oj.uz

Submission #946828

# Submission time Handle Problem Language Result Execution time Memory
946828 2024-03-15T05:58:41 Z galen_colin Cubeword (CEOI19_cubeword) C++17
100 / 100
 93 ms 30672 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 prod[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 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++){
						c[i][a][b][cc] += aa[i][a][j] * aa[i][b][j] * aa[i][cc][j];
					}
                    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++){
                    int pos = (a == b || b == cc);
                    int lim = pos ? 61 : cc;
					for(int d=cc; d<= lim; d++){
 
					int val = 0;
                    if(d==a) val = 291154603;
                    else if(d==b) val=166374059;
                    else if(cc==a) val= 166374059;
                    else if(b==a && d==cc) val=748683265;
                    else if(d==cc || b==a) val= 499122177;
                    else if(cc==b) val = 499122177;
 
                    if ((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]))) >= msq) ans -= msq;
                    
				}
                ans %= mod;
			}
			}
		}

        for(int a=0; a<62; a++){
			for(int b=a + 1; b<62; b++){
				for(int cc=b + 1; cc<62; cc++){
					for(int d=cc + 1; d<62; d++){
 
					if ((ans += mul(c[i][a][b][cc], c[i][a][b][d]) * mul(c[i][b][cc][d], c[i][a][cc][d])) >= msq) ans -= msq;
                    
