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Submission #1039426

# Submission time Handle Problem Language Result Execution time Memory
1039426 2024-07-30T20:56:22 Z vjudge1 Cubeword (CEOI19_cubeword) C++17
100 / 100
 225 ms 18256 KB 
#include <bits/stdc++.h>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define fi first
#define se second
#define endl "\n"
#define rep(a,b,c) for(int a=b; a<c; a++)
#define rep2(a,b,c,d) for(ll a=b; a<c; a+=d)
#define repr(a,b,c) for(ll a=b-1; a>c-1; a--)
#define repa(a,b) for(const auto &a: b)
#define multicase() int t; cin>>t; while(t--)
#define fastIO() ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define valid(c) cout<<(c ? "YES" : "NO")<<endl;
#define valid2(c,a,b) cout<<(c ? a : b)<<endl;
#define ll long long 
#define pq_min(a) priority_queue<a, vector<a>, greater<a>>
#define pq_max(a) priority_queue<a>
#define pb push_back
#define mid ((l+r)>>1)
#define flush endl<<flush;

using namespace std;

const ll mod=998244353;

int main(){
	fastIO();
	int n;
	cin>>n;
	string s;
	set<string> st;
	ll t[11][62][62]{};
	map<char,int> val;
	rep(i,0,26){
		val[i+'a']=i;
		val[i+'A']=i+26;
	}
	rep(i,0,10) val[i+'0']=i+52;
	rep(i,0,n){
		cin>>s;
		st.insert(s);
		reverse(s.begin(),s.end());
		st.insert(s);
	}
	repa(e,st) t[e.size()][val[e[0]]][val[e.back()]]++;
	ll ans=0;
	rep(z,3,11){
		ll C[62][62][62]{};
		rep(i,0,62) rep(j,i,62) rep(k,j,62) rep(l,0,62){
			if(!t[i][l] || !t[k][l] || !t[j][l]) continue;
			C[i][j][k]+=t[z][i][l]*t[z][j][l]%mod*t[z][k][l]%mod;
			C[i][j][k]%=mod;
			C[i][k][j]=C[j][i][k]=C[j][k][i]=C[k][i][j]=C[k][j][i]=C[i][j][k];
		}
		rep(i,0,62) rep(j,i,62) rep(k,j,62) rep(l,k,62){
			if(!C[i][j][k] || !C[i][j][l] || !C[i][k][l] || !C[j][k][l]) continue;
			int a[4]={1,1,1,1}, p;
			if(i==j) a[1]+=a[0];
			if(j==k) a[2]+=a[1];
			if(k==l) a[3]+=a[2];
			p=24/(a[0]*a[1]*a[2]*a[3]);
			ans+=C[i][j][k]*C[i][j][l]%mod*C[i][k][l]%mod*C[j][k][l]%mod*p%mod;
			ans%=mod;
		}
	}
	cout<<ans<<endl;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 16980 KB Output is correct
2 Correct 157 ms 16932 KB Output is correct
3 Correct 191 ms 16872 KB Output is correct
4 Correct 162 ms 16980 KB Output is correct
5 Correct 163 ms 16976 KB Output is correct
6 Correct 208 ms 16976 KB Output is correct
7 Correct 161 ms 16980 KB Output is correct
8 Correct 161 ms 16984 KB Output is correct
9 Correct 181 ms 17232 KB Output is correct
10 Correct 156 ms 16980 KB Output is correct
11 Correct 162 ms 16976 KB Output is correct
12 Correct 172 ms 16916 KB Output is correct
13 Correct 169 ms 16976 KB Output is correct
14 Correct 163 ms 16904 KB Output is correct
15 Correct 183 ms 16980 KB Output is correct
16 Correct 157 ms 16980 KB Output is correct
17 Correct 161 ms 16976 KB Output is correct
18 Correct 200 ms 16976 KB Output is correct
19 Correct 177 ms 16976 KB Output is correct
20 Correct 178 ms 16976 KB Output is correct
21 Correct 164 ms 16976 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 16980 KB Output is correct
2 Correct 157 ms 16932 KB Output is correct
3 Correct 191 ms 16872 KB Output is correct
4 Correct 162 ms 16980 KB Output is correct
5 Correct 163 ms 16976 KB Output is correct
6 Correct 208 ms 16976 KB Output is correct
7 Correct 161 ms 16980 KB Output is correct
8 Correct 161 ms 16984 KB Output is correct
9 Correct 181 ms 17232 KB Output is correct
10 Correct 156 ms 16980 KB Output is correct
11 Correct 162 ms 16976 KB Output is correct
12 Correct 172 ms 16916 KB Output is correct
13 Correct 169 ms 16976 KB Output is correct
14 Correct 163 ms 16904 KB Output is correct
15 Correct 183 ms 16980 KB Output is correct
16 Correct 157 ms 16980 KB Output is correct
17 Correct 161 ms 16976 KB Output is correct
18 Correct 200 ms 16976 KB Output is correct
19 Correct 177 ms 16976 KB Output is correct
