oj.uz

Submission #949525

# Submission time Handle Problem Language Result Execution time Memory
949525 2024-03-19T10:18:59 Z gaga999 Cubeword (CEOI19_cubeword) C++17
84 / 100
 1100 ms 213652 KB 
#include <cstdio>
#include <stdio.h>
#include <iostream>
#include <math.h>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <algorithm>
#include <utility>
#include <set>
#include <map>
#include <stdlib.h>
#include <cstring>
#include <string.h>
#include <string>
#include <sstream>
#include <assert.h>
#include <climits>
#include <sstream>
#include <numeric>
#include <time.h>
#include <limits.h>
#include <list>
#include <bitset>
#include <unordered_map>
#include <unordered_set>
#include <random>
#include <iomanip>
#include <complex>
#include <chrono>
#include <fstream>
#include <functional>
#include <unistd.h>
// #pragma GCC optimize("Ofast,no-stack-protector")
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx,avx2,bmi,bmi2,lzcnt,popcnt")
#define lowbit(x) ((x) & -(x))
#define ml(a, b) ((1ll * (a) * (b)) % M)
#define tml(a, b) (a) = ((1ll * (a) * (b)) % M)
#define ad(a, b) ((0ll + (a) + (b)) % M)
#define tad(a, b) (a) = ((0ll + (a) + (b)) % M)
#define mi(a, b) ((0ll + M + (a) - (b)) % M)
#define tmi(a, b) (a) = ((0ll + M + (a) - (b)) % M)
#define tmin(a, b) (a) = min((a), (b))
#define tmax(a, b) (a) = max((a), (b))
#define iter(a) (a).begin(), (a).end()
#define riter(a) (a).rbegin(), (a).rend()
#define init(a, b) memset((a), (b), sizeof(a))
#define cpy(a, b) memcpy((a), (b), sizeof(a))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define size(x) (int)x.size()
#define pb emplace_back
#define mpr make_pair
#define ls(i) ((i) << 1)
#define rs(i) ((i) << 1 | 1)
#define INF 0x3f3f3f3f
#define NIF 0xc0c0c0c0
#define eps 1e-9
#define F first
#define S second
#define AC cin.tie(0)->sync_with_stdio(0)
using namespace std;
typedef long long llt;
typedef pair<int, int> pii;
typedef pair<double, double> pdd;
typedef pair<llt, llt> pll;
typedef complex<double> cd;
const int M = 998244353;

// random_device rm;
// mt19937 rg(rm());
// default_random_engine rg(rm());
// uniform_int_distribution<int> rd(INT_MIN, INT_MAX);
// uniform_real_distribution<double> rd(0, M_PI);

void db() { cerr << "\n"; }
template <class T, class... U>
void db(T a, U... b) { cerr << a << " ", db(b...); }

inline char gc()
{
    const static int SZ = 1 << 16;
    static char buf[SZ], *p1, *p2;
    if (p1 == p2 && (p2 = buf + fread(p1 = buf, 1, SZ, stdin), p1 == p2))
        return -1;
    return *p1++;
}
void rd() {}
template <typename T, typename... U>
void rd(T &x, U &...y)
{
    x = 0;
    bool f = 0;
    char c = gc();
    while (!isdigit(c))
        f ^= !(c ^ 45), c = gc();
    while (isdigit(c))
        x = (x << 1) + (x << 3) + (c ^ 48), c = gc();
    f && (x = -x), rd(y...);
}

template <typename T>
void prt(T x)
{
    if (x < 0)
        putchar('-'), x = -x;
    if (x > 9)
        prt(x / 10);
    putchar((x % 10) ^ 48);
}

int ct[15][62][62], dp[15][62][62][62];

inline int gv(char c)
{
    if (isdigit(c))
        return c - '0';
    if ('a' <= c && c <= 'z')
        return c - 'a' + 10;
    return c - 'A' + 36;
}
const int N = 1e6 + 6;
char s[15], *p;
int tr[62][N], ctd;
bitset<N> ed;
bool ok[15];

inline void add()
{
    int cr = 0;
    for (char *i = s; i < p; i++)
    {
        if (!tr[*i][cr])
            tr[*i][cr] = ++ctd;
        cr = tr[*i][cr];
    }
    ed[cr] = 1;
}

