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Submission #946800

# Submission time Handle Problem Language Result Execution time Memory
946800 2024-03-15T05:16:40 Z berr Cubeword (CEOI19_cubeword) C++17
100 / 100
 141 ms 19832 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;

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 108 ms 19112 KB Output is correct
2 Correct 107 ms 18628 KB Output is correct
3 Correct 109 ms 18576 KB Output is correct
4 Correct 116 ms 18800 KB Output is correct
5 Correct 111 ms 18548 KB Output is correct
6 Correct 105 ms 18620 KB Output is correct
7 Correct 113 ms 19832 KB Output is correct
8 Correct 106 ms 18620 KB Output is correct
9 Correct 106 ms 18564 KB Output is correct
10 Correct 109 ms 19128 KB Output is correct
11 Correct 108 ms 18624 KB Output is correct
12 Correct 119 ms 19572 KB Output is correct
13 Correct 109 ms 19076 KB Output is correct
14 Correct 118 ms 19788 KB Output is correct
15 Correct 107 ms 18624 KB Output is correct
16 Correct 118 ms 19076 KB Output is correct
17 Correct 109 ms 18624 KB Output is correct
18 Correct 108 ms 18588 KB Output is correct
19 Correct 107 ms 18620 KB Output is correct
20 Correct 126 ms 19576 KB Output is correct
21 Correct 109 ms 18620 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 19112 KB Output is correct
2 Correct 107 ms 18628 KB Output is correct
3 Correct 109 ms 18576 KB Output is correct
4 Correct 116 ms 18800 KB Output is correct
5 Correct 111 ms 18548 KB Output is correct
6 Correct 105 ms 18620 KB Output is correct
7 Correct 113 ms 19832 KB Output is correct
8 Correct 106 ms 18620 KB Output is correct
9 Correct 106 ms 18564 KB Output is correct
10 Correct 109 ms 19128 KB Output is correct
11 Correct 108 ms 18624 KB Output is correct
12 Correct 119 ms 19572 KB Output is correct
13 Correct 109 ms 19076 KB Output is correct
14 Correct 118 ms 19788 KB Output is correct
15 Correct 107 ms 18624 KB Output is correct
16 Correct 118 ms 19076 KB Output is correct
17 Correct 109 ms 18624 KB Output is correct
18 Correct 108 ms 18588 KB Output is correct
19 Correct 107 ms 18620 KB Output is correct
20 Correct 126 ms 19576 KB Output is correct
21 Correct 109 ms 18620 KB Output is correct
22 Correct 107 ms 18880 KB Output is correct
23 Correct 107 ms 19648 KB Output is correct
24 Correct 111 ms 18804 KB Output is correct
25 Correct 124 ms 18872 KB Output is correct
26 Correct 113 ms 18920 KB Output is correct
27 Correct 106 ms 18628 KB Output is correct
28 Correct 112 ms 19132 KB Output is correct
29 Correct 108 ms 18952 KB Output is correct
30 Correct 109 ms 18808 KB Output is correct
31 Correct 113 ms 18728 KB Output is correct
32 Correct 111 ms 19132 KB Output is correct
33 Correct 110 ms 18808 KB Output is correct
34 Correct 111 ms 18664 KB Output is correct
35 Correct 128 ms 19136 KB Output is correct
36 Correct 111 ms 19648 KB Output is correct
37 Correct 111 ms 19824 KB Output is correct
38 Correct 107 ms 18856 KB Output is correct
39 Correct 108 ms 19292 KB Output is correct
40 Correct 107 ms 18112 KB Output is correct
41 Correct 108 ms 18208 KB Output is correct
42 Correct 107 ms 17852 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 19112 KB Output is correct
2 Correct 107 ms 18628 KB Output is correct
