oj.uz

Submission #946824

# Submission time Handle Problem Language Result Execution time Memory
946824 2024-03-15T05:49:27 Z galen_colin Cubeword (CEOI19_cubeword) C++17
100 / 100
 96 ms 30660 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;
}

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++ == 7) {
                        sub(ans, 4 * msq);
                        sub(ans, 2 * msq);
                        sub(ans, msq);
                        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 84 ms 30332 KB Output is correct
2 Correct 84 ms 29376 KB Output is correct
3 Correct 83 ms 30596 KB Output is correct
4 Correct 84 ms 29380 KB Output is correct
5 Correct 86 ms 29892 KB Output is correct
6 Correct 96 ms 29376 KB Output is correct
7 Correct 84 ms 30148 KB Output is correct
8 Correct 83 ms 29376 KB Output is correct
9 Correct 82 ms 29316 KB Output is correct
10 Correct 86 ms 29560 KB Output is correct
11 Correct 84 ms 29380 KB Output is correct
12 Correct 83 ms 29388 KB Output is correct
13 Correct 83 ms 29380 KB Output is correct
14 Correct 83 ms 29380 KB Output is correct
15 Correct 83 ms 30148 KB Output is correct
16 Correct 84 ms 29380 KB Output is correct
17 Correct 83 ms 29380 KB Output is correct
18 Correct 83 ms 29376 KB Output is correct
19 Correct 91 ms 30336 KB Output is correct
20 Correct 87 ms 29828 KB Output is correct
21 Correct 90 ms 29312 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 30332 KB Output is correct
2 Correct 84 ms 29376 KB Output is correct
3 Correct 83 ms 30596 KB Output is correct
4 Correct 84 ms 29380 KB Output is correct
5 Correct 86 ms 29892 KB Output is correct
6 Correct 96 ms 29376 KB Output is correct
7 Correct 84 ms 30148 KB Output is correct
8 Correct 83 ms 29376 KB Output is correct
9 Correct 82 ms 29316 KB Output is correct
10 Correct 86 ms 29560 KB Output is correct
11 Correct 84 ms 29380 KB Output is correct
12 Correct 83 ms 29388 KB Output is correct
13 Correct 83 ms 29380 KB Output is correct
14 Correct 83 ms 29380 KB Output is correct
15 Correct 83 ms 30148 KB Output is correct
16 Correct 84 ms 29380 KB Output is correct
17 Correct 83 ms 29380 KB Output is correct
18 Correct 83 ms 29376 KB Output is correct
19 Correct 91 ms 30336 KB Output is correct
20 Correct 87 ms 29828 KB Output is correct
21 Correct 90 ms 29312 KB Output is correct
22 Correct 84 ms 29632 KB Output is correct
23 Correct 88 ms 30144 KB Output is correct
24 Correct 83 ms 30400 KB Output is correct
25 Correct 93 ms 29824 KB Output is correct
26 Correct 82 ms 29480 KB Output is correct
27 Correct 86 ms 29560 KB Output is correct
28 Correct 89 ms 30144 KB Output is correct
29 Correct 91 ms 29632 KB Output is correct
30 Correct 87 ms 29644 KB Output is correct
31 Correct 83 ms 29584 KB Output is correct
32 Correct 84 ms 30392 KB Output is correct
33 Correct 84 ms 30344 KB Output is correct
34 Correct 83 ms 30336 KB Output is correct
35 Correct 82 ms 29568 KB Output is correct
36 Correct 93 ms 29724 KB Output is correct
37 Correct 86 ms 29576 KB Output is correct
38 Correct 83 ms 29636 KB Output is correct
39 Correct 85 ms 30660 KB Output is correct
40 Correct 90 ms 29808 KB Output is correct
41 Correct 87 ms 29816 KB Output is correct
