oj.uz

Submission #946825

# Submission time Handle Problem Language Result Execution time Memory
946825 2024-03-15T05:50:46 Z galen_colin Cubeword (CEOI19_cubeword) C++17
100 / 100
 103 ms 30656 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;
const int sq4 = 4 * msq;
 
inline int mul(int x, int y){
	if((x*y)>mod) return x*y%mod;
	return x*y;
}

inline void sub(int &x, int y) {
    if (x >= y) 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 t = 0;
					for(int d=cc; d<62; 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;
					else val=1;
 
					if (val != 1) {
                        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]));
                    } else {
                        ans += mul(c[i][a][b][cc], c[i][a][b][d]) * mul(c[i][b][cc][d], c[i][a][cc][d]);
                    }
                    if (t++ == 4) {
                        if (ans >= sq4) ans -= sq4;
                        t = 0;
                    }
				}
                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 85 ms 30148 KB Output is correct
2 Correct 86 ms 29636 KB Output is correct
3 Correct 89 ms 29320 KB Output is correct
4 Correct 84 ms 29632 KB Output is correct
5 Correct 92 ms 29888 KB Output is correct
6 Correct 83 ms 29488 KB Output is correct
7 Correct 82 ms 30600 KB Output is correct
8 Correct 85 ms 29632 KB Output is correct
9 Correct 90 ms 29748 KB Output is correct
10 Correct 84 ms 29388 KB Output is correct
11 Correct 86 ms 29812 KB Output is correct
12 Correct 83 ms 29640 KB Output is correct
13 Correct 83 ms 30144 KB Output is correct
14 Correct 86 ms 29892 KB Output is correct
15 Correct 82 ms 29380 KB Output is correct
16 Correct 84 ms 30400 KB Output is correct
17 Correct 83 ms 30404 KB Output is correct
18 Correct 83 ms 29380 KB Output is correct
19 Correct 84 ms 29632 KB Output is correct
20 Correct 84 ms 29380 KB Output is correct
21 Correct 86 ms 30144 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 30148 KB Output is correct
2 Correct 86 ms 29636 KB Output is correct
3 Correct 89 ms 29320 KB Output is correct
4 Correct 84 ms 29632 KB Output is correct
5 Correct 92 ms 29888 KB Output is correct
6 Correct 83 ms 29488 KB Output is correct
7 Correct 82 ms 30600 KB Output is correct
8 Correct 85 ms 29632 KB Output is correct
9 Correct 90 ms 29748 KB Output is correct
10 Correct 84 ms 29388 KB Output is correct
11 Correct 86 ms 29812 KB Output is correct
12 Correct 83 ms 29640 KB Output is correct
13 Correct 83 ms 30144 KB Output is correct
14 Correct 86 ms 29892 KB Output is correct
15 Correct 82 ms 29380 KB Output is correct
16 Correct 84 ms 30400 KB Output is correct
17 Correct 83 ms 30404 KB Output is correct
18 Correct 83 ms 29380 KB Output is correct
19 Correct 84 ms 29632 KB Output is correct
20 Correct 84 ms 29380 KB Output is correct
21 Correct 86 ms 30144 KB Output is correct
22 Correct 85 ms 30400 KB Output is correct
23 Correct 85 ms 30144 KB Output is correct
24 Correct 85 ms 29456 KB Output is correct
25 Correct 83 ms 29896 KB Output is correct
26 Correct 84 ms 29632 KB Output is correct
27 Correct 85 ms 29632 KB Output is correct
28 Correct 83 ms 29636 KB Output is correct
29 Correct 86 ms 29636 KB Output is correct
30 Correct 83 ms 29632 KB Output is correct
31 Correct 85 ms 29900 KB Output is correct
32 Correct 85 ms 30404 KB Output is correct
33 Correct 96 ms 29556 KB Output is correct
34 Correct 84 ms 29636 KB Output is correct