3 Correct 109 ms 18576 KB Output is correct
4 Correct 116 ms 18800 KB Output is correct
5 Correct 111 ms 18548 KB Output is correct
6 Correct 105 ms 18620 KB Output is correct
7 Correct 113 ms 19832 KB Output is correct
8 Correct 106 ms 18620 KB Output is correct
9 Correct 106 ms 18564 KB Output is correct
10 Correct 109 ms 19128 KB Output is correct
11 Correct 108 ms 18624 KB Output is correct
12 Correct 119 ms 19572 KB Output is correct
13 Correct 109 ms 19076 KB Output is correct
14 Correct 118 ms 19788 KB Output is correct
15 Correct 107 ms 18624 KB Output is correct
16 Correct 118 ms 19076 KB Output is correct
17 Correct 109 ms 18624 KB Output is correct
18 Correct 108 ms 18588 KB Output is correct
19 Correct 107 ms 18620 KB Output is correct
20 Correct 126 ms 19576 KB Output is correct
21 Correct 109 ms 18620 KB Output is correct
22 Correct 107 ms 18880 KB Output is correct
23 Correct 107 ms 19648 KB Output is correct
24 Correct 111 ms 18804 KB Output is correct
25 Correct 124 ms 18872 KB Output is correct
26 Correct 113 ms 18920 KB Output is correct
27 Correct 106 ms 18628 KB Output is correct
28 Correct 112 ms 19132 KB Output is correct
29 Correct 108 ms 18952 KB Output is correct
30 Correct 109 ms 18808 KB Output is correct
31 Correct 113 ms 18728 KB Output is correct
32 Correct 111 ms 19132 KB Output is correct
33 Correct 110 ms 18808 KB Output is correct
34 Correct 111 ms 18664 KB Output is correct
35 Correct 128 ms 19136 KB Output is correct
36 Correct 111 ms 19648 KB Output is correct
37 Correct 111 ms 19824 KB Output is correct
38 Correct 107 ms 18856 KB Output is correct
39 Correct 108 ms 19292 KB Output is correct
40 Correct 107 ms 18112 KB Output is correct
41 Correct 108 ms 18208 KB Output is correct
42 Correct 107 ms 17852 KB Output is correct
43 Correct 127 ms 18020 KB Output is correct
44 Correct 117 ms 18552 KB Output is correct
45 Correct 114 ms 18112 KB Output is correct
46 Correct 124 ms 18112 KB Output is correct
47 Correct 113 ms 18032 KB Output is correct
48 Correct 118 ms 18332 KB Output is correct
49 Correct 141 ms 19136 KB Output is correct
50 Correct 111 ms 18052 KB Output is correct
51 Correct 113 ms 18880 KB Output is correct
52 Correct 110 ms 19132 KB Output is correct
53 Correct 112 ms 18128 KB Output is correct
54 Correct 113 ms 19072 KB Output is correct
55 Correct 112 ms 18160 KB Output is correct
56 Correct 120 ms 19080 KB Output is correct
57 Correct 111 ms 18728 KB Output is correct
58 Correct 113 ms 19112 KB Output is correct
59 Correct 115 ms 18112 KB Output is correct
60 Correct 128 ms 18820 KB Output is correct
61 Correct 111 ms 19084 KB Output is correct
62 Correct 119 ms 18880 KB Output is correct
63 Correct 111 ms 18108 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 19112 KB Output is correct
2 Correct 107 ms 18628 KB Output is correct
3 Correct 109 ms 18576 KB Output is correct
4 Correct 116 ms 18800 KB Output is correct
5 Correct 111 ms 18548 KB Output is correct
6 Correct 105 ms 18620 KB Output is correct
7 Correct 113 ms 19832 KB Output is correct
8 Correct 106 ms 18620 KB Output is correct
9 Correct 106 ms 18564 KB Output is correct
10 Correct 109 ms 19128 KB Output is correct
11 Correct 108 ms 18624 KB Output is correct
