Submission #379377

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
379377	2021-03-18T04:55:29 Z	YJU	Cubeword (CEOI19_cubeword)	C++14	100 / 100	340 ms	17232 KB

cubeword

#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector,Ofast")
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef long double ld;
const ll N=62;
const ll MOD=998244353;
const ll INF=(1LL<<58);
const ld pi=acos(-1);
#define REP(i,n) for(int i=0;i<n;++i)
#define REP1(i,n) for(int i=1;i<=n;++i)
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()
#define ALL(_a) _a.begin(),_a.end()
 
ll ans,cnt[11][N][N],n,ccc[11][N][N][N],fac[5],is[N];
string s;
vector<string> v;
 
ll rev(char ch){
	if('a'<=ch&&ch<='z')return (ll)ch-'a';
	if('A'<=ch&&ch<='Z')return (ll)26+ch-'A';
	return (ll)52+ch-'0';
}
 
int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	fac[0]=1;
	REP1(i,4)fac[i]=fac[i-1]*i;
	cin>>n;
	REP(i,n){
		cin>>s;
		v.pb(s);
		reverse(s.begin(),s.end());
		v.pb(s);
	}
	sort(v.begin(),v.end());
	v.erase(unique(v.begin(),v.end()),v.end());
    for(auto i:v){
        ++cnt[SZ(i)][rev(i[0])][rev(i[SZ(i)-1])];
    }
    for(int len=3;len<=10;++len){
        REP(i,N)REP(j,i+1)REP(k,j+1){
			REP(chose,N){
				ccc[len][i][j][k]+=cnt[len][i][chose]*cnt[len][j][chose]*cnt[len][k][chose]%MOD;
				if(ccc[len][i][j][k]>=MOD)ccc[len][i][j][k]-=MOD;
			}
        }
    }
    for(int len=3;len<=10;++len){
		REP(i,N)REP(j,i+1)REP(k,j+1)REP(l,k+1){
            ++is[i];++is[j];++is[k];++is[l];
            ll val=fac[4];
            if(is[i])val/=fac[is[i]],is[i]=0;
            if(is[j])val/=fac[is[j]],is[j]=0;
            if(is[k])val/=fac[is[k]],is[k]=0;
            if(is[l])val/=fac[is[l]],is[l]=0;
 
			ll a=ccc[len][i][j][k],b=ccc[len][i][j][l],c=ccc[len][i][k][l],d=ccc[len][j][k][l];
			ans+=(a*b%MOD*c%MOD*d%MOD)*val;
			ans%=MOD;
		}
    }
    cout<<ans<<"\n";
	return 0;
}

Subtask #1
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	328 ms	17232 KB	Output is correct
2	Correct	339 ms	16976 KB	Output is correct
3	Correct	309 ms	16976 KB	Output is correct
4	Correct	310 ms	16976 KB	Output is correct
5	Correct	316 ms	16976 KB	Output is correct
6	Correct	309 ms	16976 KB	Output is correct
7	Correct	314 ms	17004 KB	Output is correct
8	Correct	324 ms	16976 KB	Output is correct
9	Correct	314 ms	16976 KB	Output is correct
10	Correct	324 ms	17104 KB	Output is correct
11	Correct	316 ms	16976 KB	Output is correct
12	Correct	310 ms	16976 KB	Output is correct
13	Correct	318 ms	16976 KB	Output is correct
14	Correct	325 ms	16976 KB	Output is correct
15	Correct	311 ms	16976 KB	Output is correct
16	Correct	312 ms	17104 KB	Output is correct
17	Correct	310 ms	16976 KB	Output is correct
18	Correct	311 ms	16976 KB	Output is correct
19	Correct	306 ms	16976 KB	Output is correct
20	Correct	310 ms	16976 KB	Output is correct
21	Correct	328 ms	16904 KB	Output is correct

