답안 #321234

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
321234	2020-11-11T16:01:58 Z	phathnv	Cubeword (CEOI19_cubeword)	C++11	100 / 100	277 ms	13272 KB

cubeword

#include <bits/stdc++.h>

#define mp make_pair
#define X first
#define Y second
#define taskname "Cubeword"

using namespace std;

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

const int L = 8;
const int M = 62;
const int MOD = 998244353;

int n, adj[L][M][M], cnt[L][M][M][M];
vector <string> words;

int ind(char ch){
    if ('a' <= ch && ch <= 'z')
        return ch - 'a';
    if ('A' <= ch && ch <= 'Z')
        return ch - 'A' + 26;
    return ch - '0' + 52;
}

void readInput(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;
    for(int i = 1; i <= n; i++){
        string s;
        cin >> s;
        words.push_back(s);
        reverse(s.begin(), s.end());
        words.push_back(s);
    }
    sort(words.begin(), words.end());
    words.resize(unique(words.begin(), words.end()) - words.begin());
    for(string &s : words){
        int fr = ind(s.front());
        int bk = ind(s.back());
        adj[s.size() - 3][fr][bk]++;
    }
}

void add(int &x, const int &y){
    x += y;
    x -= (x >= MOD) * MOD;
}

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

void solve(){
    int res = 0;
    for(int len = 0; len < L; len++)
        for(int r = 0; r < M; r++)
            for(int a = 0; a < M; a++)
                for(int b = a; b < M; b++)
                    for(int c = b; c < M; c++){
                        add(cnt[len][a][b][c], (ll) adj[len][r][a] * adj[len][r][b] * adj[len][r][c] % MOD);
                    }
    for(int len = 0; len < L; len++)
        for(int a = 0; a < M; a++)
            for(int b = a; b < M; b++)
                for(int c = b; c < M; c++)
                    for(int d = c; d < M; d++){
                        int val = (ll) cnt[len][a][b][c] * cnt[len][a][b][d] % MOD * cnt[len][a][c][d] % MOD * cnt[len][b][c][d] % MOD;
                        add(res, (ll) val * cntWays(a, b, c, d) % MOD);
                    }
    cout << res;
}

int main(){
    if (fopen(taskname".inp", "r")){
        freopen(taskname".inp", "r", stdin);
        freopen(taskname".out", "w", stdout);
    }
    readInput();
    solve();
    return 0;
}

Compilation message

cubeword.cpp: In function 'int main()':
cubeword.cpp:87:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   87 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cubeword.cpp:88:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   88 |         freopen(taskname".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	260 ms	12228 KB	Output is correct
2	Correct	264 ms	13124 KB	Output is correct
3	Correct	259 ms	13060 KB	Output is correct
4	Correct	259 ms	13120 KB	Output is correct
5	Correct	257 ms	13124 KB	Output is correct
6	Correct	258 ms	13060 KB	Output is correct
7	Correct	259 ms	13120 KB	Output is correct
8	Correct	261 ms	13124 KB	Output is correct
9	Correct	259 ms	13124 KB	Output is correct
10	Correct	260 ms	13128 KB	Output is correct
11	Correct	256 ms	13128 KB	Output is correct
12	Correct	262 ms	13128 KB	Output is correct
13	Correct	258 ms	13124 KB	Output is correct
14	Correct	261 ms	13124 KB	Output is correct
15	Correct	270 ms	13120 KB	Output is correct
16	Correct	256 ms	13124 KB	Output is correct
17	Correct	256 ms	13124 KB	Output is correct
18	Correct	269 ms	13124 KB	Output is correct
19	Correct	258 ms	13124 KB	Output is correct
20	Correct	265 ms	13128 KB	Output is correct
21	Correct	259 ms	13140 KB	Output is correct