				}
                ans %= mod;
			}
			}
		}
 
	}
 
    ans = (ans * 24) % 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 74 ms 30088 KB Output is correct
2 Correct 76 ms 29884 KB Output is correct
3 Correct 76 ms 29296 KB Output is correct
4 Correct 75 ms 29636 KB Output is correct
5 Correct 84 ms 29640 KB Output is correct
6 Correct 76 ms 29636 KB Output is correct
7 Correct 73 ms 29380 KB Output is correct
8 Correct 73 ms 30236 KB Output is correct
9 Correct 71 ms 29376 KB Output is correct
10 Correct 73 ms 29328 KB Output is correct
11 Correct 73 ms 29380 KB Output is correct
12 Correct 72 ms 29576 KB Output is correct
13 Correct 77 ms 29824 KB Output is correct
14 Correct 73 ms 29828 KB Output is correct
15 Correct 79 ms 29380 KB Output is correct
16 Correct 73 ms 30144 KB Output is correct
17 Correct 76 ms 29844 KB Output is correct
18 Correct 79 ms 30424 KB Output is correct
19 Correct 73 ms 29636 KB Output is correct
20 Correct 78 ms 29892 KB Output is correct
21 Correct 86 ms 29808 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 30088 KB Output is correct
2 Correct 76 ms 29884 KB Output is correct
3 Correct 76 ms 29296 KB Output is correct
4 Correct 75 ms 29636 KB Output is correct
5 Correct 84 ms 29640 KB Output is correct
6 Correct 76 ms 29636 KB Output is correct
7 Correct 73 ms 29380 KB Output is correct
8 Correct 73 ms 30236 KB Output is correct
9 Correct 71 ms 29376 KB Output is correct
10 Correct 73 ms 29328 KB Output is correct
11 Correct 73 ms 29380 KB Output is correct
12 Correct 72 ms 29576 KB Output is correct
13 Correct 77 ms 29824 KB Output is correct
14 Correct 73 ms 29828 KB Output is correct
15 Correct 79 ms 29380 KB Output is correct
16 Correct 73 ms 30144 KB Output is correct
17 Correct 76 ms 29844 KB Output is correct
18 Correct 79 ms 30424 KB Output is correct
19 Correct 73 ms 29636 KB Output is correct
20 Correct 78 ms 29892 KB Output is correct
21 Correct 86 ms 29808 KB Output is correct
22 Correct 78 ms 29888 KB Output is correct
23 Correct 73 ms 30144 KB Output is correct
24 Correct 72 ms 30400 KB Output is correct
25 Correct 73 ms 30156 KB Output is correct
26 Correct 73 ms 30404 KB Output is correct
27 Correct 70 ms 29636 KB Output is correct
28 Correct 74 ms 30084 KB Output is correct
29 Correct 78 ms 29632 KB Output is correct
30 Correct 72 ms 29824 KB Output is correct
31 Correct 74 ms 29668 KB Output is correct
32 Correct 72 ms 30132 KB Output is correct
33 Correct 75 ms 30144 KB Output is correct
34 Correct 82 ms 30348 KB Output is correct
35 Correct 87 ms 29636 KB Output is correct
36 Correct 72 ms 29572 KB Output is correct
37 Correct 73 ms 29644 KB Output is correct
38 Correct 72 ms 29824 KB Output is correct
39 Correct 71 ms 29640 KB Output is correct
40 Correct 71 ms 29632 KB Output is correct
41 Correct 78 ms 29636 KB Output is correct
42 Correct 71 ms 30668 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 30088 KB Output is correct
2 Correct 76 ms 29884 KB Output is correct
3 Correct 76 ms 29296 KB Output is correct
4 Correct 75 ms 29636 KB Output is correct
5 Correct 84 ms 29640 KB Output is correct
6 Correct 76 ms 29636 KB Output is correct
7 Correct 73 ms 29380 KB Output is correct
8 Correct 73 ms 30236 KB Output is correct
9 Correct 71 ms 29376 KB Output is correct
10 Correct 73 ms 29328 KB Output is correct
11 Correct 73 ms 29380 KB Output is correct
12 Correct 72 ms 29576 KB Output is correct
13 Correct 77 ms 29824 KB Output is correct
14 Correct 73 ms 29828 KB Output is correct
15 Correct 79 ms 29380 KB Output is correct
16 Correct 73 ms 30144 KB Output is correct
17 Correct 76 ms 29844 KB Output is correct
18 Correct 79 ms 30424 KB Output is correct
19 Correct 73 ms 29636 KB Output is correct
20 Correct 78 ms 29892 KB Output is correct
21 Correct 86 ms 29808 KB Output is correct
22 Correct 78 ms 29888 KB Output is correct
23 Correct 73 ms 30144 KB Output is correct
24 Correct 72 ms 30400 KB Output is correct
25 Correct 73 ms 30156 KB Output is correct
26 Correct 73 ms 30404 KB Output is correct
27 Correct 70 ms 29636 KB Output is correct
28 Correct 74 ms 30084 KB Output is correct
29 Correct 78 ms 29632 KB Output is correct
30 Correct 72 ms 29824 KB Output is correct
31 Correct 74 ms 29668 KB Output is correct
32 Correct 72 ms 30132 KB Output is correct
33 Correct 75 ms 30144 KB Output is correct
34 Correct 82 ms 30348 KB Output is correct
35 Correct 87 ms 29636 KB Output is correct
36 Correct 72 ms 29572 KB Output is correct
37 Correct 73 ms 29644 KB Output is correct
38 Correct 72 ms 29824 KB Output is correct
39 Correct 71 ms 29640 KB Output is correct
40 Correct 71 ms 29632 KB Output is correct
41 Correct 78 ms 29636 KB Output is correct