Subtask #2
29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	328 ms	17232 KB	Output is correct
2	Correct	339 ms	16976 KB	Output is correct
3	Correct	309 ms	16976 KB	Output is correct
4	Correct	310 ms	16976 KB	Output is correct
5	Correct	316 ms	16976 KB	Output is correct
6	Correct	309 ms	16976 KB	Output is correct
7	Correct	314 ms	17004 KB	Output is correct
8	Correct	324 ms	16976 KB	Output is correct
9	Correct	314 ms	16976 KB	Output is correct
10	Correct	324 ms	17104 KB	Output is correct
11	Correct	316 ms	16976 KB	Output is correct
12	Correct	310 ms	16976 KB	Output is correct
13	Correct	318 ms	16976 KB	Output is correct
14	Correct	325 ms	16976 KB	Output is correct
15	Correct	311 ms	16976 KB	Output is correct
16	Correct	312 ms	17104 KB	Output is correct
17	Correct	310 ms	16976 KB	Output is correct
18	Correct	311 ms	16976 KB	Output is correct
19	Correct	306 ms	16976 KB	Output is correct
20	Correct	310 ms	16976 KB	Output is correct
21	Correct	328 ms	16904 KB	Output is correct
22	Correct	312 ms	16848 KB	Output is correct
23	Correct	305 ms	16848 KB	Output is correct
24	Correct	307 ms	16944 KB	Output is correct
25	Correct	340 ms	16908 KB	Output is correct
26	Correct	312 ms	16976 KB	Output is correct
27	Correct	309 ms	16848 KB	Output is correct
28	Correct	337 ms	16944 KB	Output is correct
29	Correct	307 ms	16976 KB	Output is correct
30	Correct	318 ms	16876 KB	Output is correct
31	Correct	316 ms	16976 KB	Output is correct
32	Correct	307 ms	17104 KB	Output is correct
33	Correct	314 ms	16976 KB	Output is correct
34	Correct	319 ms	16848 KB	Output is correct
35	Correct	312 ms	16976 KB	Output is correct
36	Correct	311 ms	16976 KB	Output is correct
37	Correct	309 ms	16976 KB	Output is correct
38	Correct	312 ms	16848 KB	Output is correct
39	Correct	314 ms	16976 KB	Output is correct
40	Correct	323 ms	16976 KB	Output is correct
41	Correct	306 ms	16848 KB	Output is correct
42	Correct	319 ms	17000 KB	Output is correct