Subtask #2
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	260 ms	12228 KB	Output is correct
2	Correct	264 ms	13124 KB	Output is correct
3	Correct	259 ms	13060 KB	Output is correct
4	Correct	259 ms	13120 KB	Output is correct
5	Correct	257 ms	13124 KB	Output is correct
6	Correct	258 ms	13060 KB	Output is correct
7	Correct	259 ms	13120 KB	Output is correct
8	Correct	261 ms	13124 KB	Output is correct
9	Correct	259 ms	13124 KB	Output is correct
10	Correct	260 ms	13128 KB	Output is correct
11	Correct	256 ms	13128 KB	Output is correct
12	Correct	262 ms	13128 KB	Output is correct
13	Correct	258 ms	13124 KB	Output is correct
14	Correct	261 ms	13124 KB	Output is correct
15	Correct	270 ms	13120 KB	Output is correct
16	Correct	256 ms	13124 KB	Output is correct
17	Correct	256 ms	13124 KB	Output is correct
18	Correct	269 ms	13124 KB	Output is correct
19	Correct	258 ms	13124 KB	Output is correct
20	Correct	265 ms	13128 KB	Output is correct
21	Correct	259 ms	13140 KB	Output is correct
22	Correct	277 ms	13124 KB	Output is correct
23	Correct	262 ms	13124 KB	Output is correct
24	Correct	259 ms	12996 KB	Output is correct
25	Correct	269 ms	13028 KB	Output is correct
26	Correct	259 ms	13124 KB	Output is correct
27	Correct	265 ms	12996 KB	Output is correct
28	Correct	258 ms	13124 KB	Output is correct
29	Correct	255 ms	12996 KB	Output is correct
30	Correct	263 ms	13124 KB	Output is correct
31	Correct	258 ms	12996 KB	Output is correct
32	Correct	256 ms	12996 KB	Output is correct
33	Correct	262 ms	12996 KB	Output is correct
34	Correct	254 ms	12996 KB	Output is correct
35	Correct	261 ms	13128 KB	Output is correct
36	Correct	259 ms	13128 KB	Output is correct
37	Correct	257 ms	12996 KB	Output is correct
38	Correct	258 ms	12996 KB	Output is correct
39	Correct	258 ms	12996 KB	Output is correct
40	Correct	261 ms	13124 KB	Output is correct
41	Correct	255 ms	13000 KB	Output is correct
42	Correct	256 ms	12996 KB	Output is correct

