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Submission #898835

# Submission time Handle Problem Language Result Execution time Memory
898835 2024-01-05T07:40:34 Z Alish Cubeword (CEOI19_cubeword) C++17
100 / 100
 560 ms 19128 KB 
#include<bits/stdc++.h>

#pragma GCC optimize("O3")
#pragma GCC target("sse4")

using namespace std;

typedef long long           ll;
typedef pair<int, int>      pii;
typedef pair<ll, ll>        pll;
typedef long double         ld;


#define endl                '\n'
#define pb                  push_back
#define all(x)              x.begin(), x.end()
#define F                   first
#define S                   second
#define fast_io             ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define debug(x)            cerr<<#x<<" "<<x<<endl;

ll mod = 998244353;

const int N = 1e6+23, S= 63;
ll ans=0;
ll num[S][S][S];
ll cnt[11][S][S];
set<string> st[11];
int n;

ll power(ll a, ll b){
    ll ans=1;
    a%=mod;
    while(b){
        if(b&1) ans=ans*a%mod;
        b>>=1;
        a=a*a%mod;
    }
    return ans;
}

int get(char c){
    if(c>='a' && c<='z'){
        int t=c-'a';
        return t;
    }
    if(c>='A' && c<='Z'){
        int t=c-'A';
        t+=26;
        return t;
    }
    int t=c-'0';
    t+=52;
    return t;
}

ll za(int a, int b, int c, int d){
    if(a==b && b==c && c==d) return 1;
    if(a!=b && b==c && c==d) return 4;
    if(a==b && b==c && c!=d) return 4;
    if(a==b && b!=c && c==d) return 6;
    if(a!=b && b!=c && c==d) return 12;
    if(a!=b && b==c && c!=d) return 12;
    if(a==b && b!=c && c!=d) return 12;
    if(a!=b && b!=c && c!=d) return 24;
}

int main()
{
    fast_io
    cin>>n;
    for (int i=0; i<n; i++){
        string s; cin>>s;
        st[s.size()].insert(s);
        reverse(all(s));
        st[s.size()].insert(s);
    }

    for (int i=3; i<=10; i++){
        for (string s : st[i]){
            char c=s.back();
            int t=get(c);
            c=s[0];
            int r=get(c);
            cnt[i][r][t]++;
        }
        for (int a=0; a<S; a++) for (int b=a; b<S; b++) for (int c=b; c<S; c++) num[a][b][c]=0;
        for (int a=0; a<S; a++) for (int b=a; b<S; b++) for (int c=b; c<S; c++) for (int x=0; x<S; x++)num[a][b][c]=(num[a][b][c]+cnt[i][x][a]*cnt[i][x][b]%mod*cnt[i][x][c]%mod)%mod;
        for (int a=0; a<S; a++) for (int b=a; b<S; b++) for (int c=b; c<S; c++) for (int d=c; d<S; d++) {
            ll temp = (num[a][b][c]*num[a][b][d]%mod*num[a][c][d]%mod*num[b][c][d]%mod)%mod;
            temp=temp*za(a, b, c, d)%mod;
            ans=(ans+temp)%mod;
        }
    }
    cout<<ans<<endl;