42 Correct 91 ms 30156 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 30332 KB Output is correct
2 Correct 84 ms 29376 KB Output is correct
3 Correct 83 ms 30596 KB Output is correct
4 Correct 84 ms 29380 KB Output is correct
5 Correct 86 ms 29892 KB Output is correct
6 Correct 96 ms 29376 KB Output is correct
7 Correct 84 ms 30148 KB Output is correct
8 Correct 83 ms 29376 KB Output is correct
9 Correct 82 ms 29316 KB Output is correct
10 Correct 86 ms 29560 KB Output is correct
11 Correct 84 ms 29380 KB Output is correct
12 Correct 83 ms 29388 KB Output is correct
13 Correct 83 ms 29380 KB Output is correct
14 Correct 83 ms 29380 KB Output is correct
15 Correct 83 ms 30148 KB Output is correct
16 Correct 84 ms 29380 KB Output is correct
17 Correct 83 ms 29380 KB Output is correct
18 Correct 83 ms 29376 KB Output is correct
19 Correct 91 ms 30336 KB Output is correct
20 Correct 87 ms 29828 KB Output is correct
21 Correct 90 ms 29312 KB Output is correct
22 Correct 84 ms 29632 KB Output is correct
23 Correct 88 ms 30144 KB Output is correct
24 Correct 83 ms 30400 KB Output is correct
25 Correct 93 ms 29824 KB Output is correct
26 Correct 82 ms 29480 KB Output is correct
27 Correct 86 ms 29560 KB Output is correct
28 Correct 89 ms 30144 KB Output is correct
29 Correct 91 ms 29632 KB Output is correct
30 Correct 87 ms 29644 KB Output is correct
31 Correct 83 ms 29584 KB Output is correct
32 Correct 84 ms 30392 KB Output is correct
33 Correct 84 ms 30344 KB Output is correct
34 Correct 83 ms 30336 KB Output is correct
35 Correct 82 ms 29568 KB Output is correct
36 Correct 93 ms 29724 KB Output is correct
37 Correct 86 ms 29576 KB Output is correct
38 Correct 83 ms 29636 KB Output is correct
39 Correct 85 ms 30660 KB Output is correct
40 Correct 90 ms 29808 KB Output is correct
41 Correct 87 ms 29816 KB Output is correct
42 Correct 91 ms 30156 KB Output is correct
43 Correct 85 ms 29632 KB Output is correct
44 Correct 85 ms 29592 KB Output is correct
45 Correct 86 ms 30656 KB Output is correct
46 Correct 91 ms 29812 KB Output is correct
47 Correct 86 ms 29632 KB Output is correct
48 Correct 87 ms 29640 KB Output is correct
49 Correct 86 ms 30064 KB Output is correct
50 Correct 86 ms 29892 KB Output is correct
51 Correct 86 ms 30064 KB Output is correct
52 Correct 86 ms 29636 KB Output is correct
53 Correct 86 ms 30080 KB Output is correct
54 Correct 86 ms 29892 KB Output is correct
55 Correct 84 ms 29644 KB Output is correct
56 Correct 86 ms 30324 KB Output is correct
57 Correct 86 ms 29572 KB Output is correct
58 Correct 89 ms 29576 KB Output is correct
59 Correct 87 ms 29888 KB Output is correct
60 Correct 95 ms 30148 KB Output is correct
61 Correct 84 ms 29584 KB Output is correct
62 Correct 87 ms 29636 KB Output is correct
63 Correct 86 ms 29636 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 30332 KB Output is correct
2 Correct 84 ms 29376 KB Output is correct
3 Correct 83 ms 30596 KB Output is correct
4 Correct 84 ms 29380 KB Output is correct
5 Correct 86 ms 29892 KB Output is correct
6 Correct 96 ms 29376 KB Output is correct
7 Correct 84 ms 30148 KB Output is correct
8 Correct 83 ms 29376 KB Output is correct
9 Correct 82 ms 29316 KB Output is correct
10 Correct 86 ms 29560 KB Output is correct
