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Submission #446313

# Submission time Handle Problem Language Result Execution time Memory
446313 2021-07-21T14:21:14 Z qwerasdfzxcl Cubeword (CEOI19_cubeword) C++14
84 / 100
 1100 ms 22160 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("avx,avx2,fma")
#define MX 62

typedef long long ll;
using namespace std;
const int MOD = 998244353;
int cnt[101][101][101];
int a[8], b[12] = {0, 1, 2, 3, 0, 1, 2, 3, 4, 5, 6, 7}, c[12] = {1, 2, 3, 0, 4, 5, 6, 7, 5, 6, 7, 4};
int mp[505], val[11][101][101][101];

bool chk(string &s){
    int n = s.size();
    for (int i=0;i<n;i++){
        int j = n-1-i;
        if (i>j) break;
        if (s[i]!=s[j]) return 0;
    }
    return 1;
}

int main(){
    cin.tie(NULL);
    ios_base::sync_with_stdio(false);
    int n;
    cin >> n;
    unordered_set<string> st[11];

    for (int i='a';i<='z';i++){
        mp[i] = i-'a';
    }
    for (int i='A';i<='Z';i++){
        mp[i] = i-'A'+26;
    }
    for (int i='0';i<='9';i++){
        mp[i] = i-'0'+52;
    }
    for (int i=0;i<n;i++){
        string s;
        cin >> s;
        int idx1 = mp[s[0]], idx2 = mp[s.back()], len = s.size();
        cnt[len][idx1][idx2]++;
        cnt[len][idx2][idx1]++;
        if (st[len].find(s)!=st[len].end()){
            cnt[len][idx1][idx2]--;
            cnt[len][idx2][idx1]--;
            continue;
        }
        reverse(s.begin(), s.end());
        if (st[len].find(s)!=st[len].end()){
            cnt[len][idx1][idx2]--;
            cnt[len][idx2][idx1]--;
            continue;
        }
        if (chk(s)) cnt[(int)s.size()][idx2][idx1]--;
        st[len].insert(s);
    }

    for (register int len=3;len<=10;len++){
        for (register int i=0;i<MX;i++){
            for (register int j=0;j<MX;j++){
                for (register int k=0;k<MX;k++){
                    for (register int l=0;l<MX;l++){
                        ll tmp = (ll)cnt[len][i][l] * cnt[len][j][l];
                        if (tmp>=MOD) tmp %= MOD;
                        tmp *= cnt[len][k][l];
                        if (tmp>=MOD) tmp %= MOD;
                        if (!tmp) continue;
                        val[len][i][j][k] += tmp;
                        if (val[len][i][j][k]>=MOD) val[len][i][j][k] -= MOD;
                    }
                }
            }
        }
    }
    int ans = 0;
    for (register int len=3;len<=10;len++){
        for (register int i=0;i<MX;i++){
            for (register int j=0;j<MX;j++){
                for (register int k=0;k<MX;k++){
                    for (register int l=0;l<MX;l++){
                        ll tmp = val[len][i][j][k];
                        tmp = tmp*val[len][i][j][l];
                        if (tmp>=MOD) tmp %= MOD;
                        tmp = tmp*val[len][i][k][l];
                        if (tmp>=MOD) tmp %= MOD;
                        tmp = tmp*val[len][j][k][l];
                        if (tmp>=MOD) tmp %= MOD;
                        if (!tmp) continue;
                        ans += tmp;
                        if (ans>=MOD) ans -= MOD;
                    }
                }
            }
        }
    }
    printf("%d\n", ans);
    return 0;
}

