oj.uz

Submission #752153

# Submission time Handle Problem Language Result Execution time Memory
752153 2023-06-02T11:20:43 Z Sam_a17 Cubeword (CEOI19_cubeword) C++17
84 / 100
 1100 ms 9220 KB 
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;
 
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
 
#define sz(x) (int((x).size()))
#define len(x) (int)x.length()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define uniq(x) x.resize(unique(all(x)) - x.begin());
#define blt(x) __builtin_popcount(x)
 
#define pb push_back
#define popf pop_front
#define popb pop_back
 
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
 
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(deque <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(unordered_map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
 
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define nl '\n'
 
// for grid problems
int dx[8] = {-1,0,1,0,1,-1,1,-1};
int dy[8] = {0,1,0,-1,1,1,-1,-1};
 
 
// lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6
void fastIO() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr); cout.tie(nullptr);
}
// file in/out
void setIO(string str = "") {
  fastIO();
 
  if (str != "") {
    freopen((str + ".in").c_str(), "r", stdin);
    freopen((str + ".out").c_str(), "w", stdout);
  }
}
// Indexed Set
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const long long mod = 998244353;
int n;
vector<string> vec[20];
 
long long add(long long a, long long b) {
  return (a + b) % mod;
}
 
long long mult(long long a, long long b) {
  return (a * b) % mod;
}
 
long long sub(long long a, long long b) {
  return (a - b + 2 * mod) % mod;
}
 
long long dp[64][64][64];
 
unordered_map<char, int> mp;
 
long long q[64][64];
int m = 61;
 
long long answ = 0;
 
void solve(int len) {
  memset(dp, 0, sizeof(dp));
  memset(q, 0, sizeof(q));
  
  for(auto i: vec[len]) {
    int first = mp[i[0]];
    int last = mp[i[len - 1]];
 
    q[first][last]++;
  }
 
  for(int start = 0; start <= m; start++) {
    for(int i = 0; i <= m; i++) {
      for(int j = 0; j <= m; j++) {
        for(int k = 0; k <= m; k++) {
          long long get = mult(q[start][i], mult(q[start][j], q[start][k]));
          dp[i][j][k] = add(dp[i][j][k], get);
        }
      }
    }
  }
 
  for(int i = 0; i <= m; i++) {
    for(int j = 0; j <= m; j++) {
      for(int k = 0; k <= m; k++) {
        if(!dp[i][j][k]) continue;
        
        for(int e = 0; e <= m; e++) {
          if(!dp[i][j][e]) continue;
          long long pt = mult(dp[i][j][e], dp[i][j][k]);
          pt = mult(pt, dp[j][e][k]);
          pt = mult(pt, dp[i][e][k]);
          answ = add(answ, pt);
        }
      }
    }
  }
}
 
void solve_() {
  cin >> n;
 
  for(int i = 1; i <= n; i++) {
    string s; cin >> s;
    vec[sz(s)].push_back(s);
    reverse(all(s));
    vec[sz(s)].push_back(s);
  }
 
 
  mp.reserve(1000);
 
  for(char i = 'a'; i <= 'z'; i++) {
    mp[i] = i - 'a';
  }
 
  for(char i = 'A'; i <= 'Z'; i++) {
    mp[i] = 26 + (i - 'A');
  }
 
  for(char i = '0'; i <= '9'; i++) {
    mp[i] = 52 + (i - '0');
  }
 
  for(int i = 3; i <= 10; i++) {
    sort(all(vec[i]));
    uniq(vec[i]);
    solve(i);
  }
 
  cout << answ << '\n';
}
 
int main() {
  setIO();
 
  auto solve = [&](int test_case)-> void {
    while(test_case--) {
      solve_();
    }
  };
 
  int test_cases = 1;
  // cin >> test_cases;
  solve(test_cases);
 