35 Correct 83 ms 30656 KB Output is correct
36 Correct 83 ms 29632 KB Output is correct
37 Correct 84 ms 29632 KB Output is correct
38 Correct 83 ms 29892 KB Output is correct
39 Correct 84 ms 29636 KB Output is correct
40 Correct 82 ms 29644 KB Output is correct
41 Correct 98 ms 29888 KB Output is correct
42 Correct 83 ms 30144 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 30148 KB Output is correct
2 Correct 86 ms 29636 KB Output is correct
3 Correct 89 ms 29320 KB Output is correct
4 Correct 84 ms 29632 KB Output is correct
5 Correct 92 ms 29888 KB Output is correct
6 Correct 83 ms 29488 KB Output is correct
7 Correct 82 ms 30600 KB Output is correct
8 Correct 85 ms 29632 KB Output is correct
9 Correct 90 ms 29748 KB Output is correct
10 Correct 84 ms 29388 KB Output is correct
11 Correct 86 ms 29812 KB Output is correct
12 Correct 83 ms 29640 KB Output is correct
13 Correct 83 ms 30144 KB Output is correct
14 Correct 86 ms 29892 KB Output is correct
15 Correct 82 ms 29380 KB Output is correct
16 Correct 84 ms 30400 KB Output is correct
17 Correct 83 ms 30404 KB Output is correct
18 Correct 83 ms 29380 KB Output is correct
19 Correct 84 ms 29632 KB Output is correct
20 Correct 84 ms 29380 KB Output is correct
21 Correct 86 ms 30144 KB Output is correct
22 Correct 85 ms 30400 KB Output is correct
23 Correct 85 ms 30144 KB Output is correct
24 Correct 85 ms 29456 KB Output is correct
25 Correct 83 ms 29896 KB Output is correct
26 Correct 84 ms 29632 KB Output is correct
27 Correct 85 ms 29632 KB Output is correct
28 Correct 83 ms 29636 KB Output is correct
29 Correct 86 ms 29636 KB Output is correct
30 Correct 83 ms 29632 KB Output is correct
31 Correct 85 ms 29900 KB Output is correct
32 Correct 85 ms 30404 KB Output is correct
33 Correct 96 ms 29556 KB Output is correct
34 Correct 84 ms 29636 KB Output is correct
35 Correct 83 ms 30656 KB Output is correct
36 Correct 83 ms 29632 KB Output is correct
37 Correct 84 ms 29632 KB Output is correct
38 Correct 83 ms 29892 KB Output is correct
39 Correct 84 ms 29636 KB Output is correct
40 Correct 82 ms 29644 KB Output is correct
41 Correct 98 ms 29888 KB Output is correct
42 Correct 83 ms 30144 KB Output is correct
43 Correct 86 ms 29636 KB Output is correct
44 Correct 86 ms 29888 KB Output is correct
45 Correct 86 ms 29644 KB Output is correct
46 Correct 89 ms 29580 KB Output is correct
47 Correct 86 ms 29636 KB Output is correct
48 Correct 88 ms 30608 KB Output is correct
49 Correct 90 ms 29576 KB Output is correct
50 Correct 91 ms 29540 KB Output is correct
51 Correct 87 ms 29572 KB Output is correct
52 Correct 87 ms 30088 KB Output is correct
53 Correct 87 ms 30340 KB Output is correct
54 Correct 89 ms 29636 KB Output is correct
55 Correct 86 ms 29828 KB Output is correct
56 Correct 87 ms 30408 KB Output is correct
57 Correct 86 ms 29640 KB Output is correct
58 Correct 90 ms 29576 KB Output is correct
59 Correct 86 ms 29632 KB Output is correct
60 Correct 87 ms 29636 KB Output is correct
61 Correct 87 ms 29632 KB Output is correct
62 Correct 103 ms 29632 KB Output is correct
63 Correct 92 ms 29576 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 30148 KB Output is correct
2 Correct 86 ms 29636 KB Output is correct
3 Correct 89 ms 29320 KB Output is correct
4 Correct 84 ms 29632 KB Output is correct
5 Correct 92 ms 29888 KB Output is correct
6 Correct 83 ms 29488 KB Output is correct
