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Submission #948066

# Submission time Handle Problem Language Result Execution time Memory
948066 2024-03-17T14:40:20 Z Vladth11 Cubeword (CEOI19_cubeword) C++14
100 / 100
 337 ms 21144 KB 
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize("Ofast")

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:26:1: warning: control reaches end of non-void function [-Wreturn-type]
   26 | }
      | ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 18860 KB Output is correct
2 Correct 276 ms 18716 KB Output is correct
3 Correct 266 ms 18860 KB Output is correct
4 Correct 313 ms 18580 KB Output is correct
5 Correct 267 ms 18856 KB Output is correct
6 Correct 272 ms 18804 KB Output is correct
7 Correct 263 ms 18716 KB Output is correct
8 Correct 284 ms 18868 KB Output is correct
9 Correct 293 ms 18844 KB Output is correct
10 Correct 264 ms 18780 KB Output is correct
11 Correct 279 ms 19032 KB Output is correct
12 Correct 288 ms 18584 KB Output is correct
13 Correct 279 ms 18864 KB Output is correct
14 Correct 263 ms 18848 KB Output is correct
15 Correct 274 ms 18836 KB Output is correct
16 Correct 267 ms 18840 KB Output is correct
17 Correct 268 ms 18852 KB Output is correct
18 Correct 279 ms 19096 KB Output is correct
19 Correct 264 ms 18716 KB Output is correct
20 Correct 288 ms 18840 KB Output is correct
21 Correct 265 ms 18848 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 18860 KB Output is correct
2 Correct 276 ms 18716 KB Output is correct
3 Correct 266 ms 18860 KB Output is correct
4 Correct 313 ms 18580 KB Output is correct
5 Correct 267 ms 18856 KB Output is correct
6 Correct 272 ms 18804 KB Output is correct
7 Correct 263 ms 18716 KB Output is correct
8 Correct 284 ms 18868 KB Output is correct
9 Correct 293 ms 18844 KB Output is correct
10 Correct 264 ms 18780 KB Output is correct
11 Correct 279 ms 19032 KB Output is correct
12 Correct 288 ms 18584 KB Output is correct
13 Correct 279 ms 18864 KB Output is correct
14 Correct 263 ms 18848 KB Output is correct
15 Correct 274 ms 18836 KB Output is correct
16 Correct 267 ms 18840 KB Output is correct
17 Correct 268 ms 18852 KB Output is correct
18 Correct 279 ms 19096 KB Output is correct
19 Correct 264 ms 18716 KB Output is correct
20 Correct 288 ms 18840 KB Output is correct
21 Correct 265 ms 18848 KB Output is correct
22 Correct 264 ms 19660 KB Output is correct
23 Correct 282 ms 19636 KB Output is correct
24 Correct 287 ms 19604 KB Output is correct
25 Correct 291 ms 19500 KB Output is correct
26 Correct 259 ms 19460 KB Output is correct
27 Correct 287 ms 19624 KB Output is correct
28 Correct 275 ms 19676 KB Output is correct
29 Correct 269 ms 19484 KB Output is correct
30 Correct 258 ms 19500 KB Output is correct
31 Correct 285 ms 19484 KB Output is correct
32 Correct 260 ms 19484 KB Output is correct
33 Correct 266 ms 19632 KB Output is correct
34 Correct 260 ms 19488 KB Output is correct
35 Correct 259 ms 19492 KB Output is correct
36 Correct 278 ms 19620 KB Output is correct
37 Correct 263 ms 19552 KB Output is correct
38 Correct 274 ms 19640 KB Output is correct
39 Correct 264 ms 19484 KB Output is correct
40 Correct 261 ms 19608 KB Output is correct
41 Correct 266 ms 19644 KB Output is correct
