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Submission #946809

# Submission time Handle Problem Language Result Execution time Memory
946809 2024-03-15T05:23:36 Z galen_colin Cubeword (CEOI19_cubeword) C++17
100 / 100
 112 ms 28616 KB 
/* not my code (obviously i don't code like this wtf) */

#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;
const int msq = mod * mod;
 
inline int mul(int x, int y){
	if((x*y)>mod) return x*y%mod;
	return x*y;
}
 
void sum(int &a){
	if(a>=msq) a-=msq;
}
 
void solve(){
	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]);
	}

    memset(aa, 0, sizeof aa);
    memset(c, 0, sizeof c);
 
	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 a=0; a<62; a++){
            for(int b=a; b<62; b++){
                for(int cc=b; cc<62; cc++){
                    for(int j=0; j<62; j++){
						if ((c[i][a][b][cc] += aa[i][a][j] * mul(aa[i][b][j], aa[i][cc][j])) >= msq) c[i][a][b][cc] -= msq;
					}
                    c[i][a][b][cc] %= mod;
				}
			}
		}
	}
 
	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 += val * mul(mul(c[i][a][b][cc], c[i][a][b][d]), mul(c[i][b][cc][d], c[i][a][cc][d]));
				}
                ans %= mod;
			}
			}
		}
 