42 Correct 71 ms 30668 KB Output is correct
43 Correct 85 ms 29888 KB Output is correct
44 Correct 74 ms 29572 KB Output is correct
45 Correct 76 ms 30404 KB Output is correct
46 Correct 81 ms 29636 KB Output is correct
47 Correct 75 ms 29644 KB Output is correct
48 Correct 77 ms 29640 KB Output is correct
49 Correct 77 ms 29888 KB Output is correct
50 Correct 74 ms 29636 KB Output is correct
51 Correct 75 ms 30404 KB Output is correct
52 Correct 74 ms 30600 KB Output is correct
53 Correct 76 ms 29888 KB Output is correct
54 Correct 76 ms 30148 KB Output is correct
55 Correct 81 ms 30128 KB Output is correct
56 Correct 77 ms 29636 KB Output is correct
57 Correct 74 ms 29632 KB Output is correct
58 Correct 93 ms 29832 KB Output is correct
59 Correct 74 ms 29644 KB Output is correct
60 Correct 77 ms 29832 KB Output is correct
61 Correct 75 ms 29560 KB Output is correct
62 Correct 75 ms 30672 KB Output is correct
63 Correct 75 ms 30344 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 30088 KB Output is correct
2 Correct 76 ms 29884 KB Output is correct
3 Correct 76 ms 29296 KB Output is correct
4 Correct 75 ms 29636 KB Output is correct
5 Correct 84 ms 29640 KB Output is correct
6 Correct 76 ms 29636 KB Output is correct
7 Correct 73 ms 29380 KB Output is correct
8 Correct 73 ms 30236 KB Output is correct
9 Correct 71 ms 29376 KB Output is correct
10 Correct 73 ms 29328 KB Output is correct
11 Correct 73 ms 29380 KB Output is correct
12 Correct 72 ms 29576 KB Output is correct
13 Correct 77 ms 29824 KB Output is correct
14 Correct 73 ms 29828 KB Output is correct
15 Correct 79 ms 29380 KB Output is correct
16 Correct 73 ms 30144 KB Output is correct
17 Correct 76 ms 29844 KB Output is correct
18 Correct 79 ms 30424 KB Output is correct
19 Correct 73 ms 29636 KB Output is correct
20 Correct 78 ms 29892 KB Output is correct
21 Correct 86 ms 29808 KB Output is correct
22 Correct 78 ms 29888 KB Output is correct
23 Correct 73 ms 30144 KB Output is correct
24 Correct 72 ms 30400 KB Output is correct
25 Correct 73 ms 30156 KB Output is correct
26 Correct 73 ms 30404 KB Output is correct
27 Correct 70 ms 29636 KB Output is correct
28 Correct 74 ms 30084 KB Output is correct
29 Correct 78 ms 29632 KB Output is correct
30 Correct 72 ms 29824 KB Output is correct
31 Correct 74 ms 29668 KB Output is correct
32 Correct 72 ms 30132 KB Output is correct
33 Correct 75 ms 30144 KB Output is correct
34 Correct 82 ms 30348 KB Output is correct
35 Correct 87 ms 29636 KB Output is correct
36 Correct 72 ms 29572 KB Output is correct
37 Correct 73 ms 29644 KB Output is correct
38 Correct 72 ms 29824 KB Output is correct
39 Correct 71 ms 29640 KB Output is correct
40 Correct 71 ms 29632 KB Output is correct
41 Correct 78 ms 29636 KB Output is correct
42 Correct 71 ms 30668 KB Output is correct
43 Correct 85 ms 29888 KB Output is correct
44 Correct 74 ms 29572 KB Output is correct
45 Correct 76 ms 30404 KB Output is correct
46 Correct 81 ms 29636 KB Output is correct
47 Correct 75 ms 29644 KB Output is correct
48 Correct 77 ms 29640 KB Output is correct
49 Correct 77 ms 29888 KB Output is correct
50 Correct 74 ms 29636 KB Output is correct
51 Correct 75 ms 30404 KB Output is correct
52 Correct 74 ms 30600 KB Output is correct
53 Correct 76 ms 29888 KB Output is correct
54 Correct 76 ms 30148 KB Output is correct
55 Correct 81 ms 30128 KB Output is correct
56 Correct 77 ms 29636 KB Output is correct
57 Correct 74 ms 29632 KB Output is correct
58 Correct 93 ms 29832 KB Output is correct
59 Correct 74 ms 29644 KB Output is correct
60 Correct 77 ms 29832 KB Output is correct
61 Correct 75 ms 29560 KB Output is correct
62 Correct 75 ms 30672 KB Output is correct
63 Correct 75 ms 30344 KB Output is correct
64 Correct 78 ms 29632 KB Output is correct
65 Correct 76 ms 29644 KB Output is correct
66 Correct 79 ms 29892 KB Output is correct
67 Correct 84 ms 29876 KB Output is correct
68 Correct 86 ms 30148 KB Output is correct
69 Correct 78 ms 29636 KB Output is correct
70 Correct 75 ms 29636 KB Output is correct
71 Correct 76 ms 29812 KB Output is correct
72 Correct 74 ms 29632 KB Output is correct
73 Correct 83 ms 30348 KB Output is correct
74 Correct 75 ms 30632 KB Output is correct
75 Correct 75 ms 29888 KB Output is correct
76 Correct 74 ms 29636 KB Output is correct
77 Correct 80 ms 30148 KB Output is correct
78 Correct 80 ms 29632 KB Output is correct
79 Correct 77 ms 29684 KB Output is correct
80 Correct 80 ms 29636 KB Output is correct
81 Correct 75 ms 30404 KB Output is correct
82 Correct 75 ms 29840 KB Output is correct
83 Correct 76 ms 29572 KB Output is correct
84 Correct 75 ms 29632 KB Output is correct