42 Correct 274 ms 19600 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 18860 KB Output is correct
2 Correct 276 ms 18716 KB Output is correct
3 Correct 266 ms 18860 KB Output is correct
4 Correct 313 ms 18580 KB Output is correct
5 Correct 267 ms 18856 KB Output is correct
6 Correct 272 ms 18804 KB Output is correct
7 Correct 263 ms 18716 KB Output is correct
8 Correct 284 ms 18868 KB Output is correct
9 Correct 293 ms 18844 KB Output is correct
10 Correct 264 ms 18780 KB Output is correct
11 Correct 279 ms 19032 KB Output is correct
12 Correct 288 ms 18584 KB Output is correct
13 Correct 279 ms 18864 KB Output is correct
14 Correct 263 ms 18848 KB Output is correct
15 Correct 274 ms 18836 KB Output is correct
16 Correct 267 ms 18840 KB Output is correct
17 Correct 268 ms 18852 KB Output is correct
18 Correct 279 ms 19096 KB Output is correct
19 Correct 264 ms 18716 KB Output is correct
20 Correct 288 ms 18840 KB Output is correct
21 Correct 265 ms 18848 KB Output is correct
22 Correct 264 ms 19660 KB Output is correct
23 Correct 282 ms 19636 KB Output is correct
24 Correct 287 ms 19604 KB Output is correct
25 Correct 291 ms 19500 KB Output is correct
26 Correct 259 ms 19460 KB Output is correct
27 Correct 287 ms 19624 KB Output is correct
28 Correct 275 ms 19676 KB Output is correct
29 Correct 269 ms 19484 KB Output is correct
30 Correct 258 ms 19500 KB Output is correct
31 Correct 285 ms 19484 KB Output is correct
32 Correct 260 ms 19484 KB Output is correct
33 Correct 266 ms 19632 KB Output is correct
34 Correct 260 ms 19488 KB Output is correct
35 Correct 259 ms 19492 KB Output is correct
36 Correct 278 ms 19620 KB Output is correct
37 Correct 263 ms 19552 KB Output is correct
38 Correct 274 ms 19640 KB Output is correct
39 Correct 264 ms 19484 KB Output is correct
40 Correct 261 ms 19608 KB Output is correct
41 Correct 266 ms 19644 KB Output is correct
42 Correct 274 ms 19600 KB Output is correct
43 Correct 281 ms 19908 KB Output is correct
44 Correct 272 ms 19924 KB Output is correct
45 Correct 270 ms 19896 KB Output is correct
46 Correct 260 ms 19864 KB Output is correct
47 Correct 261 ms 19884 KB Output is correct
48 Correct 284 ms 19924 KB Output is correct
49 Correct 271 ms 19752 KB Output is correct
50 Correct 258 ms 19828 KB Output is correct
51 Correct 267 ms 20028 KB Output is correct
52 Correct 261 ms 19868 KB Output is correct
53 Correct 281 ms 20136 KB Output is correct
54 Correct 260 ms 19824 KB Output is correct
55 Correct 280 ms 19896 KB Output is correct
56 Correct 265 ms 19912 KB Output is correct
57 Correct 271 ms 19640 KB Output is correct
58 Correct 280 ms 19808 KB Output is correct
59 Correct 268 ms 19648 KB Output is correct
60 Correct 304 ms 19864 KB Output is correct
61 Correct 261 ms 19864 KB Output is correct
62 Correct 269 ms 19888 KB Output is correct
63 Correct 269 ms 19684 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 18860 KB Output is correct
2 Correct 276 ms 18716 KB Output is correct
3 Correct 266 ms 18860 KB Output is correct
4 Correct 313 ms 18580 KB Output is correct
5 Correct 267 ms 18856 KB Output is correct
6 Correct 272 ms 18804 KB Output is correct
7 Correct 263 ms 18716 KB Output is correct
8 Correct 284 ms 18868 KB Output is correct
9 Correct 293 ms 18844 KB Output is correct
10 Correct 264 ms 18780 KB Output is correct
