Output is correct
34 Correct 119 ms 19080 KB Output is correct
35 Correct 104 ms 18108 KB Output is correct
36 Correct 103 ms 18620 KB Output is correct
37 Correct 103 ms 18368 KB Output is correct
38 Correct 111 ms 18108 KB Output is correct
39 Correct 100 ms 17856 KB Output is correct
40 Correct 107 ms 17848 KB Output is correct
41 Correct 102 ms 18328 KB Output is correct
42 Correct 109 ms 18800 KB Output is correct
43 Correct 108 ms 18884 KB Output is correct
44 Correct 105 ms 19068 KB Output is correct
45 Correct 108 ms 18620 KB Output is correct
46 Correct 107 ms 19136 KB Output is correct
47 Correct 106 ms 18008 KB Output is correct
48 Correct 108 ms 18756 KB Output is correct
49 Correct 106 ms 18112 KB Output is correct
50 Correct 109 ms 19080 KB Output is correct
51 Correct 109 ms 18108 KB Output is correct
52 Correct 106 ms 18144 KB Output is correct
53 Correct 108 ms 18628 KB Output is correct
54 Correct 113 ms 18888 KB Output is correct
55 Correct 105 ms 18060 KB Output is correct
56 Correct 105 ms 18112 KB Output is correct
57 Correct 108 ms 18588 KB Output is correct
58 Correct 124 ms 18812 KB Output is correct
59 Correct 118 ms 18268 KB Output is correct
60 Correct 107 ms 18108 KB Output is correct
61 Correct 114 ms 18012 KB Output is correct
62 Correct 114 ms 18108 KB Output is correct
63 Correct 105 ms 18112 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 17860 KB Output is correct
2 Correct 103 ms 18364 KB Output is correct
3 Correct 101 ms 17768 KB Output is correct
4 Correct 102 ms 17796 KB Output is correct
5 Correct 108 ms 17856 KB Output is correct
6 Correct 102 ms 18368 KB Output is correct
7 Correct 101 ms 17852 KB Output is correct
8 Correct 102 ms 17856 KB Output is correct
9 Correct 110 ms 18880 KB Output is correct
10 Correct 108 ms 18080 KB Output is correct
11 Correct 102 ms 17852 KB Output is correct
12 Correct 103 ms 17856 KB Output is correct
13 Correct 119 ms 17940 KB Output is correct
14 Correct 101 ms 18248 KB Output is correct
15 Correct 103 ms 17856 KB Output is correct
16 Correct 105 ms 17860 KB Output is correct
17 Correct 101 ms 17796 KB Output is correct
18 Correct 102 ms 17856 KB Output is correct
19 Correct 105 ms 17940 KB Output is correct
20 Correct 106 ms 18292 KB Output is correct
21 Correct 102 ms 17816 KB Output is correct
22 Correct 104 ms 18108 KB Output is correct
23 Correct 102 ms 18624 KB Output is correct
24 Correct 103 ms 18824 KB Output is correct
25 Correct 108 ms 17956 KB Output is correct
26 Correct 103 ms 17856 KB Output is correct
27 Correct 106 ms 18568 KB Output is correct
28 Correct 101 ms 18112 KB Output is correct
29 Correct 100 ms 18112 KB Output is correct
30 Correct 108 ms 18816 KB Output is correct
31 Correct 103 ms 18060 KB Output is correct
32 Correct 107 ms 18288 KB Output is correct
33 Correct 107 ms 18056 KB Output is correct
34 Correct 119 ms 19080 KB Output is correct
35 Correct 104 ms 18108 KB Output is correct
36 Correct 103 ms 18620 KB Output is correct
37 Correct 103 ms 18368 KB Output is correct
38 Correct 111 ms 18108 KB Output is correct
39 Correct 100 ms 17856 KB Output is correct
40 Correct 107 ms 17848 KB Output is correct
41 Correct 102 ms 18328 KB Output is correct
42 Correct 109 ms 18800 KB Output is correct
43 Correct 108 ms 18884 KB Output is correct
44 Correct 105 ms 19068 KB Output is correct
45 Correct 108 ms 18620 KB Output is correct
46 Correct 107 ms 19136 KB Output is correct
47 Correct 106 ms 18008 KB Output is correct
48 Correct 108 ms 18756 KB Output is correct
49 Correct 106 ms 18112 KB Output is correct
50 Correct 109 ms 19080 KB Output is correct
51 Correct 109 ms 18108 KB Output is correct
52 Correct 106 ms 18144 KB Output is correct
53 Correct 108 ms 18628 KB Output is correct
54 Correct 113 ms 18888 KB Output is correct
55 Correct 105 ms 18060 KB Output is correct
56 Correct 105 ms 18112 KB Output is correct
57 Correct 108 ms 18588 KB Output is correct
58 Correct 124 ms 18812 KB Output is correct
59 Correct 118 ms 18268 KB Output is correct
60 Correct 107 ms 18108 KB Output is correct
61 Correct 114 ms 18012 KB Output is correct
62 Correct 114 ms 18108 KB Output is correct
63 Correct 105 ms 18112 KB Output is correct
64 Correct 122 ms 18088 KB Output is correct
65 Correct 117 ms 18888 KB Output is correct
66 Correct 129 ms 18812 KB Output is correct
67 Correct 118 ms 19100 KB Output is correct
68 Correct 126 ms 18220 KB Output is correct
69 Correct 121 ms 18816 KB Output is correct
70 Correct 121 ms 18404 KB Output is correct
71 Correct 119 ms 18288 KB Output is correct
72 Correct 120 ms 18808 KB Output is correct
73 Correct 120 ms 18204 KB Output is correct
74 Correct 137 ms 18112 KB Output is correct
75 Correct 123 ms 18052 KB Output is correct
76 Correct 117 ms 18104 KB Output is correct
77 Correct 117 ms 19044 KB Output is correct
78 Correct 117 ms 18108 KB Output is correct
79 Correct 126 ms 18108 KB Output is correct
80 Correct 117 ms 18368 KB Output is correct
81 Correct 118 ms 18112 KB Output is correct
82 Correct 121 ms 18112 KB Output is correct
83 Correct 139 ms 18148 KB Output is correct
84 Correct 119 ms 18364 KB Output is correct