oj.uz

Submission #948080

# Submission time Handle Problem Language Result Execution time Memory
948080 2024-03-17T14:53:20 Z Vladth11 Cubeword (CEOI19_cubeword) C++14
100 / 100
 309 ms 20356 KB 
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize ("Ofast")
#pragma GCC target ("avx2")

using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;

const ll NMAX = 200002;
const ll INF = (1LL << 58);
const ll nrbits = 20;
const ll MOD = 998244353;

vector <pii> lung[11];

const int VMAX = 63;

int cod(char c){
    if('a' <= c && c <= 'z')
        return c - 'a';
    if('A' <= c && c <= 'Z')
        return (c - 'A') + 26;
    if('0' <= c && c <= '9')
        return (c - '0') + 52;
}

int c[VMAX][VMAX];
int dp[VMAX][VMAX][VMAX];

void add(int &x, int val){
    x += val;
    if(x >= MOD)
        x -= MOD;
    if(x < 0)
        x += MOD;
}

map <string, int> mp;

int main() {
#ifdef HOME
    ifstream cin(".in");
    ofstream cout(".out");
#endif // HOME
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, i;
    cin >> n;
    for(i = 1; i <= n; i++){
        string s;
        cin >> s;
        mp[s]++;
        if(mp[s] == 1)
            lung[s.size()].push_back({cod(s[0]), cod(s.back())});
        string a= s;
        reverse(a.begin(), a.end());
        mp[a]++;
        if(mp[a] == 1)
            lung[s.size()].push_back({cod(s.back()), cod(s[0])});
    }
    int sol = 0;
    for(int i = 1; i <= 10; i++){
        if(!lung[i].size()) continue;
        for(int j = 0; j < VMAX; j++) for(int t = 0; t < VMAX; t++) c[j][t] = 0;
        for(auto x : lung[i]){
            c[x.first][x.second]++;
        }
        for(int j = 0; j < VMAX; j++){
            for(int t = j; t < VMAX; t++){
                for(int k = t; k < VMAX; k++){
                    dp[j][t][k] = 0;
                    for(int aici = 0; aici < VMAX; aici++){
                        add(dp[j][t][k], (1LL * c[aici][j] * c[aici][t]) % MOD * c[aici][k] % MOD);
                    }
                    /// aici se pune
                    dp[j][k][t] = dp[t][j][k] = dp[t][k][j] = dp[k][j][t] = dp[k][t][j] = dp[j][t][k];
                }
            }
        }
        for(int a = 0; a < VMAX; a++){
            for(int b = a; b < VMAX; b++){
                for(int c = b; c < VMAX; c++){
                    for(int d = c; d < VMAX; d++){
                        int perm = 24;
                        if(a == b)
                            perm /= 2;
                        if(a == c)
                            perm /= 3;
                        if(a == d)
                            perm /= 4;
                        if(a != b && b == c){
                            perm /= 2;
                        }
                        if(a != b && b == d){
                            perm /= 3;
                        }
                        if(b != c && c == d){
                            perm /= 2;
                        }
                        add(sol, (1LL * dp[a][b][c] * dp[a][b][d]) % MOD * dp[b][c][d] % MOD * dp[a][c][d] % MOD * perm % MOD);
                    }
                }
            }
        }
    }
    cout << sol << "\n";
    return 0;
}

