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Submission #321234

# Submission time Handle Problem Language Result Execution time Memory
321234 2020-11-11T16:01:58 Z phathnv Cubeword (CEOI19_cubeword) C++11
100 / 100
 277 ms 13272 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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