20 Correct 178 ms 16976 KB Output is correct
21 Correct 164 ms 16976 KB Output is correct
22 Correct 178 ms 17744 KB Output is correct
23 Correct 210 ms 17748 KB Output is correct
24 Correct 170 ms 17700 KB Output is correct
25 Correct 171 ms 17744 KB Output is correct
26 Correct 174 ms 17560 KB Output is correct
27 Correct 170 ms 17540 KB Output is correct
28 Correct 165 ms 17740 KB Output is correct
29 Correct 168 ms 17688 KB Output is correct
30 Correct 163 ms 17548 KB Output is correct
31 Correct 173 ms 17748 KB Output is correct
32 Correct 178 ms 17744 KB Output is correct
33 Correct 169 ms 17744 KB Output is correct
34 Correct 167 ms 18000 KB Output is correct
35 Correct 173 ms 17676 KB Output is correct
36 Correct 163 ms 17780 KB Output is correct
37 Correct 173 ms 17588 KB Output is correct
38 Correct 165 ms 17700 KB Output is correct
39 Correct 186 ms 17748 KB Output is correct
40 Correct 185 ms 17668 KB Output is correct
41 Correct 166 ms 17744 KB Output is correct
42 Correct 174 ms 17776 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 16980 KB Output is correct
2 Correct 157 ms 16932 KB Output is correct
3 Correct 191 ms 16872 KB Output is correct
4 Correct 162 ms 16980 KB Output is correct
5 Correct 163 ms 16976 KB Output is correct
6 Correct 208 ms 16976 KB Output is correct
7 Correct 161 ms 16980 KB Output is correct
8 Correct 161 ms 16984 KB Output is correct
9 Correct 181 ms 17232 KB Output is correct
10 Correct 156 ms 16980 KB Output is correct
11 Correct 162 ms 16976 KB Output is correct
12 Correct 172 ms 16916 KB Output is correct
13 Correct 169 ms 16976 KB Output is correct
14 Correct 163 ms 16904 KB Output is correct
15 Correct 183 ms 16980 KB Output is correct
16 Correct 157 ms 16980 KB Output is correct
17 Correct 161 ms 16976 KB Output is correct
18 Correct 200 ms 16976 KB Output is correct
19 Correct 177 ms 16976 KB Output is correct
20 Correct 178 ms 16976 KB Output is correct
21 Correct 164 ms 16976 KB Output is correct
22 Correct 178 ms 17744 KB Output is correct
23 Correct 210 ms 17748 KB Output is correct
24 Correct 170 ms 17700 KB Output is correct
25 Correct 171 ms 17744 KB Output is correct
26 Correct 174 ms 17560 KB Output is correct
27 Correct 170 ms 17540 KB Output is correct
28 Correct 165 ms 17740 KB Output is correct
29 Correct 168 ms 17688 KB Output is correct
30 Correct 163 ms 17548 KB Output is correct
31 Correct 173 ms 17748 KB Output is correct
32 Correct 178 ms 17744 KB Output is correct
33 Correct 169 ms 17744 KB Output is correct
34 Correct 167 ms 18000 KB Output is correct
35 Correct 173 ms 17676 KB Output is correct
36 Correct 163 ms 17780 KB Output is correct
37 Correct 173 ms 17588 KB Output is correct
38 Correct 165 ms 17700 KB Output is correct
39 Correct 186 ms 17748 KB Output is correct
40 Correct 185 ms 17668 KB Output is correct
41 Correct 166 ms 17744 KB Output is correct
42 Correct 174 ms 17776 KB Output is correct
43 Correct 194 ms 17836 KB Output is correct
44 Correct 211 ms 17972 KB Output is correct
45 Correct 217 ms 17744 KB Output is correct
46 Correct 169 ms 17972 KB Output is correct
47 Correct 183 ms 17744 KB Output is correct
48 Correct 180 ms 17744 KB Output is correct
49 Correct 174 ms 17848 KB Output is correct
50 Correct 175 ms 17744 KB Output is correct
51 Correct 173 ms 17748 KB Output is correct
52 Correct 168 ms 17952 KB Output is correct
53 Correct 164 ms 17744 KB Output is correct
54 Correct 178 ms 17744 KB Output is correct
55 Correct 167 ms 17744 KB Output is correct
56 Correct 185 ms 17744 KB Output is correct
57 Correct 186 ms 17744 KB Output is correct
58 Correct 164 ms 17744 KB Output is correct
59 Correct 175 ms 17744 KB Output is correct
60 Correct 187 ms 18000 KB Output is correct
61 Correct 175 ms 17748 KB Output is correct
62 Correct 165 ms 18064 KB Output is correct
