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답안 #346332

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
346332 2021-01-09T11:50:27 Z doowey Cubeword (CEOI19_cubeword) C++14
100 / 100
 586 ms 35308 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int AL = 62;
const int LEN = 11;
const int MOD = 998244353;

int cnt[AL][AL][LEN];

bool is_palin(string t){
    for(int i = 0 ; i < t.size() ; i ++ ){
        if(t[i] != t[(int)t.size() - 1 - i]){
            return false;
        }
    }
    return true;
}

int D[AL][AL][AL];

int mlt(int a, int b){
    return (a * 1ll * b) % MOD;
}

void add(int &a, int b){
    a = (a + b) % MOD;
}

int getid(char f){
    if(f >= 'a' && f <= 'z') return f - 'a';
    else if(f >= 'A' && f <= 'Z') return 26 + (f - 'A');
    return 52 + f - '0';
}

map<string, bool> dict;
int perm[AL][AL][AL][AL];

int calc(vector<int> q){
    sort(q.begin(), q.end());
    int cnt = 0;
    do{
        cnt ++ ;
    }while(next_permutation(q.begin(), q.end()));
    return cnt;
}

int main(){
    fastIO;
    int n;
    cin >> n;
    string t;
    int m;
    int fa, fb;
    for(int i = 0 ; i < n; i ++ ){
        cin >> t;
        m = t.size();
        if(dict.count(t)) continue;
        fa=getid(t[0]);
        fb=getid(t.back());
        cnt[fa][fb][m]++;
        if(!is_palin(t)) cnt[fb][fa][m]++;
        dict[t]=true;
        reverse(t.begin(), t.end());
        dict[t]=true;
    }
    for(int i = 0 ; i < AL; i ++ ){
        for(int j = i ; j < AL; j ++ ){
            for(int p = j ; p < AL; p ++ ){
                for(int t = p ; t < AL; t ++ ){
                    perm[i][j][p][t]=calc({i,j,p,t});
                }
            }
        }
    }
    int sol = 0;
    for(int len = 3; len <= 10; len ++ ){
        for(int i = 0 ; i < AL; i ++ ){
            for(int j = i ; j < AL; j ++ ){
                for(int k = j ; k < AL; k ++ ){
                    D[i][j][k]=0;
                    for(int q = 0; q < AL; q ++ ){
                        add(D[i][j][k],mlt(mlt(cnt[i][q][len],cnt[j][q][len]),cnt[k][q][len]));
                    }
                }
            }
        }
        for(int a = 0; a < AL; a ++ ){
            for(int d = a ; d < AL; d ++ ){
                for(int e = d; e < AL; e ++ ){
                    if(D[a][d][e] == 0) continue;
                    for(int h = e; h < AL; h ++ ){
                        add(sol,mlt(perm[a][d][e][h],mlt(mlt(D[a][d][e],D[a][d][h]),mlt(D[d][e][h],D[a][e][h]))));
                    }
                }
            }
        }
    }
    cout << sol << "\n";
    return 0;
}

Compilation message

cubeword.cpp: In function 'bool is_palin(std::string)':
cubeword.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for(int i = 0 ; i < t.size() ; i ++ ){
      |                     ~~^~~~~~~~~~

Subtask #1
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 519 ms 33240 KB Output is correct
2 Correct 517 ms 33132 KB Output is correct
3 Correct 526 ms 33260 KB Output is correct
4 Correct 521 ms 33132 KB Output is correct
5 Correct 526 ms 33004 KB Output is correct
6 Correct 524 ms 33132 KB Output is correct
7 Correct 524 ms 33200 KB Output is correct
8 Correct 523 ms 33140 KB Output is correct
9 Correct 521 ms 33132 KB Output is correct
10 Correct 519 ms 33004 KB Output is correct
11 Correct 524 ms 33260 KB Output is correct
12 Correct 537 ms 33004 KB Output is correct
13 Correct 523 ms 33132 KB Output is correct
14 Correct 516 ms 33132 KB Output is correct
15 Correct 522 ms 33132 KB Output is correct
16 Correct 527 ms 33260 KB Output is correct
17 Correct 522 ms 33004 KB Output is correct
18 Correct 522 ms 33132 KB Output is correct
19 Correct 527 ms 33132 KB Output is correct
20 Correct 523 ms 33004 KB Output is correct
21 Correct 521 ms 33004 KB Output is correct