	}
 
	cout<<ans<<'\n';
}   

signed main() {
    int t = 1;
    #ifdef galen_colin_local
    cin >> t;
    #endif
    while (t--) solve();
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 27328 KB Output is correct
2 Correct 98 ms 27276 KB Output is correct
3 Correct 102 ms 28100 KB Output is correct
4 Correct 99 ms 28040 KB Output is correct
5 Correct 96 ms 27328 KB Output is correct
6 Correct 94 ms 27336 KB Output is correct
7 Correct 95 ms 28608 KB Output is correct
8 Correct 96 ms 27588 KB Output is correct
9 Correct 94 ms 27332 KB Output is correct
10 Correct 96 ms 27844 KB Output is correct
11 Correct 96 ms 28116 KB Output is correct
12 Correct 96 ms 27588 KB Output is correct
13 Correct 95 ms 28356 KB Output is correct
14 Correct 96 ms 27272 KB Output is correct
15 Correct 96 ms 28356 KB Output is correct
16 Correct 100 ms 27332 KB Output is correct
17 Correct 95 ms 27840 KB Output is correct
18 Correct 95 ms 28608 KB Output is correct
19 Correct 98 ms 28096 KB Output is correct
20 Correct 105 ms 27508 KB Output is correct
21 Correct 95 ms 27328 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 27328 KB Output is correct
2 Correct 98 ms 27276 KB Output is correct
3 Correct 102 ms 28100 KB Output is correct
4 Correct 99 ms 28040 KB Output is correct
5 Correct 96 ms 27328 KB Output is correct
6 Correct 94 ms 27336 KB Output is correct
7 Correct 95 ms 28608 KB Output is correct
8 Correct 96 ms 27588 KB Output is correct
9 Correct 94 ms 27332 KB Output is correct
10 Correct 96 ms 27844 KB Output is correct
11 Correct 96 ms 28116 KB Output is correct
12 Correct 96 ms 27588 KB Output is correct
13 Correct 95 ms 28356 KB Output is correct
14 Correct 96 ms 27272 KB Output is correct
15 Correct 96 ms 28356 KB Output is correct
16 Correct 100 ms 27332 KB Output is correct
17 Correct 95 ms 27840 KB Output is correct
18 Correct 95 ms 28608 KB Output is correct
19 Correct 98 ms 28096 KB Output is correct
20 Correct 105 ms 27508 KB Output is correct
21 Correct 95 ms 27328 KB Output is correct
22 Correct 97 ms 28356 KB Output is correct
23 Correct 94 ms 27584 KB Output is correct
24 Correct 96 ms 28608 KB Output is correct
25 Correct 98 ms 28108 KB Output is correct
26 Correct 97 ms 27528 KB Output is correct
27 Correct 94 ms 28296 KB Output is correct
28 Correct 96 ms 28100 KB Output is correct
29 Correct 99 ms 27524 KB Output is correct
30 Correct 94 ms 27588 KB Output is correct
31 Correct 95 ms 27584 KB Output is correct
32 Correct 94 ms 27584 KB Output is correct
33 Correct 96 ms 27408 KB Output is correct
34 Correct 97 ms 27584 KB Output is correct
35 Correct 96 ms 27596 KB Output is correct
36 Correct 95 ms 27588 KB Output is correct
37 Correct 96 ms 28356 KB Output is correct
38 Correct 99 ms 28608 KB Output is correct
39 Correct 95 ms 28616 KB Output is correct
40 Correct 95 ms 27584 KB Output is correct
41 Correct 94 ms 27516 KB Output is correct
42 Correct 100 ms 28544 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 27328 KB Output is correct
2 Correct 98 ms 27276 KB Output is correct
3 Correct 102 ms 28100 KB Output is correct
4 Correct 99 ms 28040 KB Output is correct
5 Correct 96 ms 27328 KB Output is correct
6 Correct 94 ms 27336 KB Output is correct
7 Correct 95 ms 28608 KB Output is correct
8 Correct 96 ms 27588 KB Output is correct
9 Correct 94 ms 27332 KB Output is correct
10 Correct 96 ms 27844 KB Output is correct
11 Correct 96 ms 28116 KB Output is correct
12 Correct 96 ms 27588 KB Output is correct
13 Correct 95 ms 28356 KB Output is correct
14 Correct 96 ms 27272 KB Output is correct
15 Correct 96 ms 28356 KB Output is correct
16 Correct 100 ms 27332 KB Output is correct
17 Correct 95 ms 27840 KB Output is correct
18 Correct 95 ms 28608 KB Output is correct
19 Correct 98 ms 28096 KB Output is correct
20 Correct 105 ms 27508 KB Output is correct
21 Correct 95 ms 27328 KB Output is correct
22 Correct 97 ms 28356 KB Output is correct
23 Correct 94 ms 27584 KB Output is correct
24 Correct 96 ms 28608 KB Output is correct
25 Correct 98 ms 28108 KB Output is correct
26 Correct 97 ms 27528 KB Output is correct
27 Correct 94 ms 28296 KB Output is correct
28 Correct 96 ms 28100 KB Output is correct
29 Correct 99 ms 27524 KB Output is correct
30 Correct 94 ms 27588 KB Output is correct
31 Correct 95 ms 27584 KB Output is correct
32 Correct 94 ms 27584 KB Output is correct
33 Correct 96 ms 27408 KB Output is correct
34 Correct 97 ms 27584 KB Output is correct
35 Correct 96 ms 27596 KB Output is correct
36 Correct 95 ms 27588 KB Output is correct
37 Correct 96 ms 28356 KB Output is correct
38 Correct 99 ms 28608 KB Output is correct
39 Correct 95 ms 28616 KB Output is correct
40 Correct 95 ms 27584 KB Output is correct