void dfs(int cr, int d)
{
    d++;
    for (int i = 0; i < 62; i++)
    {
        if (tr[i][cr])
        {
            if (ed[tr[i][cr]])
                ct[d][*p][i]++, ok[d] = 1;
            dfs(tr[i][cr], d);
        }
    }
}

signed main()
{
    int n;
    scanf("%d", &n);
    for (int i = 0; i < n; i++)
    {
        scanf("%s", s);
        for (p = s; *p; p++)
            *p = gv(*p);
        add();
        reverse(s, p);
        add();
    }
    for (int i = 0; i < 62; i++)
        if (tr[i][0])
            *p = i, dfs(tr[i][0], 1);
    int ans = 0;
    for (int l = 3; l <= 10; l++)
    {
        if (!ok[l])
            continue;
        for (int i = 0; i < 62; i++)
        {
            for (int a = 0; a < 62; a++)
            {
                if (!ct[l][i][a])
                    continue;
                for (int b = 0; b < 62; b++)
                {
                    if (!ct[l][i][b])
                        continue;
                    for (int c = 0; c < 62; c++)
                    {
                        (dp[l][a][b][c] += 1ll * ct[l][i][a] * ct[l][i][b] % M * ct[l][i][c] % M) %= M;
                    }
                }
            }
        }
        for (int i = 0; i < 62; i++)
        {
            for (int a = 0; a < 62; a++)
            {
                for (int b = 0; b < 62; b++)
                {
                    for (int c = 0; c < 62; c++)
                    {
                        (ans += 1ll * dp[l][a][b][c] * dp[l][a][b][i] % M * dp[l][i][c][a] % M * dp[l][i][c][b] % M) %= M;
                    }
                }
            }
        }
    }
    printf("%d\n", ans);
}