Subtask #3
34.0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	260 ms	12228 KB	Output is correct
2	Correct	264 ms	13124 KB	Output is correct
3	Correct	259 ms	13060 KB	Output is correct
4	Correct	259 ms	13120 KB	Output is correct
5	Correct	257 ms	13124 KB	Output is correct
6	Correct	258 ms	13060 KB	Output is correct
7	Correct	259 ms	13120 KB	Output is correct
8	Correct	261 ms	13124 KB	Output is correct
9	Correct	259 ms	13124 KB	Output is correct
10	Correct	260 ms	13128 KB	Output is correct
11	Correct	256 ms	13128 KB	Output is correct
12	Correct	262 ms	13128 KB	Output is correct
13	Correct	258 ms	13124 KB	Output is correct
14	Correct	261 ms	13124 KB	Output is correct
15	Correct	270 ms	13120 KB	Output is correct
16	Correct	256 ms	13124 KB	Output is correct
17	Correct	256 ms	13124 KB	Output is correct
18	Correct	269 ms	13124 KB	Output is correct
19	Correct	258 ms	13124 KB	Output is correct
20	Correct	265 ms	13128 KB	Output is correct
21	Correct	259 ms	13140 KB	Output is correct
22	Correct	277 ms	13124 KB	Output is correct
23	Correct	262 ms	13124 KB	Output is correct
24	Correct	259 ms	12996 KB	Output is correct
25	Correct	269 ms	13028 KB	Output is correct
26	Correct	259 ms	13124 KB	Output is correct
27	Correct	265 ms	12996 KB	Output is correct
28	Correct	258 ms	13124 KB	Output is correct
29	Correct	255 ms	12996 KB	Output is correct
30	Correct	263 ms	13124 KB	Output is correct
31	Correct	258 ms	12996 KB	Output is correct
32	Correct	256 ms	12996 KB	Output is correct
33	Correct	262 ms	12996 KB	Output is correct
34	Correct	254 ms	12996 KB	Output is correct
35	Correct	261 ms	13128 KB	Output is correct
36	Correct	259 ms	13128 KB	Output is correct
37	Correct	257 ms	12996 KB	Output is correct
38	Correct	258 ms	12996 KB	Output is correct
39	Correct	258 ms	12996 KB	Output is correct
40	Correct	261 ms	13124 KB	Output is correct
41	Correct	255 ms	13000 KB	Output is correct
42	Correct	256 ms	12996 KB	Output is correct
43	Correct	259 ms	13124 KB	Output is correct
44	Correct	258 ms	13124 KB	Output is correct
45	Correct	260 ms	13080 KB	Output is correct
46	Correct	258 ms	13124 KB	Output is correct
47	Correct	261 ms	13124 KB	Output is correct
48	Correct	260 ms	13220 KB	Output is correct
49	Correct	254 ms	13124 KB	Output is correct
50	Correct	257 ms	13124 KB	Output is correct
51	Correct	257 ms	13272 KB	Output is correct
52	Correct	256 ms	13124 KB	Output is correct
53	Correct	264 ms	13128 KB	Output is correct
54	Correct	262 ms	13124 KB	Output is correct
55	Correct	263 ms	13124 KB	Output is correct
56	Correct	260 ms	13256 KB	Output is correct
57	Correct	269 ms	13124 KB	Output is correct
58	Correct	260 ms	13128 KB	Output is correct
59	Correct	258 ms	13124 KB	Output is correct
60	Correct	260 ms	13124 KB	Output is correct
61	Correct	256 ms	13124 KB	Output is correct
62	Correct	253 ms	13124 KB	Output is correct
63	Correct	258 ms	13000 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	260 ms	12228 KB	Output is correct
2	Correct	264 ms	13124 KB	Output is correct
3	Correct	259 ms	13060 KB	Output is correct
4	Correct	259 ms	13120 KB	Output is correct
5	Correct	257 ms	13124 KB	Output is correct
6	Correct	258 ms	13060 KB	Output is correct
7	Correct	259 ms	13120 KB	Output is correct
8	Correct	261 ms	13124 KB	Output is correct
9	Correct	259 ms	13124 KB	Output is correct
10	Correct	260 ms	13128 KB	Output is correct
11	Correct	256 ms	13128 KB	Output is correct
12	Correct	262 ms	13128 KB	Output is correct
13	Correct	258 ms	13124 KB	Output is correct
14	Correct	261 ms	13124 KB	Output is correct
15	Correct	270 ms	13120 KB	Output is correct
16	Correct	256 ms	13124 KB	Output is correct
17	Correct	256 ms	13124 KB	Output is correct
18	Correct	269 ms	13124 KB	Output is correct
19	Correct	258 ms	13124 KB	Output is correct
20	Correct	265 ms	13128 KB	Output is correct
21	Correct	259 ms	13140 KB	Output is correct
22	Correct	277 ms	13124 KB	Output is correct
23	Correct	262 ms	13124 KB	Output is correct
24	Correct	259 ms	12996 KB	Output is correct
25	Correct	269 ms	13028 KB	Output is correct
26	Correct	259 ms	13124 KB	Output is correct
27	Correct	265 ms	12996 KB	Output is correct
28	Correct	258 ms	13124 KB	Output is correct
29	Correct	255 ms	12996 KB	Output is correct
30	Correct	263 ms	13124 KB	Output is correct
31	Correct	258 ms	12996 KB	Output is correct
32	Correct	256 ms	12996 KB	Output is correct
33	Correct	262 ms	12996 KB	Output is correct
34	Correct	254 ms	12996 KB	Output is correct
35	Correct	261 ms	13128 KB	Output is correct
36	Correct	259 ms	13128 KB	Output is correct
37	Correct	257 ms	12996 KB	Output is correct
38	Correct	258 ms	12996 KB	Output is correct
39	Correct	258 ms	12996 KB	Output is correct
40	Correct	261 ms	13124 KB	Output is correct
41	Correct	255 ms	13000 KB	Output is correct
42	Correct	256 ms	12996 KB	Output is correct
43	Correct	259 ms	13124 KB	Output is correct
44	Correct	258 ms	13124 KB	Output is correct
45	Correct	260 ms	13080 KB	Output is correct
46	Correct	258 ms	13124 KB	Output is correct
47	Correct	261 ms	13124 KB	Output is correct
48	Correct	260 ms	13220 KB	Output is correct
49	Correct	254 ms	13124 KB	Output is correct
50	Correct	257 ms	13124 KB	Output is correct
51	Correct	257 ms	13272 KB	Output is correct
52	Correct	256 ms	13124 KB	Output is correct
53	Correct	264 ms	13128 KB	Output is correct
54	Correct	262 ms	13124 KB	Output is correct
55	Correct	263 ms	13124 KB	Output is correct
56	Correct	260 ms	13256 KB	Output is correct
57	Correct	269 ms	13124 KB	Output is correct
58	Correct	260 ms	13128 KB	Output is correct
59	Correct	258 ms	13124 KB	Output is correct
60	Correct	260 ms	13124 KB	Output is correct
61	Correct	256 ms	13124 KB	Output is correct
62	Correct	253 ms	13124 KB	Output is correct
63	Correct	258 ms	13000 KB	Output is correct
64	Correct	255 ms	13124 KB	Output is correct
65	Correct	258 ms	13128 KB	Output is correct
66	Correct	257 ms	13132 KB	Output is correct
67	Correct	256 ms	13064 KB	Output is correct
68	Correct	255 ms	13124 KB	Output is correct
69	Correct	253 ms	13128 KB	Output is correct
70	Correct	256 ms	13124 KB	Output is correct
71	Correct	254 ms	13124 KB	Output is correct
72	Correct	254 ms	13120 KB	Output is correct
73	Correct	252 ms	13128 KB	Output is correct
74	Correct	257 ms	13272 KB	Output is correct
75	Correct	254 ms	13124 KB	Output is correct
76	Correct	258 ms	13148 KB	Output is correct
77	Correct	253 ms	13124 KB	Output is correct
78	Correct	259 ms	13124 KB	Output is correct
79	Correct	257 ms	13124 KB	Output is correct
80	Correct	254 ms	13092 KB	Output is correct
81	Correct	254 ms	13124 KB	Output is correct
82	Correct	260 ms	13180 KB	Output is correct
83	Correct	261 ms	13252 KB	Output is correct
84	Correct	255 ms	13124 KB	Output is correct

답안 #321234

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