oj.uz

Submission #948072

# Submission time Handle Problem Language Result Execution time Memory
948072 2024-03-17T14:42:49 Z Vladth11 Cubeword (CEOI19_cubeword) C++14
100 / 100
 307 ms 20480 KB 
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC target ("avx2")
#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: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 276 ms 18720 KB Output is correct
2 Correct 264 ms 18588 KB Output is correct
3 Correct 276 ms 18792 KB Output is correct
4 Correct 266 ms 18584 KB Output is correct
5 Correct 276 ms 18912 KB Output is correct
6 Correct 261 ms 18648 KB Output is correct
7 Correct 268 ms 18868 KB Output is correct
8 Correct 274 ms 19232 KB Output is correct
9 Correct 280 ms 18700 KB Output is correct
10 Correct 280 ms 18868 KB Output is correct
11 Correct 269 ms 18844 KB Output is correct
12 Correct 281 ms 18824 KB Output is correct
13 Correct 267 ms 18852 KB Output is correct
14 Correct 264 ms 18796 KB Output is correct
15 Correct 270 ms 18692 KB Output is correct
16 Correct 266 ms 18836 KB Output is correct
17 Correct 264 ms 18860 KB Output is correct
18 Correct 274 ms 18684 KB Output is correct
19 Correct 267 ms 18808 KB Output is correct
20 Correct 280 ms 19100 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 276 ms 18720 KB Output is correct
2 Correct 264 ms 18588 KB Output is correct
3 Correct 276 ms 18792 KB Output is correct
4 Correct 266 ms 18584 KB Output is correct
5 Correct 276 ms 18912 KB Output is correct
6 Correct 261 ms 18648 KB Output is correct
7 Correct 268 ms 18868 KB Output is correct
8 Correct 274 ms 19232 KB Output is correct
9 Correct 280 ms 18700 KB Output is correct
10 Correct 280 ms 18868 KB Output is correct
11 Correct 269 ms 18844 KB Output is correct
12 Correct 281 ms 18824 KB Output is correct
13 Correct 267 ms 18852 KB Output is correct
14 Correct 264 ms 18796 KB Output is correct
15 Correct 270 ms 18692 KB Output is correct
16 Correct 266 ms 18836 KB Output is correct
17 Correct 264 ms 18860 KB Output is correct
18 Correct 274 ms 18684 KB Output is correct
19 Correct 267 ms 18808 KB Output is correct
20 Correct 280 ms 19100 KB Output is correct
21 Correct 269 ms 18588 KB Output is correct
22 Correct 265 ms 19568 KB Output is correct
23 Correct 269 ms 19608 KB Output is correct
24 Correct 268 ms 19616 KB Output is correct
25 Correct 270 ms 19636 KB Output is correct
26 Correct 263 ms 19592 KB Output is correct
27 Correct 265 ms 19488 KB Output is correct
28 Correct 260 ms 19600 KB Output is correct
29 Correct 272 ms 19488 KB Output is correct
30 Correct 285 ms 19708 KB Output is correct
31 Correct 266 ms 19608 KB Output is correct
32 Correct 283 ms 19624 KB Output is correct
33 Correct 263 ms 19632 KB Output is correct
34 Correct 271 ms 19648 KB Output is correct
35 Correct 263 ms 19604 KB Output is correct
36 Correct 273 ms 19656 KB Output is correct
37 Correct 266 ms 19636 KB Output is correct
38 Correct 264 ms 19588 KB Output is correct
39 Correct 265 ms 19488 KB Output is correct
40 Correct 267 ms 19420 KB Output is correct
41 Correct 268 ms 19612 KB Output is correct
42 Correct 266 ms 19644 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 18720 KB Output is correct
2 Correct 264 ms 18588 KB Output is correct