Compilation message

cubeword.cpp: In function 'void add()':
cubeword.cpp:134:17: warning: array subscript has type 'char' [-Wchar-subscripts]
  134 |         if (!tr[*i][cr])
      |                 ^~
cubeword.cpp:135:16: warning: array subscript has type 'char' [-Wchar-subscripts]
  135 |             tr[*i][cr] = ++ctd;
      |                ^~
cubeword.cpp:136:17: warning: array subscript has type 'char' [-Wchar-subscripts]
  136 |         cr = tr[*i][cr];
      |                 ^~
cubeword.cpp: In function 'void dfs(int, int)':
cubeword.cpp:149:23: warning: array subscript has type 'char' [-Wchar-subscripts]
  149 |                 ct[d][*p][i]++, ok[d] = 1;
      |                       ^~
cubeword.cpp: In function 'int main()':
cubeword.cpp:158:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  158 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
cubeword.cpp:161:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  161 |         scanf("%s", s);
      |         ~~~~~^~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 791 ms 13200 KB Output is correct
2 Correct 754 ms 13388 KB Output is correct
3 Correct 759 ms 13436 KB Output is correct
4 Correct 748 ms 13476 KB Output is correct
5 Correct 784 ms 13396 KB Output is correct
6 Correct 756 ms 13396 KB Output is correct
7 Correct 752 ms 13396 KB Output is correct
8 Correct 754 ms 13392 KB Output is correct
9 Correct 770 ms 13364 KB Output is correct
10 Correct 758 ms 13416 KB Output is correct
11 Correct 755 ms 13452 KB Output is correct
12 Correct 752 ms 13392 KB Output is correct
13 Correct 749 ms 13492 KB Output is correct
14 Correct 751 ms 13408 KB Output is correct
15 Correct 758 ms 13396 KB Output is correct
16 Correct 803 ms 13360 KB Output is correct
17 Correct 772 ms 13772 KB Output is correct
18 Correct 746 ms 13372 KB Output is correct
19 Correct 753 ms 13360 KB Output is correct
20 Correct 764 ms 13532 KB Output is correct
21 Correct 770 ms 13352 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 791 ms 13200 KB Output is correct
2 Correct 754 ms 13388 KB Output is correct
3 Correct 759 ms 13436 KB Output is correct
4 Correct 748 ms 13476 KB Output is correct
5 Correct 784 ms 13396 KB Output is correct
6 Correct 756 ms 13396 KB Output is correct
7 Correct 752 ms 13396 KB Output is correct
8 Correct 754 ms 13392 KB Output is correct
9 Correct 770 ms 13364 KB Output is correct
10 Correct 758 ms 13416 KB Output is correct
11 Correct 755 ms 13452 KB Output is correct
12 Correct 752 ms 13392 KB Output is correct
13 Correct 749 ms 13492 KB Output is correct
14 Correct 751 ms 13408 KB Output is correct
15 Correct 758 ms 13396 KB Output is correct
16 Correct 803 ms 13360 KB Output is correct
17 Correct 772 ms 13772 KB Output is correct
18 Correct 746 ms 13372 KB Output is correct
19 Correct 753 ms 13360 KB Output is correct
20 Correct 764 ms 13532 KB Output is correct
21 Correct 770 ms 13352 KB Output is correct
22 Correct 846 ms 44628 KB Output is correct
23 Correct 835 ms 44728 KB Output is correct
24 Correct 834 ms 44648 KB Output is correct
25 Correct 825 ms 44536 KB Output is correct
26 Correct 837 ms 44788 KB Output is correct
27 Correct 826 ms 44884 KB Output is correct
28 Correct 845 ms 44840 KB Output is correct
29 Correct 854 ms 44628 KB Output is correct
30 Correct 835 ms 44712 KB Output is correct
31 Correct 833 ms 44620 KB Output is correct
32 Correct 834 ms 44728 KB Output is correct
33 Correct 885 ms 44708 KB Output is correct
34 Correct 851 ms 44660 KB Output is correct
35 Correct 867 ms 44844 KB Output is correct
36 Correct 834 ms 44908 KB Output is correct
37 Correct 862 ms 44780 KB Output is correct
38 Correct 857 ms 44748 KB Output is correct
39 Correct 844 ms 44880 KB Output is correct
40 Correct 841 ms 44868 KB Output is correct
41 Correct 831 ms 44880 KB Output is correct
42 Correct 845 ms 44488 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 791 ms 13200 KB Output is correct
2 Correct 754 ms 13388 KB Output is correct
3 Correct 759 ms 13436 KB Output is correct
4 Correct 748 ms 13476 KB Output is correct
5 Correct 784 ms 13396 KB Output is correct
6 Correct 756 ms 13396 KB Output is correct
7 Correct 752 ms 13396 KB Output is correct
8 Correct 754 ms 13392 KB Output is correct
9 Correct 770 ms 13364 KB Output is correct
10 Correct 758 ms 13416 KB Output is correct
11 Correct 755 ms 13452 KB Output is correct
12 Correct 752 ms 13392 KB Output is correct
13 Correct 749 ms 13492 KB Output is correct
14 Correct 751 ms 13408 KB Output is correct
15 Correct 758 ms 13396 KB Output is correct
16 Correct 803 ms 13360 KB Output is correct
17 Correct 772 ms 13772 KB Output is correct
18 Correct 746 ms 13372 KB Output is correct
19 Correct 753 ms 13360 KB Output is correct
20 Correct 764 ms 13532 KB Output is correct
21 Correct 770 ms 13352 KB Output is correct