  return 0;
}

Compilation message

cubeword.cpp: In function 'void setIO(std::string)':
cubeword.cpp:66:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cubeword.cpp:67:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |     freopen((str + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 715 ms 9016 KB Output is correct
2 Correct 734 ms 9064 KB Output is correct
3 Correct 690 ms 8968 KB Output is correct
4 Correct 760 ms 9072 KB Output is correct
5 Correct 742 ms 9064 KB Output is correct
6 Correct 724 ms 9216 KB Output is correct
7 Correct 727 ms 9040 KB Output is correct
8 Correct 688 ms 8972 KB Output is correct
9 Correct 713 ms 9052 KB Output is correct
10 Correct 712 ms 9076 KB Output is correct
11 Correct 700 ms 9140 KB Output is correct
12 Correct 717 ms 9076 KB Output is correct
13 Correct 720 ms 9072 KB Output is correct
14 Correct 701 ms 8916 KB Output is correct
15 Correct 688 ms 8956 KB Output is correct
16 Correct 662 ms 8988 KB Output is correct
17 Correct 660 ms 9044 KB Output is correct
18 Correct 707 ms 8932 KB Output is correct
19 Correct 641 ms 9024 KB Output is correct
20 Correct 661 ms 9060 KB Output is correct
21 Correct 658 ms 9064 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 715 ms 9016 KB Output is correct
2 Correct 734 ms 9064 KB Output is correct
3 Correct 690 ms 8968 KB Output is correct
4 Correct 760 ms 9072 KB Output is correct
5 Correct 742 ms 9064 KB Output is correct
6 Correct 724 ms 9216 KB Output is correct
7 Correct 727 ms 9040 KB Output is correct
8 Correct 688 ms 8972 KB Output is correct
9 Correct 713 ms 9052 KB Output is correct
10 Correct 712 ms 9076 KB Output is correct
11 Correct 700 ms 9140 KB Output is correct
12 Correct 717 ms 9076 KB Output is correct
13 Correct 720 ms 9072 KB Output is correct
14 Correct 701 ms 8916 KB Output is correct
15 Correct 688 ms 8956 KB Output is correct
16 Correct 662 ms 8988 KB Output is correct
17 Correct 660 ms 9044 KB Output is correct
18 Correct 707 ms 8932 KB Output is correct
19 Correct 641 ms 9024 KB Output is correct
20 Correct 661 ms 9060 KB Output is correct
21 Correct 658 ms 9064 KB Output is correct
22 Correct 674 ms 8836 KB Output is correct
23 Correct 648 ms 8816 KB Output is correct
24 Correct 679 ms 8980 KB Output is correct
25 Correct 696 ms 8968 KB Output is correct
26 Correct 670 ms 8888 KB Output is correct
27 Correct 710 ms 9040 KB Output is correct
28 Correct 640 ms 8764 KB Output is correct
29 Correct 646 ms 8820 KB Output is correct
30 Correct 661 ms 8820 KB Output is correct
31 Correct 658 ms 8824 KB Output is correct
32 Correct 676 ms 8812 KB Output is correct
33 Correct 661 ms 8828 KB Output is correct
34 Correct 680 ms 8916 KB Output is correct
35 Correct 667 ms 8988 KB Output is correct
36 Correct 677 ms 8928 KB Output is correct
37 Correct 675 ms 8820 KB Output is correct
38 Correct 666 ms 8964 KB Output is correct
39 Correct 676 ms 8956 KB Output is correct
40 Correct 701 ms 8896 KB Output is correct
41 Correct 650 ms 8988 KB Output is correct
42 Correct 624 ms 8844 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 715 ms 9016 KB Output is correct
2 Correct 734 ms 9064 KB Output is correct
3 Correct 690 ms 8968 KB Output is correct
4 Correct 760 ms 9072 KB Output is correct
5 Correct 742 ms 9064 KB Output is correct
6 Correct 724 ms 9216 KB Output is correct
7 Correct 727 ms 9040 KB Output is correct
8 Correct 688 ms 8972 KB Output is correct
9 Correct 713 ms 9052 KB Output is correct
10 Correct 712 ms 9076 KB Output is correct
11 Correct 700 ms 9140 KB Output is correct
12 Correct 717 ms 9076 KB Output is correct
13 Correct 720 ms 9072 KB Output is correct
14 Correct 701 ms 8916 KB Output is correct
15 Correct 688 ms 8956 KB Output is correct
16 Correct 662 ms 8988 KB Output is correct
17 Correct 660 ms 9044 KB Output is correct
18 Correct 707 ms 8932 KB Output is correct
19 Correct 641 ms 9024 KB Output is correct
20 Correct 661 ms 9060 KB Output is correct
21 Correct 658 ms 9064 KB Output is correct
22 Correct 674 ms 8836 KB Output is correct
23 Correct 648 ms 8816 KB Output is correct
24 Correct 679 ms 8980 KB Output is correct
25 Correct 696 ms 8968 KB Output is correct
26 Correct 670 ms 8888 KB Output is correct
27 Correct 710 ms 9040 KB Output is correct
28 Correct 640 ms 8764 KB Output is correct
29 Correct 646 ms 8820 KB Output is correct