41 Correct 94 ms 27516 KB Output is correct
42 Correct 100 ms 28544 KB Output is correct
43 Correct 102 ms 27536 KB Output is correct
44 Correct 101 ms 27844 KB Output is correct
45 Correct 104 ms 27528 KB Output is correct
46 Correct 104 ms 27544 KB Output is correct
47 Correct 104 ms 27588 KB Output is correct
48 Correct 102 ms 27588 KB Output is correct
49 Correct 100 ms 27584 KB Output is correct
50 Correct 97 ms 27584 KB Output is correct
51 Correct 99 ms 27652 KB Output is correct
52 Correct 101 ms 27584 KB Output is correct
53 Correct 100 ms 27840 KB Output is correct
54 Correct 112 ms 28296 KB Output is correct
55 Correct 98 ms 27596 KB Output is correct
56 Correct 99 ms 27596 KB Output is correct
57 Correct 99 ms 27532 KB Output is correct
58 Correct 102 ms 27584 KB Output is correct
59 Correct 98 ms 27592 KB Output is correct
60 Correct 100 ms 27784 KB Output is correct
61 Correct 100 ms 28108 KB Output is correct
62 Correct 99 ms 28356 KB Output is correct
63 Correct 100 ms 27588 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 27328 KB Output is correct
2 Correct 98 ms 27276 KB Output is correct
3 Correct 102 ms 28100 KB Output is correct
4 Correct 99 ms 28040 KB Output is correct
5 Correct 96 ms 27328 KB Output is correct
6 Correct 94 ms 27336 KB Output is correct
7 Correct 95 ms 28608 KB Output is correct
8 Correct 96 ms 27588 KB Output is correct
9 Correct 94 ms 27332 KB Output is correct
10 Correct 96 ms 27844 KB Output is correct
11 Correct 96 ms 28116 KB Output is correct
12 Correct 96 ms 27588 KB Output is correct
13 Correct 95 ms 28356 KB Output is correct
14 Correct 96 ms 27272 KB Output is correct
15 Correct 96 ms 28356 KB Output is correct
16 Correct 100 ms 27332 KB Output is correct
17 Correct 95 ms 27840 KB Output is correct
18 Correct 95 ms 28608 KB Output is correct
19 Correct 98 ms 28096 KB Output is correct
20 Correct 105 ms 27508 KB Output is correct
21 Correct 95 ms 27328 KB Output is correct
22 Correct 97 ms 28356 KB Output is correct
23 Correct 94 ms 27584 KB Output is correct
24 Correct 96 ms 28608 KB Output is correct
25 Correct 98 ms 28108 KB Output is correct
26 Correct 97 ms 27528 KB Output is correct
27 Correct 94 ms 28296 KB Output is correct
28 Correct 96 ms 28100 KB Output is correct
29 Correct 99 ms 27524 KB Output is correct
30 Correct 94 ms 27588 KB Output is correct
31 Correct 95 ms 27584 KB Output is correct
32 Correct 94 ms 27584 KB Output is correct
33 Correct 96 ms 27408 KB Output is correct
34 Correct 97 ms 27584 KB Output is correct
35 Correct 96 ms 27596 KB Output is correct
36 Correct 95 ms 27588 KB Output is correct
37 Correct 96 ms 28356 KB Output is correct
38 Correct 99 ms 28608 KB Output is correct
39 Correct 95 ms 28616 KB Output is correct
40 Correct 95 ms 27584 KB Output is correct
41 Correct 94 ms 27516 KB Output is correct
42 Correct 100 ms 28544 KB Output is correct
43 Correct 102 ms 27536 KB Output is correct
44 Correct 101 ms 27844 KB Output is correct
45 Correct 104 ms 27528 KB Output is correct
46 Correct 104 ms 27544 KB Output is correct
47 Correct 104 ms 27588 KB Output is correct
48 Correct 102 ms 27588 KB Output is correct
49 Correct 100 ms 27584 KB Output is correct
50 Correct 97 ms 27584 KB Output is correct
51 Correct 99 ms 27652 KB Output is correct
52 Correct 101 ms 27584 KB Output is correct
53 Correct 100 ms 27840 KB Output is correct
54 Correct 112 ms 28296 KB Output is correct
55 Correct 98 ms 27596 KB Output is correct
56 Correct 99 ms 27596 KB Output is correct
57 Correct 99 ms 27532 KB Output is correct
58 Correct 102 ms 27584 KB Output is correct
59 Correct 98 ms 27592 KB Output is correct
60 Correct 100 ms 27784 KB Output is correct
61 Correct 100 ms 28108 KB Output is correct
62 Correct 99 ms 28356 KB Output is correct
63 Correct 100 ms 27588 KB Output is correct
64 Correct 104 ms 28304 KB Output is correct
65 Correct 101 ms 28364 KB Output is correct
66 Correct 102 ms 28352 KB Output is correct
67 Correct 101 ms 28096 KB Output is correct
68 Correct 106 ms 27540 KB Output is correct
69 Correct 103 ms 27536 KB Output is correct
70 Correct 101 ms 27528 KB Output is correct
71 Correct 102 ms 27588 KB Output is correct
72 Correct 102 ms 27588 KB Output is correct
73 Correct 101 ms 27536 KB Output is correct
74 Correct 101 ms 27588 KB Output is correct
75 Correct 106 ms 27840 KB Output is correct
76 Correct 101 ms 27584 KB Output is correct
77 Correct 107 ms 28356 KB Output is correct
78 Correct 102 ms 28100 KB Output is correct
79 Correct 103 ms 27732 KB Output is correct
80 Correct 108 ms 27844 KB Output is correct
81 Correct 104 ms 27844 KB Output is correct
82 Correct 104 ms 27584 KB Output is correct
83 Correct 104 ms 27716 KB Output is correct
84 Correct 100 ms 27528 KB Output is correct