Subtask #3
34.0 / 34.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	328 ms	17232 KB	Output is correct
2	Correct	339 ms	16976 KB	Output is correct
3	Correct	309 ms	16976 KB	Output is correct
4	Correct	310 ms	16976 KB	Output is correct
5	Correct	316 ms	16976 KB	Output is correct
6	Correct	309 ms	16976 KB	Output is correct
7	Correct	314 ms	17004 KB	Output is correct
8	Correct	324 ms	16976 KB	Output is correct
9	Correct	314 ms	16976 KB	Output is correct
10	Correct	324 ms	17104 KB	Output is correct
11	Correct	316 ms	16976 KB	Output is correct
12	Correct	310 ms	16976 KB	Output is correct
13	Correct	318 ms	16976 KB	Output is correct
14	Correct	325 ms	16976 KB	Output is correct
15	Correct	311 ms	16976 KB	Output is correct
16	Correct	312 ms	17104 KB	Output is correct
17	Correct	310 ms	16976 KB	Output is correct
18	Correct	311 ms	16976 KB	Output is correct
19	Correct	306 ms	16976 KB	Output is correct
20	Correct	310 ms	16976 KB	Output is correct
21	Correct	328 ms	16904 KB	Output is correct
22	Correct	312 ms	16848 KB	Output is correct
23	Correct	305 ms	16848 KB	Output is correct
24	Correct	307 ms	16944 KB	Output is correct
25	Correct	340 ms	16908 KB	Output is correct
26	Correct	312 ms	16976 KB	Output is correct
27	Correct	309 ms	16848 KB	Output is correct
28	Correct	337 ms	16944 KB	Output is correct
29	Correct	307 ms	16976 KB	Output is correct
30	Correct	318 ms	16876 KB	Output is correct
31	Correct	316 ms	16976 KB	Output is correct
32	Correct	307 ms	17104 KB	Output is correct
33	Correct	314 ms	16976 KB	Output is correct
34	Correct	319 ms	16848 KB	Output is correct
35	Correct	312 ms	16976 KB	Output is correct
36	Correct	311 ms	16976 KB	Output is correct
37	Correct	309 ms	16976 KB	Output is correct
38	Correct	312 ms	16848 KB	Output is correct
39	Correct	314 ms	16976 KB	Output is correct
40	Correct	323 ms	16976 KB	Output is correct
41	Correct	306 ms	16848 KB	Output is correct
42	Correct	319 ms	17000 KB	Output is correct
43	Correct	325 ms	16976 KB	Output is correct
44	Correct	311 ms	16944 KB	Output is correct
45	Correct	309 ms	16976 KB	Output is correct
46	Correct	311 ms	16976 KB	Output is correct
47	Correct	305 ms	16976 KB	Output is correct
48	Correct	310 ms	16976 KB	Output is correct
49	Correct	309 ms	16956 KB	Output is correct
50	Correct	305 ms	16976 KB	Output is correct
51	Correct	306 ms	16976 KB	Output is correct
52	Correct	330 ms	16976 KB	Output is correct
53	Correct	307 ms	16976 KB	Output is correct
54	Correct	308 ms	16976 KB	Output is correct
55	Correct	319 ms	17104 KB	Output is correct
56	Correct	313 ms	16916 KB	Output is correct
57	Correct	311 ms	16976 KB	Output is correct
58	Correct	310 ms	16976 KB	Output is correct
59	Correct	314 ms	16976 KB	Output is correct
60	Correct	316 ms	17108 KB	Output is correct
61	Correct	309 ms	16976 KB	Output is correct
62	Correct	305 ms	16976 KB	Output is correct
63	Correct	319 ms	16976 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	328 ms	17232 KB	Output is correct
2	Correct	339 ms	16976 KB	Output is correct
3	Correct	309 ms	16976 KB	Output is correct
4	Correct	310 ms	16976 KB	Output is correct
5	Correct	316 ms	16976 KB	Output is correct
6	Correct	309 ms	16976 KB	Output is correct
7	Correct	314 ms	17004 KB	Output is correct
8	Correct	324 ms	16976 KB	Output is correct
9	Correct	314 ms	16976 KB	Output is correct
10	Correct	324 ms	17104 KB	Output is correct
11	Correct	316 ms	16976 KB	Output is correct
12	Correct	310 ms	16976 KB	Output is correct
13	Correct	318 ms	16976 KB	Output is correct
14	Correct	325 ms	16976 KB	Output is correct
15	Correct	311 ms	16976 KB	Output is correct
16	Correct	312 ms	17104 KB	Output is correct
17	Correct	310 ms	16976 KB	Output is correct
18	Correct	311 ms	16976 KB	Output is correct
19	Correct	306 ms	16976 KB	Output is correct
20	Correct	310 ms	16976 KB	Output is correct
21	Correct	328 ms	16904 KB	Output is correct
22	Correct	312 ms	16848 KB	Output is correct
23	Correct	305 ms	16848 KB	Output is correct
24	Correct	307 ms	16944 KB	Output is correct
25	Correct	340 ms	16908 KB	Output is correct
26	Correct	312 ms	16976 KB	Output is correct
27	Correct	309 ms	16848 KB	Output is correct
28	Correct	337 ms	16944 KB	Output is correct
29	Correct	307 ms	16976 KB	Output is correct
30	Correct	318 ms	16876 KB	Output is correct
31	Correct	316 ms	16976 KB	Output is correct
32	Correct	307 ms	17104 KB	Output is correct
33	Correct	314 ms	16976 KB	Output is correct
34	Correct	319 ms	16848 KB	Output is correct
35	Correct	312 ms	16976 KB	Output is correct
36	Correct	311 ms	16976 KB	Output is correct
37	Correct	309 ms	16976 KB	Output is correct
38	Correct	312 ms	16848 KB	Output is correct
39	Correct	314 ms	16976 KB	Output is correct
40	Correct	323 ms	16976 KB	Output is correct
41	Correct	306 ms	16848 KB	Output is correct
42	Correct	319 ms	17000 KB	Output is correct
43	Correct	325 ms	16976 KB	Output is correct
44	Correct	311 ms	16944 KB	Output is correct
45	Correct	309 ms	16976 KB	Output is correct
46	Correct	311 ms	16976 KB	Output is correct
47	Correct	305 ms	16976 KB	Output is correct
48	Correct	310 ms	16976 KB	Output is correct
49	Correct	309 ms	16956 KB	Output is correct
50	Correct	305 ms	16976 KB	Output is correct
51	Correct	306 ms	16976 KB	Output is correct
52	Correct	330 ms	16976 KB	Output is correct
53	Correct	307 ms	16976 KB	Output is correct
54	Correct	308 ms	16976 KB	Output is correct
55	Correct	319 ms	17104 KB	Output is correct
56	Correct	313 ms	16916 KB	Output is correct
57	Correct	311 ms	16976 KB	Output is correct
58	Correct	310 ms	16976 KB	Output is correct
59	Correct	314 ms	16976 KB	Output is correct
60	Correct	316 ms	17108 KB	Output is correct
61	Correct	309 ms	16976 KB	Output is correct
62	Correct	305 ms	16976 KB	Output is correct
63	Correct	319 ms	16976 KB	Output is correct
64	Correct	304 ms	16976 KB	Output is correct
65	Correct	304 ms	17016 KB	Output is correct
66	Correct	310 ms	16976 KB	Output is correct
67	Correct	313 ms	17068 KB	Output is correct
68	Correct	305 ms	16976 KB	Output is correct
69	Correct	311 ms	17020 KB	Output is correct
70	Correct	305 ms	17104 KB	Output is correct
71	Correct	320 ms	16976 KB	Output is correct
72	Correct	335 ms	16976 KB	Output is correct
73	Correct	305 ms	16976 KB	Output is correct
74	Correct	318 ms	17104 KB	Output is correct
75	Correct	336 ms	17036 KB	Output is correct
76	Correct	310 ms	16976 KB	Output is correct
77	Correct	309 ms	16976 KB	Output is correct
78	Correct	306 ms	17104 KB	Output is correct
79	Correct	314 ms	17040 KB	Output is correct
80	Correct	313 ms	16976 KB	Output is correct
81	Correct	307 ms	17036 KB	Output is correct
82	Correct	311 ms	16976 KB	Output is correct
83	Correct	307 ms	17036 KB	Output is correct
84	Correct	313 ms	16976 KB	Output is correct

Submission #379377

Compilation message

Subtask #1 21.0 / 21.0

Subtask #2 29.0 / 29.0

Subtask #3 34.0 / 34.0

Subtask #4 16.0 / 16.0

Subtask #1
21.0 / 21.0

Subtask #2
29.0 / 29.0

Subtask #3
34.0 / 34.0

Subtask #4
16.0 / 16.0