Compilation message

cubeword.cpp: In function 'int main()':
cubeword.cpp:42:27: warning: array subscript has type 'char' [-Wchar-subscripts]
   42 |         int idx1 = mp[s[0]], idx2 = mp[s.back()], len = s.size();
      |                           ^
cubeword.cpp:42:46: warning: array subscript has type 'char' [-Wchar-subscripts]
   42 |         int idx1 = mp[s[0]], idx2 = mp[s.back()], len = s.size();
      |                                        ~~~~~~^~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 751 ms 7396 KB Output is correct
2 Correct 735 ms 7384 KB Output is correct
3 Correct 735 ms 7364 KB Output is correct
4 Correct 767 ms 7400 KB Output is correct
5 Correct 751 ms 7480 KB Output is correct
6 Correct 731 ms 7456 KB Output is correct
7 Correct 739 ms 7304 KB Output is correct
8 Correct 825 ms 7372 KB Output is correct
9 Correct 748 ms 7328 KB Output is correct
10 Correct 735 ms 7524 KB Output is correct
11 Correct 730 ms 7396 KB Output is correct
12 Correct 744 ms 7516 KB Output is correct
13 Correct 753 ms 7520 KB Output is correct
14 Correct 754 ms 7456 KB Output is correct
15 Correct 800 ms 7388 KB Output is correct
16 Correct 734 ms 7472 KB Output is correct
17 Correct 731 ms 7416 KB Output is correct
18 Correct 768 ms 7388 KB Output is correct
19 Correct 738 ms 7608 KB Output is correct
20 Correct 733 ms 7520 KB Output is correct
21 Correct 741 ms 7536 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 751 ms 7396 KB Output is correct
2 Correct 735 ms 7384 KB Output is correct
3 Correct 735 ms 7364 KB Output is correct
4 Correct 767 ms 7400 KB Output is correct
5 Correct 751 ms 7480 KB Output is correct
6 Correct 731 ms 7456 KB Output is correct
7 Correct 739 ms 7304 KB Output is correct
8 Correct 825 ms 7372 KB Output is correct
9 Correct 748 ms 7328 KB Output is correct
10 Correct 735 ms 7524 KB Output is correct
11 Correct 730 ms 7396 KB Output is correct
12 Correct 744 ms 7516 KB Output is correct
13 Correct 753 ms 7520 KB Output is correct
14 Correct 754 ms 7456 KB Output is correct
15 Correct 800 ms 7388 KB Output is correct
16 Correct 734 ms 7472 KB Output is correct
17 Correct 731 ms 7416 KB Output is correct
18 Correct 768 ms 7388 KB Output is correct
19 Correct 738 ms 7608 KB Output is correct
20 Correct 733 ms 7520 KB Output is correct
21 Correct 741 ms 7536 KB Output is correct
22 Correct 759 ms 9016 KB Output is correct
23 Correct 796 ms 9080 KB Output is correct
24 Correct 762 ms 8972 KB Output is correct
25 Correct 761 ms 8976 KB Output is correct
26 Correct 751 ms 8976 KB Output is correct
27 Correct 737 ms 8976 KB Output is correct
28 Correct 769 ms 9020 KB Output is correct
29 Correct 753 ms 8896 KB Output is correct
30 Correct 750 ms 8980 KB Output is correct
31 Correct 753 ms 8980 KB Output is correct
32 Correct 754 ms 9028 KB Output is correct
33 Correct 757 ms 8972 KB Output is correct
34 Correct 755 ms 9004 KB Output is correct
35 Correct 742 ms 8976 KB Output is correct
36 Correct 829 ms 8980 KB Output is correct
37 Correct 777 ms 8972 KB Output is correct
38 Correct 784 ms 9080 KB Output is correct
39 Correct 753 ms 8988 KB Output is correct
40 Correct 758 ms 8960 KB Output is correct
41 Correct 783 ms 9096 KB Output is correct
42 Correct 759 ms 8968 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 751 ms 7396 KB Output is correct
2 Correct 735 ms 7384 KB Output is correct
3 Correct 735 ms 7364 KB Output is correct
4 Correct 767 ms 7400 KB Output is correct
5 Correct 751 ms 7480 KB Output is correct
6 Correct 731 ms 7456 KB Output is correct
7 Correct 739 ms 7304 KB Output is correct
8 Correct 825 ms 7372 KB Output is correct
9 Correct 748 ms 7328 KB Output is correct
10 Correct 735 ms 7524 KB Output is correct
11 Correct 730 ms 7396 KB Output is correct
12 Correct 744 ms 7516 KB Output is correct
13 Correct 753 ms 7520 KB Output is correct
14 Correct 754 ms 7456 KB Output is correct
15 Correct 800 ms 7388 KB Output is correct
16 Correct 734 ms 7472 KB Output is correct
17 Correct 731 ms 7416 KB Output is correct
18 Correct 768 ms 7388 KB Output is correct
19 Correct 738 ms 7608 KB Output is correct
20 Correct 733 ms 7520 KB Output is correct
21 Correct 741 ms 7536 KB Output is correct
22 Correct 759 ms 9016 KB Output is correct
23 Correct 796 ms 9080 KB Output is correct
24 Correct 762 ms 8972 KB Output is correct
25 Correct 761 ms 8976 KB Output is correct
26 Correct 751 ms 8976 KB Output is correct
27 Correct 737 ms 8976 KB Output is correct