3 Correct 276 ms 18792 KB Output is correct
4 Correct 266 ms 18584 KB Output is correct
5 Correct 276 ms 18912 KB Output is correct
6 Correct 261 ms 18648 KB Output is correct
7 Correct 268 ms 18868 KB Output is correct
8 Correct 274 ms 19232 KB Output is correct
9 Correct 280 ms 18700 KB Output is correct
10 Correct 280 ms 18868 KB Output is correct
11 Correct 269 ms 18844 KB Output is correct
12 Correct 281 ms 18824 KB Output is correct
13 Correct 267 ms 18852 KB Output is correct
14 Correct 264 ms 18796 KB Output is correct
15 Correct 270 ms 18692 KB Output is correct
16 Correct 266 ms 18836 KB Output is correct
17 Correct 264 ms 18860 KB Output is correct
18 Correct 274 ms 18684 KB Output is correct
19 Correct 267 ms 18808 KB Output is correct
20 Correct 280 ms 19100 KB Output is correct
21 Correct 269 ms 18588 KB Output is correct
22 Correct 265 ms 19568 KB Output is correct
23 Correct 269 ms 19608 KB Output is correct
24 Correct 268 ms 19616 KB Output is correct
25 Correct 270 ms 19636 KB Output is correct
26 Correct 263 ms 19592 KB Output is correct
27 Correct 265 ms 19488 KB Output is correct
28 Correct 260 ms 19600 KB Output is correct
29 Correct 272 ms 19488 KB Output is correct
30 Correct 285 ms 19708 KB Output is correct
31 Correct 266 ms 19608 KB Output is correct
32 Correct 283 ms 19624 KB Output is correct
33 Correct 263 ms 19632 KB Output is correct
34 Correct 271 ms 19648 KB Output is correct
35 Correct 263 ms 19604 KB Output is correct
36 Correct 273 ms 19656 KB Output is correct
37 Correct 266 ms 19636 KB Output is correct
38 Correct 264 ms 19588 KB Output is correct
39 Correct 265 ms 19488 KB Output is correct
40 Correct 267 ms 19420 KB Output is correct
41 Correct 268 ms 19612 KB Output is correct
42 Correct 266 ms 19644 KB Output is correct
43 Correct 262 ms 19852 KB Output is correct
44 Correct 264 ms 19916 KB Output is correct
45 Correct 265 ms 19864 KB Output is correct
46 Correct 266 ms 19900 KB Output is correct
47 Correct 277 ms 19652 KB Output is correct
48 Correct 263 ms 19900 KB Output is correct
49 Correct 258 ms 19904 KB Output is correct
50 Correct 265 ms 19920 KB Output is correct
51 Correct 260 ms 19732 KB Output is correct
52 Correct 273 ms 19860 KB Output is correct
53 Correct 260 ms 19900 KB Output is correct
54 Correct 263 ms 19900 KB Output is correct
55 Correct 261 ms 19864 KB Output is correct
56 Correct 265 ms 19908 KB Output is correct
57 Correct 264 ms 19828 KB Output is correct
58 Correct 269 ms 19800 KB Output is correct
59 Correct 276 ms 19860 KB Output is correct
60 Correct 266 ms 19696 KB Output is correct
61 Correct 270 ms 20116 KB Output is correct
62 Correct 262 ms 19852 KB Output is correct
63 Correct 266 ms 19704 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 18720 KB Output is correct
2 Correct 264 ms 18588 KB Output is correct
3 Correct 276 ms 18792 KB Output is correct
4 Correct 266 ms 18584 KB Output is correct
5 Correct 276 ms 18912 KB Output is correct
6 Correct 261 ms 18648 KB Output is correct
7 Correct 268 ms 18868 KB Output is correct
8 Correct 274 ms 19232 KB Output is correct
9 Correct 280 ms 18700 KB Output is correct
10 Correct 280 ms 18868 KB Output is correct
11 Correct 269 ms 18844 KB Output is correct