Subtask #2
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 519 ms 33240 KB Output is correct
2 Correct 517 ms 33132 KB Output is correct
3 Correct 526 ms 33260 KB Output is correct
4 Correct 521 ms 33132 KB Output is correct
5 Correct 526 ms 33004 KB Output is correct
6 Correct 524 ms 33132 KB Output is correct
7 Correct 524 ms 33200 KB Output is correct
8 Correct 523 ms 33140 KB Output is correct
9 Correct 521 ms 33132 KB Output is correct
10 Correct 519 ms 33004 KB Output is correct
11 Correct 524 ms 33260 KB Output is correct
12 Correct 537 ms 33004 KB Output is correct
13 Correct 523 ms 33132 KB Output is correct
14 Correct 516 ms 33132 KB Output is correct
15 Correct 522 ms 33132 KB Output is correct
16 Correct 527 ms 33260 KB Output is correct
17 Correct 522 ms 33004 KB Output is correct
18 Correct 522 ms 33132 KB Output is correct
19 Correct 527 ms 33132 KB Output is correct
20 Correct 523 ms 33004 KB Output is correct
21 Correct 521 ms 33004 KB Output is correct
22 Correct 532 ms 33816 KB Output is correct
23 Correct 533 ms 33900 KB Output is correct
24 Correct 528 ms 33772 KB Output is correct
25 Correct 530 ms 33888 KB Output is correct
26 Correct 527 ms 33772 KB Output is correct
27 Correct 523 ms 33900 KB Output is correct
28 Correct 525 ms 33736 KB Output is correct
29 Correct 519 ms 33772 KB Output is correct
30 Correct 525 ms 33836 KB Output is correct
31 Correct 530 ms 33772 KB Output is correct
32 Correct 524 ms 34028 KB Output is correct
33 Correct 527 ms 33684 KB Output is correct
34 Correct 534 ms 33708 KB Output is correct
35 Correct 528 ms 33772 KB Output is correct
36 Correct 532 ms 33748 KB Output is correct
37 Correct 535 ms 33900 KB Output is correct
38 Correct 525 ms 33900 KB Output is correct
39 Correct 524 ms 33860 KB Output is correct
40 Correct 530 ms 33704 KB Output is correct
41 Correct 528 ms 33772 KB Output is correct
42 Correct 523 ms 33900 KB Output is correct