28 Correct 769 ms 9020 KB Output is correct
29 Correct 753 ms 8896 KB Output is correct
30 Correct 750 ms 8980 KB Output is correct
31 Correct 753 ms 8980 KB Output is correct
32 Correct 754 ms 9028 KB Output is correct
33 Correct 757 ms 8972 KB Output is correct
34 Correct 755 ms 9004 KB Output is correct
35 Correct 742 ms 8976 KB Output is correct
36 Correct 829 ms 8980 KB Output is correct
37 Correct 777 ms 8972 KB Output is correct
38 Correct 784 ms 9080 KB Output is correct
39 Correct 753 ms 8988 KB Output is correct
40 Correct 758 ms 8960 KB Output is correct
41 Correct 783 ms 9096 KB Output is correct
42 Correct 759 ms 8968 KB Output is correct
43 Correct 805 ms 13072 KB Output is correct
44 Correct 824 ms 13140 KB Output is correct
45 Correct 859 ms 13124 KB Output is correct
46 Correct 814 ms 13060 KB Output is correct
47 Correct 809 ms 13060 KB Output is correct
48 Correct 837 ms 13220 KB Output is correct
49 Correct 811 ms 13068 KB Output is correct
50 Correct 869 ms 13060 KB Output is correct
51 Correct 812 ms 13104 KB Output is correct
52 Correct 815 ms 13120 KB Output is correct
53 Correct 802 ms 13148 KB Output is correct
54 Correct 823 ms 13140 KB Output is correct
55 Correct 810 ms 13064 KB Output is correct
56 Correct 822 ms 13112 KB Output is correct
57 Correct 830 ms 13152 KB Output is correct
58 Correct 796 ms 13040 KB Output is correct
59 Correct 816 ms 13060 KB Output is correct
60 Correct 803 ms 13064 KB Output is correct
61 Correct 804 ms 13060 KB Output is correct
62 Correct 806 ms 13124 KB Output is correct
63 Correct 810 ms 13060 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 751 ms 7396 KB Output is correct
2 Correct 735 ms 7384 KB Output is correct
3 Correct 735 ms 7364 KB Output is correct
4 Correct 767 ms 7400 KB Output is correct
5 Correct 751 ms 7480 KB Output is correct
6 Correct 731 ms 7456 KB Output is correct
7 Correct 739 ms 7304 KB Output is correct
8 Correct 825 ms 7372 KB Output is correct
9 Correct 748 ms 7328 KB Output is correct
10 Correct 735 ms 7524 KB Output is correct
11 Correct 730 ms 7396 KB Output is correct
12 Correct 744 ms 7516 KB Output is correct
13 Correct 753 ms 7520 KB Output is correct
14 Correct 754 ms 7456 KB Output is correct
15 Correct 800 ms 7388 KB Output is correct
16 Correct 734 ms 7472 KB Output is correct
17 Correct 731 ms 7416 KB Output is correct
18 Correct 768 ms 7388 KB Output is correct
19 Correct 738 ms 7608 KB Output is correct
20 Correct 733 ms 7520 KB Output is correct
21 Correct 741 ms 7536 KB Output is correct
22 Correct 759 ms 9016 KB Output is correct
23 Correct 796 ms 9080 KB Output is correct
24 Correct 762 ms 8972 KB Output is correct
25 Correct 761 ms 8976 KB Output is correct
26 Correct 751 ms 8976 KB Output is correct
27 Correct 737 ms 8976 KB Output is correct
28 Correct 769 ms 9020 KB Output is correct
29 Correct 753 ms 8896 KB Output is correct
30 Correct 750 ms 8980 KB Output is correct
31 Correct 753 ms 8980 KB Output is correct
32 Correct 754 ms 9028 KB Output is correct
33 Correct 757 ms 8972 KB Output is correct
34 Correct 755 ms 9004 KB Output is correct
35 Correct 742 ms 8976 KB Output is correct
36 Correct 829 ms 8980 KB Output is correct
37 Correct 777 ms 8972 KB Output is correct
38 Correct 784 ms 9080 KB Output is correct
39 Correct 753 ms 8988 KB Output is correct
40 Correct 758 ms 8960 KB Output is correct
41 Correct 783 ms 9096 KB Output is correct
42 Correct 759 ms 8968 KB Output is correct
43 Correct 805 ms 13072 KB Output is correct
44 Correct 824 ms 13140 KB Output is correct
45 Correct 859 ms 13124 KB Output is correct
46 Correct 814 ms 13060 KB Output is correct
47 Correct 809 ms 13060 KB Output is correct
48 Correct 837 ms 13220 KB Output is correct
49 Correct 811 ms 13068 KB Output is correct
50 Correct 869 ms 13060 KB Output is correct
51 Correct 812 ms 13104 KB Output is correct
52 Correct 815 ms 13120 KB Output is correct
53 Correct 802 ms 13148 KB Output is correct
54 Correct 823 ms 13140 KB Output is correct
55 Correct 810 ms 13064 KB Output is correct
56 Correct 822 ms 13112 KB Output is correct
57 Correct 830 ms 13152 KB Output is correct
58 Correct 796 ms 13040 KB Output is correct
59 Correct 816 ms 13060 KB Output is correct
60 Correct 803 ms 13064 KB Output is correct
61 Correct 804 ms 13060 KB Output is correct
62 Correct 806 ms 13124 KB Output is correct
63 Correct 810 ms 13060 KB Output is correct
64 Execution timed out 1198 ms 22160 KB Time limit exceeded
65 Halted 0 ms 0 KB -