12 Correct 119 ms 19572 KB Output is correct
13 Correct 109 ms 19076 KB Output is correct
14 Correct 118 ms 19788 KB Output is correct
15 Correct 107 ms 18624 KB Output is correct
16 Correct 118 ms 19076 KB Output is correct
17 Correct 109 ms 18624 KB Output is correct
18 Correct 108 ms 18588 KB Output is correct
19 Correct 107 ms 18620 KB Output is correct
20 Correct 126 ms 19576 KB Output is correct
21 Correct 109 ms 18620 KB Output is correct
22 Correct 107 ms 18880 KB Output is correct
23 Correct 107 ms 19648 KB Output is correct
24 Correct 111 ms 18804 KB Output is correct
25 Correct 124 ms 18872 KB Output is correct
26 Correct 113 ms 18920 KB Output is correct
27 Correct 106 ms 18628 KB Output is correct
28 Correct 112 ms 19132 KB Output is correct
29 Correct 108 ms 18952 KB Output is correct
30 Correct 109 ms 18808 KB Output is correct
31 Correct 113 ms 18728 KB Output is correct
32 Correct 111 ms 19132 KB Output is correct
33 Correct 110 ms 18808 KB Output is correct
34 Correct 111 ms 18664 KB Output is correct
35 Correct 128 ms 19136 KB Output is correct
36 Correct 111 ms 19648 KB Output is correct
37 Correct 111 ms 19824 KB Output is correct
38 Correct 107 ms 18856 KB Output is correct
39 Correct 108 ms 19292 KB Output is correct
40 Correct 107 ms 18112 KB Output is correct
41 Correct 108 ms 18208 KB Output is correct
42 Correct 107 ms 17852 KB Output is correct
43 Correct 127 ms 18020 KB Output is correct
44 Correct 117 ms 18552 KB Output is correct
45 Correct 114 ms 18112 KB Output is correct
46 Correct 124 ms 18112 KB Output is correct
47 Correct 113 ms 18032 KB Output is correct
48 Correct 118 ms 18332 KB Output is correct
49 Correct 141 ms 19136 KB Output is correct
50 Correct 111 ms 18052 KB Output is correct
51 Correct 113 ms 18880 KB Output is correct
52 Correct 110 ms 19132 KB Output is correct
53 Correct 112 ms 18128 KB Output is correct
54 Correct 113 ms 19072 KB Output is correct
55 Correct 112 ms 18160 KB Output is correct
56 Correct 120 ms 19080 KB Output is correct
57 Correct 111 ms 18728 KB Output is correct
58 Correct 113 ms 19112 KB Output is correct
59 Correct 115 ms 18112 KB Output is correct
60 Correct 128 ms 18820 KB Output is correct
61 Correct 111 ms 19084 KB Output is correct
62 Correct 119 ms 18880 KB Output is correct
63 Correct 111 ms 18108 KB Output is correct
64 Correct 129 ms 18468 KB Output is correct
65 Correct 124 ms 18820 KB Output is correct
66 Correct 122 ms 18720 KB Output is correct
67 Correct 125 ms 18364 KB Output is correct
68 Correct 130 ms 18116 KB Output is correct
69 Correct 121 ms 18704 KB Output is correct
70 Correct 124 ms 18108 KB Output is correct
71 Correct 122 ms 18116 KB Output is correct
72 Correct 120 ms 19144 KB Output is correct
73 Correct 122 ms 19108 KB Output is correct
74 Correct 121 ms 18548 KB Output is correct
75 Correct 126 ms 18108 KB Output is correct
76 Correct 124 ms 18112 KB Output is correct
77 Correct 126 ms 18780 KB Output is correct
78 Correct 125 ms 18112 KB Output is correct
79 Correct 130 ms 18280 KB Output is correct
80 Correct 125 ms 19064 KB Output is correct
81 Correct 121 ms 18368 KB Output is correct
82 Correct 122 ms 18052 KB Output is correct
83 Correct 130 ms 18288 KB Output is correct
84 Correct 122 ms 18556 KB Output is correct