63 Correct 174 ms 17864 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 16980 KB Output is correct
2 Correct 157 ms 16932 KB Output is correct
3 Correct 191 ms 16872 KB Output is correct
4 Correct 162 ms 16980 KB Output is correct
5 Correct 163 ms 16976 KB Output is correct
6 Correct 208 ms 16976 KB Output is correct
7 Correct 161 ms 16980 KB Output is correct
8 Correct 161 ms 16984 KB Output is correct
9 Correct 181 ms 17232 KB Output is correct
10 Correct 156 ms 16980 KB Output is correct
11 Correct 162 ms 16976 KB Output is correct
12 Correct 172 ms 16916 KB Output is correct
13 Correct 169 ms 16976 KB Output is correct
14 Correct 163 ms 16904 KB Output is correct
15 Correct 183 ms 16980 KB Output is correct
16 Correct 157 ms 16980 KB Output is correct
17 Correct 161 ms 16976 KB Output is correct
18 Correct 200 ms 16976 KB Output is correct
19 Correct 177 ms 16976 KB Output is correct
20 Correct 178 ms 16976 KB Output is correct
21 Correct 164 ms 16976 KB Output is correct
22 Correct 178 ms 17744 KB Output is correct
23 Correct 210 ms 17748 KB Output is correct
24 Correct 170 ms 17700 KB Output is correct
25 Correct 171 ms 17744 KB Output is correct
26 Correct 174 ms 17560 KB Output is correct
27 Correct 170 ms 17540 KB Output is correct
28 Correct 165 ms 17740 KB Output is correct
29 Correct 168 ms 17688 KB Output is correct
30 Correct 163 ms 17548 KB Output is correct
31 Correct 173 ms 17748 KB Output is correct
32 Correct 178 ms 17744 KB Output is correct
33 Correct 169 ms 17744 KB Output is correct
34 Correct 167 ms 18000 KB Output is correct
35 Correct 173 ms 17676 KB Output is correct
36 Correct 163 ms 17780 KB Output is correct
37 Correct 173 ms 17588 KB Output is correct
38 Correct 165 ms 17700 KB Output is correct
39 Correct 186 ms 17748 KB Output is correct
40 Correct 185 ms 17668 KB Output is correct
41 Correct 166 ms 17744 KB Output is correct
42 Correct 174 ms 17776 KB Output is correct
43 Correct 194 ms 17836 KB Output is correct
44 Correct 211 ms 17972 KB Output is correct
45 Correct 217 ms 17744 KB Output is correct
46 Correct 169 ms 17972 KB Output is correct
47 Correct 183 ms 17744 KB Output is correct
48 Correct 180 ms 17744 KB Output is correct
49 Correct 174 ms 17848 KB Output is correct
50 Correct 175 ms 17744 KB Output is correct
51 Correct 173 ms 17748 KB Output is correct
52 Correct 168 ms 17952 KB Output is correct
53 Correct 164 ms 17744 KB Output is correct
54 Correct 178 ms 17744 KB Output is correct
55 Correct 167 ms 17744 KB Output is correct
56 Correct 185 ms 17744 KB Output is correct
57 Correct 186 ms 17744 KB Output is correct
58 Correct 164 ms 17744 KB Output is correct
59 Correct 175 ms 17744 KB Output is correct
60 Correct 187 ms 18000 KB Output is correct
61 Correct 175 ms 17748 KB Output is correct
62 Correct 165 ms 18064 KB Output is correct
63 Correct 174 ms 17864 KB Output is correct
64 Correct 205 ms 17976 KB Output is correct
65 Correct 200 ms 18000 KB Output is correct
66 Correct 220 ms 18220 KB Output is correct
67 Correct 208 ms 18080 KB Output is correct
68 Correct 206 ms 18092 KB Output is correct
69 Correct 225 ms 18256 KB Output is correct
70 Correct 197 ms 18144 KB Output is correct
71 Correct 215 ms 18000 KB Output is correct
72 Correct 198 ms 18004 KB Output is correct
73 Correct 206 ms 18144 KB Output is correct
74 Correct 205 ms 18192 KB Output is correct
75 Correct 212 ms 18004 KB Output is correct
76 Correct 216 ms 18000 KB Output is correct
77 Correct 217 ms 18216 KB Output is correct
78 Correct 207 ms 18152 KB Output is correct
79 Correct 215 ms 18000 KB Output is correct
80 Correct 214 ms 18188 KB Output is correct
81 Correct 204 ms 18092 KB Output is correct
82 Correct 208 ms 18084 KB Output is correct
83 Correct 211 ms 18004 KB Output is correct
84 Correct 208 ms 18000 KB Output is correct