Compilation message

cubeword.cpp: In function 'int cod(char)':
cubeword.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type]
   27 | }
      | ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 18716 KB Output is correct
2 Correct 274 ms 18844 KB Output is correct
3 Correct 264 ms 18676 KB Output is correct
4 Correct 265 ms 18588 KB Output is correct
5 Correct 284 ms 18632 KB Output is correct
6 Correct 261 ms 18700 KB Output is correct
7 Correct 264 ms 18716 KB Output is correct
8 Correct 263 ms 18716 KB Output is correct
9 Correct 270 ms 18852 KB Output is correct
10 Correct 270 ms 18872 KB Output is correct
11 Correct 263 ms 18840 KB Output is correct
12 Correct 271 ms 19024 KB Output is correct
13 Correct 271 ms 18716 KB Output is correct
14 Correct 270 ms 18832 KB Output is correct
15 Correct 277 ms 18672 KB Output is correct
16 Correct 279 ms 18792 KB Output is correct
17 Correct 283 ms 18856 KB Output is correct
18 Correct 264 ms 18844 KB Output is correct
19 Correct 276 ms 18716 KB Output is correct
20 Correct 270 ms 18664 KB Output is correct
21 Correct 269 ms 18588 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 18716 KB Output is correct
2 Correct 274 ms 18844 KB Output is correct
3 Correct 264 ms 18676 KB Output is correct
4 Correct 265 ms 18588 KB Output is correct
5 Correct 284 ms 18632 KB Output is correct
6 Correct 261 ms 18700 KB Output is correct
7 Correct 264 ms 18716 KB Output is correct
8 Correct 263 ms 18716 KB Output is correct
9 Correct 270 ms 18852 KB Output is correct
10 Correct 270 ms 18872 KB Output is correct
11 Correct 263 ms 18840 KB Output is correct
12 Correct 271 ms 19024 KB Output is correct
13 Correct 271 ms 18716 KB Output is correct
14 Correct 270 ms 18832 KB Output is correct
15 Correct 277 ms 18672 KB Output is correct
16 Correct 279 ms 18792 KB Output is correct
17 Correct 283 ms 18856 KB Output is correct
18 Correct 264 ms 18844 KB Output is correct
19 Correct 276 ms 18716 KB Output is correct
20 Correct 270 ms 18664 KB Output is correct
21 Correct 269 ms 18588 KB Output is correct
22 Correct 270 ms 19744 KB Output is correct
23 Correct 269 ms 19604 KB Output is correct
24 Correct 263 ms 19500 KB Output is correct
25 Correct 267 ms 19420 KB Output is correct
26 Correct 270 ms 19488 KB Output is correct
27 Correct 266 ms 19744 KB Output is correct
28 Correct 266 ms 19584 KB Output is correct
29 Correct 309 ms 19416 KB Output is correct
30 Correct 267 ms 19608 KB Output is correct
31 Correct 269 ms 19480 KB Output is correct
32 Correct 277 ms 19784 KB Output is correct
33 Correct 271 ms 19628 KB Output is correct
34 Correct 263 ms 19420 KB Output is correct
35 Correct 261 ms 19640 KB Output is correct
36 Correct 263 ms 19648 KB Output is correct
37 Correct 273 ms 19488 KB Output is correct
38 Correct 269 ms 19488 KB Output is correct
39 Correct 265 ms 19480 KB Output is correct
40 Correct 272 ms 19492 KB Output is correct
41 Correct 268 ms 19608 KB Output is correct
42 Correct 265 ms 19752 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 18716 KB Output is correct
2 Correct 274 ms 18844 KB Output is correct
3 Correct 264 ms 18676 KB Output is correct
4 Correct 265 ms 18588 KB Output is correct
5 Correct 284 ms 18632 KB Output is correct
6 Correct 261 ms 18700 KB Output is correct
7 Correct 264 ms 18716 KB Output is correct
8 Correct 263 ms 18716 KB Output is correct
9 Correct 270 ms 18852 KB Output is correct
10 Correct 270 ms 18872 KB Output is correct
11 Correct 263 ms 18840 KB Output is correct
12 Correct 271 ms 19024 KB Output is correct
13 Correct 271 ms 18716 KB Output is correct
14 Correct 270 ms 18832 KB Output is correct
15 Correct 277 ms 18672 KB Output is correct
16 Correct 279 ms 18792 KB Output is correct
17 Correct 283 ms 18856 KB Output is correct
18 Correct 264 ms 18844 KB Output is correct
19 Correct 276 ms 18716 KB Output is correct
20 Correct 270 ms 18664 KB Output is correct
21 Correct 269 ms 18588 KB Output is correct
22 Correct 270 ms 19744 KB Output is correct
23 Correct 269 ms 19604 KB Output is correct
24 Correct 263 ms 19500 KB Output is correct
25 Correct 267 ms 19420 KB Output is correct
26 Correct 270 ms 19488 KB Output is correct
27 Correct 266 ms 19744 KB Output is correct
28 Correct 266 ms 19584 KB Output is correct
29 Correct 309 ms 19416 KB Output is correct
30 Correct 267 ms 19608 KB Output is correct
31 Correct 269 ms 19480 KB Output is correct
32 Correct 277 ms 19784 KB Output is correct
33 Correct 271 ms 19628 KB Output is correct
34 Correct 263 ms 19420 KB Output is correct
35 Correct 261 ms 19640 KB Output is correct
36 Correct 263 ms 19648 KB Output is correct
37 Correct 273 ms 19488 KB Output is correct
38 Correct 269 ms 19488 KB Output is correct
39 Correct 265 ms 19480 KB Output is correct
40 Correct 272 ms 19492 KB Output is correct