30 Correct 661 ms 8820 KB Output is correct
31 Correct 658 ms 8824 KB Output is correct
32 Correct 676 ms 8812 KB Output is correct
33 Correct 661 ms 8828 KB Output is correct
34 Correct 680 ms 8916 KB Output is correct
35 Correct 667 ms 8988 KB Output is correct
36 Correct 677 ms 8928 KB Output is correct
37 Correct 675 ms 8820 KB Output is correct
38 Correct 666 ms 8964 KB Output is correct
39 Correct 676 ms 8956 KB Output is correct
40 Correct 701 ms 8896 KB Output is correct
41 Correct 650 ms 8988 KB Output is correct
42 Correct 624 ms 8844 KB Output is correct
43 Correct 770 ms 8764 KB Output is correct
44 Correct 727 ms 8848 KB Output is correct
45 Correct 747 ms 8816 KB Output is correct
46 Correct 774 ms 8812 KB Output is correct
47 Correct 725 ms 8824 KB Output is correct
48 Correct 742 ms 9196 KB Output is correct
49 Correct 742 ms 9208 KB Output is correct
50 Correct 726 ms 9220 KB Output is correct
51 Correct 715 ms 9092 KB Output is correct
52 Correct 757 ms 8796 KB Output is correct
53 Correct 726 ms 8712 KB Output is correct
54 Correct 747 ms 9100 KB Output is correct
55 Correct 740 ms 9204 KB Output is correct
56 Correct 721 ms 8836 KB Output is correct
57 Correct 778 ms 9092 KB Output is correct
58 Correct 725 ms 9204 KB Output is correct
59 Correct 795 ms 9076 KB Output is correct
60 Correct 756 ms 9104 KB Output is correct
61 Correct 719 ms 8820 KB Output is correct
62 Correct 747 ms 9096 KB Output is correct
63 Correct 731 ms 9084 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 715 ms 9016 KB Output is correct
2 Correct 734 ms 9064 KB Output is correct
3 Correct 690 ms 8968 KB Output is correct
4 Correct 760 ms 9072 KB Output is correct
5 Correct 742 ms 9064 KB Output is correct
6 Correct 724 ms 9216 KB Output is correct
7 Correct 727 ms 9040 KB Output is correct
8 Correct 688 ms 8972 KB Output is correct
9 Correct 713 ms 9052 KB Output is correct
10 Correct 712 ms 9076 KB Output is correct
11 Correct 700 ms 9140 KB Output is correct
12 Correct 717 ms 9076 KB Output is correct
13 Correct 720 ms 9072 KB Output is correct
14 Correct 701 ms 8916 KB Output is correct
15 Correct 688 ms 8956 KB Output is correct
16 Correct 662 ms 8988 KB Output is correct
17 Correct 660 ms 9044 KB Output is correct
18 Correct 707 ms 8932 KB Output is correct
19 Correct 641 ms 9024 KB Output is correct
20 Correct 661 ms 9060 KB Output is correct
21 Correct 658 ms 9064 KB Output is correct
22 Correct 674 ms 8836 KB Output is correct
23 Correct 648 ms 8816 KB Output is correct
24 Correct 679 ms 8980 KB Output is correct
25 Correct 696 ms 8968 KB Output is correct
26 Correct 670 ms 8888 KB Output is correct
27 Correct 710 ms 9040 KB Output is correct
28 Correct 640 ms 8764 KB Output is correct
29 Correct 646 ms 8820 KB Output is correct
30 Correct 661 ms 8820 KB Output is correct
31 Correct 658 ms 8824 KB Output is correct
32 Correct 676 ms 8812 KB Output is correct
33 Correct 661 ms 8828 KB Output is correct
34 Correct 680 ms 8916 KB Output is correct
35 Correct 667 ms 8988 KB Output is correct
36 Correct 677 ms 8928 KB Output is correct
37 Correct 675 ms 8820 KB Output is correct
38 Correct 666 ms 8964 KB Output is correct
39 Correct 676 ms 8956 KB Output is correct
40 Correct 701 ms 8896 KB Output is correct
41 Correct 650 ms 8988 KB Output is correct
42 Correct 624 ms 8844 KB Output is correct
43 Correct 770 ms 8764 KB Output is correct
44 Correct 727 ms 8848 KB Output is correct
45 Correct 747 ms 8816 KB Output is correct
46 Correct 774 ms 8812 KB Output is correct
47 Correct 725 ms 8824 KB Output is correct
48 Correct 742 ms 9196 KB Output is correct
49 Correct 742 ms 9208 KB Output is correct
50 Correct 726 ms 9220 KB Output is correct
51 Correct 715 ms 9092 KB Output is correct
52 Correct 757 ms 8796 KB Output is correct
53 Correct 726 ms 8712 KB Output is correct
54 Correct 747 ms 9100 KB Output is correct
55 Correct 740 ms 9204 KB Output is correct
56 Correct 721 ms 8836 KB Output is correct
57 Correct 778 ms 9092 KB Output is correct
58 Correct 725 ms 9204 KB Output is correct
59 Correct 795 ms 9076 KB Output is correct
60 Correct 756 ms 9104 KB Output is correct
61 Correct 719 ms 8820 KB Output is correct
62 Correct 747 ms 9096 KB Output is correct
63 Correct 731 ms 9084 KB Output is correct
64 Execution timed out 1172 ms 9008 KB Time limit exceeded
65 Halted 0 ms 0 KB -