12 Correct 281 ms 18824 KB Output is correct
13 Correct 267 ms 18852 KB Output is correct
14 Correct 264 ms 18796 KB Output is correct
15 Correct 270 ms 18692 KB Output is correct
16 Correct 266 ms 18836 KB Output is correct
17 Correct 264 ms 18860 KB Output is correct
18 Correct 274 ms 18684 KB Output is correct
19 Correct 267 ms 18808 KB Output is correct
20 Correct 280 ms 19100 KB Output is correct
21 Correct 269 ms 18588 KB Output is correct
22 Correct 265 ms 19568 KB Output is correct
23 Correct 269 ms 19608 KB Output is correct
24 Correct 268 ms 19616 KB Output is correct
25 Correct 270 ms 19636 KB Output is correct
26 Correct 263 ms 19592 KB Output is correct
27 Correct 265 ms 19488 KB Output is correct
28 Correct 260 ms 19600 KB Output is correct
29 Correct 272 ms 19488 KB Output is correct
30 Correct 285 ms 19708 KB Output is correct
31 Correct 266 ms 19608 KB Output is correct
32 Correct 283 ms 19624 KB Output is correct
33 Correct 263 ms 19632 KB Output is correct
34 Correct 271 ms 19648 KB Output is correct
35 Correct 263 ms 19604 KB Output is correct
36 Correct 273 ms 19656 KB Output is correct
37 Correct 266 ms 19636 KB Output is correct
38 Correct 264 ms 19588 KB Output is correct
39 Correct 265 ms 19488 KB Output is correct
40 Correct 267 ms 19420 KB Output is correct
41 Correct 268 ms 19612 KB Output is correct
42 Correct 266 ms 19644 KB Output is correct
43 Correct 262 ms 19852 KB Output is correct
44 Correct 264 ms 19916 KB Output is correct
45 Correct 265 ms 19864 KB Output is correct
46 Correct 266 ms 19900 KB Output is correct
47 Correct 277 ms 19652 KB Output is correct
48 Correct 263 ms 19900 KB Output is correct
49 Correct 258 ms 19904 KB Output is correct
50 Correct 265 ms 19920 KB Output is correct
51 Correct 260 ms 19732 KB Output is correct
52 Correct 273 ms 19860 KB Output is correct
53 Correct 260 ms 19900 KB Output is correct
54 Correct 263 ms 19900 KB Output is correct
55 Correct 261 ms 19864 KB Output is correct
56 Correct 265 ms 19908 KB Output is correct
57 Correct 264 ms 19828 KB Output is correct
58 Correct 269 ms 19800 KB Output is correct
59 Correct 276 ms 19860 KB Output is correct
60 Correct 266 ms 19696 KB Output is correct
61 Correct 270 ms 20116 KB Output is correct
62 Correct 262 ms 19852 KB Output is correct
63 Correct 266 ms 19704 KB Output is correct
64 Correct 300 ms 20132 KB Output is correct
65 Correct 295 ms 20116 KB Output is correct
66 Correct 299 ms 20376 KB Output is correct
67 Correct 293 ms 20184 KB Output is correct
68 Correct 298 ms 20000 KB Output is correct
69 Correct 294 ms 20116 KB Output is correct
70 Correct 295 ms 20128 KB Output is correct
71 Correct 304 ms 20216 KB Output is correct
72 Correct 296 ms 20116 KB Output is correct
73 Correct 304 ms 20324 KB Output is correct
74 Correct 298 ms 20036 KB Output is correct
75 Correct 296 ms 20120 KB Output is correct
76 Correct 307 ms 20480 KB Output is correct
77 Correct 300 ms 20180 KB Output is correct
78 Correct 295 ms 20376 KB Output is correct
79 Correct 290 ms 19988 KB Output is correct
80 Correct 305 ms 20240 KB Output is correct
81 Correct 293 ms 20364 KB Output is correct
82 Correct 299 ms 20116 KB Output is correct
83 Correct 294 ms 20180 KB Output is correct
84 Correct 297 ms 20008 KB Output is correct