7 Correct 82 ms 30600 KB Output is correct
8 Correct 85 ms 29632 KB Output is correct
9 Correct 90 ms 29748 KB Output is correct
10 Correct 84 ms 29388 KB Output is correct
11 Correct 86 ms 29812 KB Output is correct
12 Correct 83 ms 29640 KB Output is correct
13 Correct 83 ms 30144 KB Output is correct
14 Correct 86 ms 29892 KB Output is correct
15 Correct 82 ms 29380 KB Output is correct
16 Correct 84 ms 30400 KB Output is correct
17 Correct 83 ms 30404 KB Output is correct
18 Correct 83 ms 29380 KB Output is correct
19 Correct 84 ms 29632 KB Output is correct
20 Correct 84 ms 29380 KB Output is correct
21 Correct 86 ms 30144 KB Output is correct
22 Correct 85 ms 30400 KB Output is correct
23 Correct 85 ms 30144 KB Output is correct
24 Correct 85 ms 29456 KB Output is correct
25 Correct 83 ms 29896 KB Output is correct
26 Correct 84 ms 29632 KB Output is correct
27 Correct 85 ms 29632 KB Output is correct
28 Correct 83 ms 29636 KB Output is correct
29 Correct 86 ms 29636 KB Output is correct
30 Correct 83 ms 29632 KB Output is correct
31 Correct 85 ms 29900 KB Output is correct
32 Correct 85 ms 30404 KB Output is correct
33 Correct 96 ms 29556 KB Output is correct
34 Correct 84 ms 29636 KB Output is correct
35 Correct 83 ms 30656 KB Output is correct
36 Correct 83 ms 29632 KB Output is correct
37 Correct 84 ms 29632 KB Output is correct
38 Correct 83 ms 29892 KB Output is correct
39 Correct 84 ms 29636 KB Output is correct
40 Correct 82 ms 29644 KB Output is correct
41 Correct 98 ms 29888 KB Output is correct
42 Correct 83 ms 30144 KB Output is correct
43 Correct 86 ms 29636 KB Output is correct
44 Correct 86 ms 29888 KB Output is correct
45 Correct 86 ms 29644 KB Output is correct
46 Correct 89 ms 29580 KB Output is correct
47 Correct 86 ms 29636 KB Output is correct
48 Correct 88 ms 30608 KB Output is correct
49 Correct 90 ms 29576 KB Output is correct
50 Correct 91 ms 29540 KB Output is correct
51 Correct 87 ms 29572 KB Output is correct
52 Correct 87 ms 30088 KB Output is correct
53 Correct 87 ms 30340 KB Output is correct
54 Correct 89 ms 29636 KB Output is correct
55 Correct 86 ms 29828 KB Output is correct
56 Correct 87 ms 30408 KB Output is correct
57 Correct 86 ms 29640 KB Output is correct
58 Correct 90 ms 29576 KB Output is correct
59 Correct 86 ms 29632 KB Output is correct
60 Correct 87 ms 29636 KB Output is correct
61 Correct 87 ms 29632 KB Output is correct
62 Correct 103 ms 29632 KB Output is correct
63 Correct 92 ms 29576 KB Output is correct
64 Correct 88 ms 29560 KB Output is correct
65 Correct 86 ms 30412 KB Output is correct
66 Correct 86 ms 29644 KB Output is correct
67 Correct 90 ms 29556 KB Output is correct
68 Correct 90 ms 30148 KB Output is correct
69 Correct 89 ms 30144 KB Output is correct
70 Correct 87 ms 29836 KB Output is correct
71 Correct 92 ms 29632 KB Output is correct
72 Correct 86 ms 29632 KB Output is correct
73 Correct 87 ms 29636 KB Output is correct
74 Correct 86 ms 29636 KB Output is correct
75 Correct 87 ms 29636 KB Output is correct
76 Correct 96 ms 29632 KB Output is correct
77 Correct 85 ms 29576 KB Output is correct
78 Correct 90 ms 29636 KB Output is correct
79 Correct 86 ms 29636 KB Output is correct
80 Correct 95 ms 29580 KB Output is correct
81 Correct 89 ms 29644 KB Output is correct
82 Correct 88 ms 29632 KB Output is correct
83 Correct 87 ms 29632 KB Output is correct
84 Correct 87 ms 29828 KB Output is correct