41 Correct 268 ms 19608 KB Output is correct
42 Correct 265 ms 19752 KB Output is correct
43 Correct 261 ms 19860 KB Output is correct
44 Correct 275 ms 19916 KB Output is correct
45 Correct 264 ms 19892 KB Output is correct
46 Correct 263 ms 19876 KB Output is correct
47 Correct 267 ms 20020 KB Output is correct
48 Correct 260 ms 19852 KB Output is correct
49 Correct 273 ms 19984 KB Output is correct
50 Correct 272 ms 19728 KB Output is correct
51 Correct 263 ms 19740 KB Output is correct
52 Correct 265 ms 19996 KB Output is correct
53 Correct 263 ms 19712 KB Output is correct
54 Correct 277 ms 19900 KB Output is correct
55 Correct 280 ms 19888 KB Output is correct
56 Correct 272 ms 19912 KB Output is correct
57 Correct 261 ms 19852 KB Output is correct
58 Correct 276 ms 19728 KB Output is correct
59 Correct 273 ms 20080 KB Output is correct
60 Correct 261 ms 19856 KB Output is correct
61 Correct 264 ms 19896 KB Output is correct
62 Correct 261 ms 19740 KB Output is correct
63 Correct 267 ms 19720 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 18716 KB Output is correct
2 Correct 274 ms 18844 KB Output is correct
3 Correct 264 ms 18676 KB Output is correct
4 Correct 265 ms 18588 KB Output is correct
5 Correct 284 ms 18632 KB Output is correct
6 Correct 261 ms 18700 KB Output is correct
7 Correct 264 ms 18716 KB Output is correct
8 Correct 263 ms 18716 KB Output is correct
9 Correct 270 ms 18852 KB Output is correct
10 Correct 270 ms 18872 KB Output is correct
11 Correct 263 ms 18840 KB Output is correct
12 Correct 271 ms 19024 KB Output is correct
13 Correct 271 ms 18716 KB Output is correct
14 Correct 270 ms 18832 KB Output is correct
15 Correct 277 ms 18672 KB Output is correct
16 Correct 279 ms 18792 KB Output is correct
17 Correct 283 ms 18856 KB Output is correct
18 Correct 264 ms 18844 KB Output is correct
19 Correct 276 ms 18716 KB Output is correct
20 Correct 270 ms 18664 KB Output is correct
21 Correct 269 ms 18588 KB Output is correct
22 Correct 270 ms 19744 KB Output is correct
23 Correct 269 ms 19604 KB Output is correct
24 Correct 263 ms 19500 KB Output is correct
25 Correct 267 ms 19420 KB Output is correct
26 Correct 270 ms 19488 KB Output is correct
27 Correct 266 ms 19744 KB Output is correct
28 Correct 266 ms 19584 KB Output is correct
29 Correct 309 ms 19416 KB Output is correct
30 Correct 267 ms 19608 KB Output is correct
31 Correct 269 ms 19480 KB Output is correct
32 Correct 277 ms 19784 KB Output is correct
33 Correct 271 ms 19628 KB Output is correct
34 Correct 263 ms 19420 KB Output is correct
35 Correct 261 ms 19640 KB Output is correct
36 Correct 263 ms 19648 KB Output is correct
37 Correct 273 ms 19488 KB Output is correct
38 Correct 269 ms 19488 KB Output is correct
39 Correct 265 ms 19480 KB Output is correct
40 Correct 272 ms 19492 KB Output is correct
41 Correct 268 ms 19608 KB Output is correct
42 Correct 265 ms 19752 KB Output is correct
43 Correct 261 ms 19860 KB Output is correct
44 Correct 275 ms 19916 KB Output is correct
45 Correct 264 ms 19892 KB Output is correct
46 Correct 263 ms 19876 KB Output is correct
47 Correct 267 ms 20020 KB Output is correct
48 Correct 260 ms 19852 KB Output is correct
49 Correct 273 ms 19984 KB Output is correct
50 Correct 272 ms 19728 KB Output is correct
51 Correct 263 ms 19740 KB Output is correct
52 Correct 265 ms 19996 KB Output is correct
53 Correct 263 ms 19712 KB Output is correct
54 Correct 277 ms 19900 KB Output is correct
55 Correct 280 ms 19888 KB Output is correct
56 Correct 272 ms 19912 KB Output is correct
57 Correct 261 ms 19852 KB Output is correct
58 Correct 276 ms 19728 KB Output is correct
59 Correct 273 ms 20080 KB Output is correct
60 Correct 261 ms 19856 KB Output is correct
61 Correct 264 ms 19896 KB Output is correct
62 Correct 261 ms 19740 KB Output is correct
63 Correct 267 ms 19720 KB Output is correct
64 Correct 303 ms 20180 KB Output is correct
65 Correct 299 ms 19992 KB Output is correct
66 Correct 293 ms 19976 KB Output is correct
67 Correct 301 ms 20248 KB Output is correct
68 Correct 303 ms 19992 KB Output is correct
69 Correct 300 ms 20004 KB Output is correct
70 Correct 296 ms 20128 KB Output is correct
71 Correct 299 ms 20356 KB Output is correct
72 Correct 294 ms 20120 KB Output is correct
73 Correct 306 ms 20252 KB Output is correct
74 Correct 296 ms 20192 KB Output is correct
75 Correct 297 ms 20004 KB Output is correct
76 Correct 291 ms 20116 KB Output is correct
77 Correct 294 ms 20116 KB Output is correct
78 Correct 298 ms 20316 KB Output is correct
79 Correct 298 ms 20064 KB Output is correct
80 Correct 301 ms 20220 KB Output is correct
81 Correct 299 ms 20084 KB Output is correct
82 Correct 295 ms 20120 KB Output is correct
83 Correct 297 ms 19984 KB Output is correct
84 Correct 299 ms 20044 KB Output is correct