}

Compilation message

cubeword.cpp: In function 'll za(int, int, int, int)':
cubeword.cpp:66:1: warning: control reaches end of non-void function [-Wreturn-type]
   66 | }
      | ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 518 ms 17784 KB Output is correct
2 Correct 493 ms 17764 KB Output is correct
3 Correct 502 ms 17628 KB Output is correct
4 Correct 494 ms 17752 KB Output is correct
5 Correct 502 ms 17780 KB Output is correct
6 Correct 499 ms 17772 KB Output is correct
7 Correct 501 ms 18000 KB Output is correct
8 Correct 503 ms 18004 KB Output is correct
9 Correct 500 ms 17764 KB Output is correct
10 Correct 511 ms 17784 KB Output is correct
11 Correct 495 ms 17748 KB Output is correct
12 Correct 515 ms 17708 KB Output is correct
13 Correct 502 ms 17784 KB Output is correct
14 Correct 493 ms 17776 KB Output is correct
15 Correct 503 ms 17744 KB Output is correct
16 Correct 500 ms 18000 KB Output is correct
17 Correct 504 ms 17664 KB Output is correct
18 Correct 504 ms 17756 KB Output is correct
19 Correct 499 ms 18000 KB Output is correct
20 Correct 492 ms 17748 KB Output is correct
21 Correct 509 ms 18004 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 518 ms 17784 KB Output is correct
2 Correct 493 ms 17764 KB Output is correct
3 Correct 502 ms 17628 KB Output is correct
4 Correct 494 ms 17752 KB Output is correct
5 Correct 502 ms 17780 KB Output is correct
6 Correct 499 ms 17772 KB Output is correct
7 Correct 501 ms 18000 KB Output is correct
8 Correct 503 ms 18004 KB Output is correct
9 Correct 500 ms 17764 KB Output is correct
10 Correct 511 ms 17784 KB Output is correct
11 Correct 495 ms 17748 KB Output is correct
12 Correct 515 ms 17708 KB Output is correct
13 Correct 502 ms 17784 KB Output is correct
14 Correct 493 ms 17776 KB Output is correct
15 Correct 503 ms 17744 KB Output is correct
16 Correct 500 ms 18000 KB Output is correct
17 Correct 504 ms 17664 KB Output is correct
18 Correct 504 ms 17756 KB Output is correct
19 Correct 499 ms 18000 KB Output is correct
20 Correct 492 ms 17748 KB Output is correct
21 Correct 509 ms 18004 KB Output is correct
22 Correct 509 ms 18456 KB Output is correct
23 Correct 500 ms 18512 KB Output is correct
24 Correct 507 ms 18516 KB Output is correct
25 Correct 501 ms 18256 KB Output is correct
26 Correct 504 ms 18260 KB Output is correct
27 Correct 503 ms 18512 KB Output is correct
28 Correct 503 ms 18436 KB Output is correct
29 Correct 503 ms 17684 KB Output is correct
30 Correct 499 ms 17676 KB Output is correct
31 Correct 508 ms 17676 KB Output is correct
32 Correct 520 ms 17720 KB Output is correct
33 Correct 500 ms 17916 KB Output is correct
34 Correct 492 ms 17680 KB Output is correct
35 Correct 511 ms 17648 KB Output is correct
36 Correct 500 ms 17664 KB Output is correct
37 Correct 528 ms 17676 KB Output is correct
38 Correct 499 ms 17740 KB Output is correct
39 Correct 503 ms 17488 KB Output is correct
40 Correct 502 ms 17476 KB Output is correct
41 Correct 529 ms 17748 KB Output is correct
42 Correct 503 ms 17684 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 518 ms 17784 KB Output is correct
2 Correct 493 ms 17764 KB Output is correct
3 Correct 502 ms 17628 KB Output is correct
4 Correct 494 ms 17752 KB Output is correct
5 Correct 502 ms 17780 KB Output is correct
6 Correct 499 ms 17772 KB Output is correct
7 Correct 501 ms 18000 KB Output is correct
8 Correct 503 ms 18004 KB Output is correct
9 Correct 500 ms 17764 KB Output is correct
10 Correct 511 ms 17784 KB Output is correct
11 Correct 495 ms 17748 KB Output is correct
12 Correct 515 ms 17708 KB Output is correct
13 Correct 502 ms 17784 KB Output is correct
14 Correct 493 ms 17776 KB Output is correct
15 Correct 503 ms 17744 KB Output is correct
16 Correct 500 ms 18000 KB Output is correct
17 Correct 504 ms 17664 KB Output is correct
18 Correct 504 ms 17756 KB Output is correct
19 Correct 499 ms 18000 KB Output is correct
20 Correct 492 ms 17748 KB Output is correct
21 Correct 509 ms 18004 KB Output is correct
22 Correct 509 ms 18456 KB Output is correct
23 Correct 500 ms 18512 KB Output is correct
24 Correct 507 ms 18516 KB Output is correct
25 Correct 501 ms 18256 KB Output is correct
26 Correct 504 ms 18260 KB Output is correct
27 Correct 503 ms 18512 KB Output is correct
28 Correct 503 ms 18436 KB Output is correct
29 Correct 503 ms 17684 KB Output is correct
30 Correct 499 ms 17676 KB Output is correct
31 Correct 508 ms 17676 KB Output is correct
32 Correct 520 ms 17720 KB Output is correct
33 Correct 500 ms 17916 KB Output is correct
34 Correct 492 ms 17680 KB Output is correct
35 Correct 511 ms 17648 KB Output is correct
36 Correct 500 ms 17664 KB Output is correct
37 Correct 528 ms 17676 KB Output is correct
38 Correct 499 ms 17740 KB Output is correct
39 Correct 503 ms 17488 KB Output is correct