22 Correct 846 ms 44628 KB Output is correct
23 Correct 835 ms 44728 KB Output is correct
24 Correct 834 ms 44648 KB Output is correct
25 Correct 825 ms 44536 KB Output is correct
26 Correct 837 ms 44788 KB Output is correct
27 Correct 826 ms 44884 KB Output is correct
28 Correct 845 ms 44840 KB Output is correct
29 Correct 854 ms 44628 KB Output is correct
30 Correct 835 ms 44712 KB Output is correct
31 Correct 833 ms 44620 KB Output is correct
32 Correct 834 ms 44728 KB Output is correct
33 Correct 885 ms 44708 KB Output is correct
34 Correct 851 ms 44660 KB Output is correct
35 Correct 867 ms 44844 KB Output is correct
36 Correct 834 ms 44908 KB Output is correct
37 Correct 862 ms 44780 KB Output is correct
38 Correct 857 ms 44748 KB Output is correct
39 Correct 844 ms 44880 KB Output is correct
40 Correct 841 ms 44868 KB Output is correct
41 Correct 831 ms 44880 KB Output is correct
42 Correct 845 ms 44488 KB Output is correct
43 Correct 960 ms 99172 KB Output is correct
44 Correct 944 ms 99412 KB Output is correct
45 Correct 988 ms 99224 KB Output is correct
46 Correct 961 ms 99332 KB Output is correct
47 Correct 948 ms 99156 KB Output is correct
48 Correct 999 ms 99576 KB Output is correct
49 Correct 959 ms 99240 KB Output is correct
50 Correct 968 ms 99664 KB Output is correct
51 Correct 953 ms 99412 KB Output is correct
52 Correct 966 ms 99408 KB Output is correct
53 Correct 976 ms 99600 KB Output is correct
54 Correct 993 ms 99756 KB Output is correct
55 Correct 965 ms 99372 KB Output is correct
56 Correct 966 ms 99820 KB Output is correct
57 Correct 953 ms 99188 KB Output is correct
58 Correct 948 ms 99328 KB Output is correct
59 Correct 952 ms 99476 KB Output is correct
60 Correct 1000 ms 99308 KB Output is correct
61 Correct 954 ms 99472 KB Output is correct
62 Correct 991 ms 99444 KB Output is correct
63 Correct 994 ms 99348 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 791 ms 13200 KB Output is correct
2 Correct 754 ms 13388 KB Output is correct
3 Correct 759 ms 13436 KB Output is correct
4 Correct 748 ms 13476 KB Output is correct
5 Correct 784 ms 13396 KB Output is correct
6 Correct 756 ms 13396 KB Output is correct
7 Correct 752 ms 13396 KB Output is correct
8 Correct 754 ms 13392 KB Output is correct
9 Correct 770 ms 13364 KB Output is correct
10 Correct 758 ms 13416 KB Output is correct
11 Correct 755 ms 13452 KB Output is correct
12 Correct 752 ms 13392 KB Output is correct
13 Correct 749 ms 13492 KB Output is correct
14 Correct 751 ms 13408 KB Output is correct
15 Correct 758 ms 13396 KB Output is correct
16 Correct 803 ms 13360 KB Output is correct
17 Correct 772 ms 13772 KB Output is correct
18 Correct 746 ms 13372 KB Output is correct
19 Correct 753 ms 13360 KB Output is correct
20 Correct 764 ms 13532 KB Output is correct
21 Correct 770 ms 13352 KB Output is correct
22 Correct 846 ms 44628 KB Output is correct
23 Correct 835 ms 44728 KB Output is correct
24 Correct 834 ms 44648 KB Output is correct
25 Correct 825 ms 44536 KB Output is correct
26 Correct 837 ms 44788 KB Output is correct
27 Correct 826 ms 44884 KB Output is correct
28 Correct 845 ms 44840 KB Output is correct
29 Correct 854 ms 44628 KB Output is correct
30 Correct 835 ms 44712 KB Output is correct
31 Correct 833 ms 44620 KB Output is correct
32 Correct 834 ms 44728 KB Output is correct
33 Correct 885 ms 44708 KB Output is correct
34 Correct 851 ms 44660 KB Output is correct
35 Correct 867 ms 44844 KB Output is correct
36 Correct 834 ms 44908 KB Output is correct
37 Correct 862 ms 44780 KB Output is correct
38 Correct 857 ms 44748 KB Output is correct
39 Correct 844 ms 44880 KB Output is correct
40 Correct 841 ms 44868 KB Output is correct
41 Correct 831 ms 44880 KB Output is correct
42 Correct 845 ms 44488 KB Output is correct
43 Correct 960 ms 99172 KB Output is correct
44 Correct 944 ms 99412 KB Output is correct
45 Correct 988 ms 99224 KB Output is correct
46 Correct 961 ms 99332 KB Output is correct
47 Correct 948 ms 99156 KB Output is correct
48 Correct 999 ms 99576 KB Output is correct
49 Correct 959 ms 99240 KB Output is correct
50 Correct 968 ms 99664 KB Output is correct
51 Correct 953 ms 99412 KB Output is correct
52 Correct 966 ms 99408 KB Output is correct
53 Correct 976 ms 99600 KB Output is correct
54 Correct 993 ms 99756 KB Output is correct
55 Correct 965 ms 99372 KB Output is correct
56 Correct 966 ms 99820 KB Output is correct
57 Correct 953 ms 99188 KB Output is correct
58 Correct 948 ms 99328 KB Output is correct
59 Correct 952 ms 99476 KB Output is correct
60 Correct 1000 ms 99308 KB Output is correct
61 Correct 954 ms 99472 KB Output is correct
62 Correct 991 ms 99444 KB Output is correct
63 Correct 994 ms 99348 KB Output is correct
64 Execution timed out 1166 ms 213652 KB Time limit exceeded
65 Halted 0 ms 0 KB -