Subtask #3
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 519 ms 33240 KB Output is correct
2 Correct 517 ms 33132 KB Output is correct
3 Correct 526 ms 33260 KB Output is correct
4 Correct 521 ms 33132 KB Output is correct
5 Correct 526 ms 33004 KB Output is correct
6 Correct 524 ms 33132 KB Output is correct
7 Correct 524 ms 33200 KB Output is correct
8 Correct 523 ms 33140 KB Output is correct
9 Correct 521 ms 33132 KB Output is correct
10 Correct 519 ms 33004 KB Output is correct
11 Correct 524 ms 33260 KB Output is correct
12 Correct 537 ms 33004 KB Output is correct
13 Correct 523 ms 33132 KB Output is correct
14 Correct 516 ms 33132 KB Output is correct
15 Correct 522 ms 33132 KB Output is correct
16 Correct 527 ms 33260 KB Output is correct
17 Correct 522 ms 33004 KB Output is correct
18 Correct 522 ms 33132 KB Output is correct
19 Correct 527 ms 33132 KB Output is correct
20 Correct 523 ms 33004 KB Output is correct
21 Correct 521 ms 33004 KB Output is correct
22 Correct 532 ms 33816 KB Output is correct
23 Correct 533 ms 33900 KB Output is correct
24 Correct 528 ms 33772 KB Output is correct
25 Correct 530 ms 33888 KB Output is correct
26 Correct 527 ms 33772 KB Output is correct
27 Correct 523 ms 33900 KB Output is correct
28 Correct 525 ms 33736 KB Output is correct
29 Correct 519 ms 33772 KB Output is correct
30 Correct 525 ms 33836 KB Output is correct
31 Correct 530 ms 33772 KB Output is correct
32 Correct 524 ms 34028 KB Output is correct
33 Correct 527 ms 33684 KB Output is correct
34 Correct 534 ms 33708 KB Output is correct
35 Correct 528 ms 33772 KB Output is correct
36 Correct 532 ms 33748 KB Output is correct
37 Correct 535 ms 33900 KB Output is correct
38 Correct 525 ms 33900 KB Output is correct
39 Correct 524 ms 33860 KB Output is correct
40 Correct 530 ms 33704 KB Output is correct
41 Correct 528 ms 33772 KB Output is correct
42 Correct 523 ms 33900 KB Output is correct
43 Correct 528 ms 34156 KB Output is correct
44 Correct 526 ms 34156 KB Output is correct
45 Correct 530 ms 34028 KB Output is correct
46 Correct 523 ms 34204 KB Output is correct
47 Correct 529 ms 34176 KB Output is correct
48 Correct 529 ms 34028 KB Output is correct
49 Correct 527 ms 34156 KB Output is correct
50 Correct 533 ms 34284 KB Output is correct
51 Correct 526 ms 34028 KB Output is correct
52 Correct 533 ms 34284 KB Output is correct
53 Correct 530 ms 34156 KB Output is correct
54 Correct 528 ms 34028 KB Output is correct
55 Correct 538 ms 34372 KB Output is correct
56 Correct 533 ms 34156 KB Output is correct
57 Correct 536 ms 34160 KB Output is correct
58 Correct 533 ms 34028 KB Output is correct
59 Correct 529 ms 34232 KB Output is correct
60 Correct 534 ms 34156 KB Output is correct
61 Correct 524 ms 34028 KB Output is correct
62 Correct 529 ms 34156 KB Output is correct
63 Correct 535 ms 34028 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 519 ms 33240 KB Output is correct
2 Correct 517 ms 33132 KB Output is correct
3 Correct 526 ms 33260 KB Output is correct
4 Correct 521 ms 33132 KB Output is correct
5 Correct 526 ms 33004 KB Output is correct
6 Correct 524 ms 33132 KB Output is correct
7 Correct 524 ms 33200 KB Output is correct
8 Correct 523 ms 33140 KB Output is correct
9 Correct 521 ms 33132 KB Output is correct
10 Correct 519 ms 33004 KB Output is correct
11 Correct 524 ms 33260 KB Output is correct
12 Correct 537 ms 33004 KB Output is correct
13 Correct 523 ms 33132 KB Output is correct
14 Correct 516 ms 33132 KB Output is correct
15 Correct 522 ms 33132 KB Output is correct
16 Correct 527 ms 33260 KB Output is correct
17 Correct 522 ms 33004 KB Output is correct
18 Correct 522 ms 33132 KB Output is correct
19 Correct 527 ms 33132 KB Output is correct
20 Correct 523 ms 33004 KB Output is correct
21 Correct 521 ms 33004 KB Output is correct
22 Correct 532 ms 33816 KB Output is correct
23 Correct 533 ms 33900 KB Output is correct
24 Correct 528 ms 33772 KB Output is correct
25 Correct 530 ms 33888 KB Output is correct
26 Correct 527 ms 33772 KB Output is correct
27 Correct 523 ms 33900 KB Output is correct
28 Correct 525 ms 33736 KB Output is correct
29 Correct 519 ms 33772 KB Output is correct
30 Correct 525 ms 33836 KB Output is correct
31 Correct 530 ms 33772 KB Output is correct
32 Correct 524 ms 34028 KB Output is correct
33 Correct 527 ms 33684 KB Output is correct
34 Correct 534 ms 33708 KB Output is correct
35 Correct 528 ms 33772 KB Output is correct
36 Correct 532 ms 33748 KB Output is correct
37 Correct 535 ms 33900 KB Output is correct
38 Correct 525 ms 33900 KB Output is correct
39 Correct 524 ms 33860 KB Output is correct
40 Correct 530 ms 33704 KB Output is correct
41 Correct 528 ms 33772 KB Output is correct
42 Correct 523 ms 33900 KB Output is correct
43 Correct 528 ms 34156 KB Output is correct
44 Correct 526 ms 34156 KB Output is correct
45 Correct 530 ms 34028 KB Output is correct
46 Correct 523 ms 34204 KB Output is correct
47 Correct 529 ms 34176 KB Output is correct
48 Correct 529 ms 34028 KB Output is correct
49 Correct 527 ms 34156 KB Output is correct
50 Correct 533 ms 34284 KB Output is correct
51 Correct 526 ms 34028 KB Output is correct
52 Correct 533 ms 34284 KB Output is correct
53 Correct 530 ms 34156 KB Output is correct
54 Correct 528 ms 34028 KB Output is correct
55 Correct 538 ms 34372 KB Output is correct
56 Correct 533 ms 34156 KB Output is correct
57 Correct 536 ms 34160 KB Output is correct
58 Correct 533 ms 34028 KB Output is correct
59 Correct 529 ms 34232 KB Output is correct
60 Correct 534 ms 34156 KB Output is correct
61 Correct 524 ms 34028 KB Output is correct
62 Correct 529 ms 34156 KB Output is correct
63 Correct 535 ms 34028 KB Output is correct
64 Correct 578 ms 35180 KB Output is correct
65 Correct 567 ms 35308 KB Output is correct
66 Correct 575 ms 35252 KB Output is correct
67 Correct 572 ms 35180 KB Output is correct
68 Correct 564 ms 35052 KB Output is correct
69 Correct 586 ms 35084 KB Output is correct
70 Correct 570 ms 35168 KB Output is correct
71 Correct 569 ms 35180 KB Output is correct
72 Correct 567 ms 35180 KB Output is correct
73 Correct 575 ms 35256 KB Output is correct
74 Correct 568 ms 35180 KB Output is correct
75 Correct 564 ms 35092 KB Output is correct
76 Correct 568 ms 35080 KB Output is correct
77 Correct 566 ms 35308 KB Output is correct
78 Correct 572 ms 35180 KB Output is correct
79 Correct 570 ms 35180 KB Output is correct
80 Correct 563 ms 35156 KB Output is correct
81 Correct 570 ms 35180 KB Output is correct
82 Correct 567 ms 35180 KB Output is correct
83 Correct 571 ms 35180 KB Output is correct
84 Correct 583 ms 35052 KB Output is correct