40 Correct 502 ms 17476 KB Output is correct
41 Correct 529 ms 17748 KB Output is correct
42 Correct 503 ms 17684 KB Output is correct
43 Correct 520 ms 17884 KB Output is correct
44 Correct 530 ms 17936 KB Output is correct
45 Correct 544 ms 18124 KB Output is correct
46 Correct 518 ms 17916 KB Output is correct
47 Correct 541 ms 17920 KB Output is correct
48 Correct 526 ms 17804 KB Output is correct
49 Correct 527 ms 17884 KB Output is correct
50 Correct 534 ms 17972 KB Output is correct
51 Correct 535 ms 17916 KB Output is correct
52 Correct 528 ms 17816 KB Output is correct
53 Correct 508 ms 17920 KB Output is correct
54 Correct 502 ms 17744 KB Output is correct
55 Correct 510 ms 17748 KB Output is correct
56 Correct 518 ms 17920 KB Output is correct
57 Correct 506 ms 17748 KB Output is correct
58 Correct 510 ms 17876 KB Output is correct
59 Correct 508 ms 18256 KB Output is correct
60 Correct 527 ms 17912 KB Output is correct
61 Correct 509 ms 18076 KB Output is correct
62 Correct 504 ms 17908 KB Output is correct
63 Correct 503 ms 17744 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 518 ms 17784 KB Output is correct
2 Correct 493 ms 17764 KB Output is correct
3 Correct 502 ms 17628 KB Output is correct
4 Correct 494 ms 17752 KB Output is correct
5 Correct 502 ms 17780 KB Output is correct
6 Correct 499 ms 17772 KB Output is correct
7 Correct 501 ms 18000 KB Output is correct
8 Correct 503 ms 18004 KB Output is correct
9 Correct 500 ms 17764 KB Output is correct
10 Correct 511 ms 17784 KB Output is correct
11 Correct 495 ms 17748 KB Output is correct
12 Correct 515 ms 17708 KB Output is correct
13 Correct 502 ms 17784 KB Output is correct
14 Correct 493 ms 17776 KB Output is correct
15 Correct 503 ms 17744 KB Output is correct
16 Correct 500 ms 18000 KB Output is correct
17 Correct 504 ms 17664 KB Output is correct
18 Correct 504 ms 17756 KB Output is correct
19 Correct 499 ms 18000 KB Output is correct
20 Correct 492 ms 17748 KB Output is correct
21 Correct 509 ms 18004 KB Output is correct
22 Correct 509 ms 18456 KB Output is correct
23 Correct 500 ms 18512 KB Output is correct
24 Correct 507 ms 18516 KB Output is correct
25 Correct 501 ms 18256 KB Output is correct
26 Correct 504 ms 18260 KB Output is correct
27 Correct 503 ms 18512 KB Output is correct
28 Correct 503 ms 18436 KB Output is correct
29 Correct 503 ms 17684 KB Output is correct
30 Correct 499 ms 17676 KB Output is correct
31 Correct 508 ms 17676 KB Output is correct
32 Correct 520 ms 17720 KB Output is correct
33 Correct 500 ms 17916 KB Output is correct
34 Correct 492 ms 17680 KB Output is correct
35 Correct 511 ms 17648 KB Output is correct
36 Correct 500 ms 17664 KB Output is correct
37 Correct 528 ms 17676 KB Output is correct
38 Correct 499 ms 17740 KB Output is correct
39 Correct 503 ms 17488 KB Output is correct
40 Correct 502 ms 17476 KB Output is correct
41 Correct 529 ms 17748 KB Output is correct
42 Correct 503 ms 17684 KB Output is correct
43 Correct 520 ms 17884 KB Output is correct
44 Correct 530 ms 17936 KB Output is correct
45 Correct 544 ms 18124 KB Output is correct
46 Correct 518 ms 17916 KB Output is correct
47 Correct 541 ms 17920 KB Output is correct
48 Correct 526 ms 17804 KB Output is correct
49 Correct 527 ms 17884 KB Output is correct
50 Correct 534 ms 17972 KB Output is correct
51 Correct 535 ms 17916 KB Output is correct
52 Correct 528 ms 17816 KB Output is correct
53 Correct 508 ms 17920 KB Output is correct
54 Correct 502 ms 17744 KB Output is correct
55 Correct 510 ms 17748 KB Output is correct
56 Correct 518 ms 17920 KB Output is correct
57 Correct 506 ms 17748 KB Output is correct
58 Correct 510 ms 17876 KB Output is correct
59 Correct 508 ms 18256 KB Output is correct
60 Correct 527 ms 17912 KB Output is correct
61 Correct 509 ms 18076 KB Output is correct
62 Correct 504 ms 17908 KB Output is correct
63 Correct 503 ms 17744 KB Output is correct
64 Correct 532 ms 18204 KB Output is correct
65 Correct 537 ms 19128 KB Output is correct
66 Correct 525 ms 18908 KB Output is correct
67 Correct 560 ms 18824 KB Output is correct
68 Correct 535 ms 19028 KB Output is correct
69 Correct 533 ms 18740 KB Output is correct
70 Correct 539 ms 18908 KB Output is correct
71 Correct 526 ms 18908 KB Output is correct
72 Correct 528 ms 18772 KB Output is correct
73 Correct 528 ms 18680 KB Output is correct
74 Correct 528 ms 18912 KB Output is correct
75 Correct 520 ms 18772 KB Output is correct
76 Correct 537 ms 18856 KB Output is correct
77 Correct 528 ms 18908 KB Output is correct
78 Correct 525 ms 18772 KB Output is correct
79 Correct 525 ms 18768 KB Output is correct
80 Correct 526 ms 19024 KB Output is correct
81 Correct 527 ms 18768 KB Output is correct
82 Correct 519 ms 18772 KB Output is correct
83 Correct 526 ms 18916 KB Output is correct
84 Correct 533 ms 19088 KB Output is correct