11 Correct 279 ms 19032 KB Output is correct
12 Correct 288 ms 18584 KB Output is correct
13 Correct 279 ms 18864 KB Output is correct
14 Correct 263 ms 18848 KB Output is correct
15 Correct 274 ms 18836 KB Output is correct
16 Correct 267 ms 18840 KB Output is correct
17 Correct 268 ms 18852 KB Output is correct
18 Correct 279 ms 19096 KB Output is correct
19 Correct 264 ms 18716 KB Output is correct
20 Correct 288 ms 18840 KB Output is correct
21 Correct 265 ms 18848 KB Output is correct
22 Correct 264 ms 19660 KB Output is correct
23 Correct 282 ms 19636 KB Output is correct
24 Correct 287 ms 19604 KB Output is correct
25 Correct 291 ms 19500 KB Output is correct
26 Correct 259 ms 19460 KB Output is correct
27 Correct 287 ms 19624 KB Output is correct
28 Correct 275 ms 19676 KB Output is correct
29 Correct 269 ms 19484 KB Output is correct
30 Correct 258 ms 19500 KB Output is correct
31 Correct 285 ms 19484 KB Output is correct
32 Correct 260 ms 19484 KB Output is correct
33 Correct 266 ms 19632 KB Output is correct
34 Correct 260 ms 19488 KB Output is correct
35 Correct 259 ms 19492 KB Output is correct
36 Correct 278 ms 19620 KB Output is correct
37 Correct 263 ms 19552 KB Output is correct
38 Correct 274 ms 19640 KB Output is correct
39 Correct 264 ms 19484 KB Output is correct
40 Correct 261 ms 19608 KB Output is correct
41 Correct 266 ms 19644 KB Output is correct
42 Correct 274 ms 19600 KB Output is correct
43 Correct 281 ms 19908 KB Output is correct
44 Correct 272 ms 19924 KB Output is correct
45 Correct 270 ms 19896 KB Output is correct
46 Correct 260 ms 19864 KB Output is correct
47 Correct 261 ms 19884 KB Output is correct
48 Correct 284 ms 19924 KB Output is correct
49 Correct 271 ms 19752 KB Output is correct
50 Correct 258 ms 19828 KB Output is correct
51 Correct 267 ms 20028 KB Output is correct
52 Correct 261 ms 19868 KB Output is correct
53 Correct 281 ms 20136 KB Output is correct
54 Correct 260 ms 19824 KB Output is correct
55 Correct 280 ms 19896 KB Output is correct
56 Correct 265 ms 19912 KB Output is correct
57 Correct 271 ms 19640 KB Output is correct
58 Correct 280 ms 19808 KB Output is correct
59 Correct 268 ms 19648 KB Output is correct
60 Correct 304 ms 19864 KB Output is correct
61 Correct 261 ms 19864 KB Output is correct
62 Correct 269 ms 19888 KB Output is correct
63 Correct 269 ms 19684 KB Output is correct
64 Correct 294 ms 20180 KB Output is correct
65 Correct 298 ms 20848 KB Output is correct
66 Correct 300 ms 20908 KB Output is correct
67 Correct 303 ms 20944 KB Output is correct
68 Correct 297 ms 20760 KB Output is correct
69 Correct 299 ms 21144 KB Output is correct
70 Correct 292 ms 20752 KB Output is correct
71 Correct 292 ms 20764 KB Output is correct
72 Correct 307 ms 20876 KB Output is correct
73 Correct 294 ms 20852 KB Output is correct
74 Correct 307 ms 21048 KB Output is correct
75 Correct 293 ms 20904 KB Output is correct
76 Correct 337 ms 20916 KB Output is correct
77 Correct 303 ms 20828 KB Output is correct
78 Correct 309 ms 21080 KB Output is correct
79 Correct 304 ms 20864 KB Output is correct
80 Correct 306 ms 20752 KB Output is correct
81 Correct 310 ms 20904 KB Output is correct
82 Correct 330 ms 20856 KB Output is correct
83 Correct 314 ms 20920 KB Output is correct
84 Correct 310 ms 20848 KB Output is correct