11 Correct 84 ms 29380 KB Output is correct
12 Correct 83 ms 29388 KB Output is correct
13 Correct 83 ms 29380 KB Output is correct
14 Correct 83 ms 29380 KB Output is correct
15 Correct 83 ms 30148 KB Output is correct
16 Correct 84 ms 29380 KB Output is correct
17 Correct 83 ms 29380 KB Output is correct
18 Correct 83 ms 29376 KB Output is correct
19 Correct 91 ms 30336 KB Output is correct
20 Correct 87 ms 29828 KB Output is correct
21 Correct 90 ms 29312 KB Output is correct
22 Correct 84 ms 29632 KB Output is correct
23 Correct 88 ms 30144 KB Output is correct
24 Correct 83 ms 30400 KB Output is correct
25 Correct 93 ms 29824 KB Output is correct
26 Correct 82 ms 29480 KB Output is correct
27 Correct 86 ms 29560 KB Output is correct
28 Correct 89 ms 30144 KB Output is correct
29 Correct 91 ms 29632 KB Output is correct
30 Correct 87 ms 29644 KB Output is correct
31 Correct 83 ms 29584 KB Output is correct
32 Correct 84 ms 30392 KB Output is correct
33 Correct 84 ms 30344 KB Output is correct
34 Correct 83 ms 30336 KB Output is correct
35 Correct 82 ms 29568 KB Output is correct
36 Correct 93 ms 29724 KB Output is correct
37 Correct 86 ms 29576 KB Output is correct
38 Correct 83 ms 29636 KB Output is correct
39 Correct 85 ms 30660 KB Output is correct
40 Correct 90 ms 29808 KB Output is correct
41 Correct 87 ms 29816 KB Output is correct
42 Correct 91 ms 30156 KB Output is correct
43 Correct 85 ms 29632 KB Output is correct
44 Correct 85 ms 29592 KB Output is correct
45 Correct 86 ms 30656 KB Output is correct
46 Correct 91 ms 29812 KB Output is correct
47 Correct 86 ms 29632 KB Output is correct
48 Correct 87 ms 29640 KB Output is correct
49 Correct 86 ms 30064 KB Output is correct
50 Correct 86 ms 29892 KB Output is correct
51 Correct 86 ms 30064 KB Output is correct
52 Correct 86 ms 29636 KB Output is correct
53 Correct 86 ms 30080 KB Output is correct
54 Correct 86 ms 29892 KB Output is correct
55 Correct 84 ms 29644 KB Output is correct
56 Correct 86 ms 30324 KB Output is correct
57 Correct 86 ms 29572 KB Output is correct
58 Correct 89 ms 29576 KB Output is correct
59 Correct 87 ms 29888 KB Output is correct
60 Correct 95 ms 30148 KB Output is correct
61 Correct 84 ms 29584 KB Output is correct
62 Correct 87 ms 29636 KB Output is correct
63 Correct 86 ms 29636 KB Output is correct
64 Correct 87 ms 29636 KB Output is correct
65 Correct 94 ms 30148 KB Output is correct
66 Correct 87 ms 30144 KB Output is correct
67 Correct 92 ms 29636 KB Output is correct
68 Correct 86 ms 29644 KB Output is correct
69 Correct 86 ms 29636 KB Output is correct
70 Correct 86 ms 30400 KB Output is correct
71 Correct 87 ms 30144 KB Output is correct
72 Correct 86 ms 29888 KB Output is correct
73 Correct 88 ms 30148 KB Output is correct
74 Correct 87 ms 29636 KB Output is correct
75 Correct 88 ms 30404 KB Output is correct
76 Correct 93 ms 29568 KB Output is correct
77 Correct 87 ms 29636 KB Output is correct
78 Correct 96 ms 29820 KB Output is correct
79 Correct 87 ms 30084 KB Output is correct
80 Correct 86 ms 29636 KB Output is correct
81 Correct 85 ms 29588 KB Output is correct
82 Correct 87 ms 29900 KB Output is correct
83 Correct 90 ms 29632 KB Output is correct
84 Correct 89 ms 30656 KB Output is correct