oj.uz

Submission #373213

# Submission time Handle Problem Language Result Execution time Memory
373213 2021-03-03T18:36:00 Z ACmachine Cubeword (CEOI19_cubeword) C++17
84 / 100
 948 ms 19124 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using ordered_map = tree<T, U, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

typedef long long ll;
typedef long double ld;

typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

typedef vector<int> vi;
typedef vector<ll> vll;

#define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
#define FORD(i,j,k,in) for(int i=(j); i >=(k);i-=in)
#define REP(i,b) FOR(i,0,b,1)
#define REPD(i,b) FORD(i,b,0,1)
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define all(x) begin(x), end(x)
#define MANY_TESTS int tcase; cin >> tcase; while(tcase--)

const double EPS = 1e-9;
const int MOD = 1e9+7;
const ll INFF = 1e18;
const int INF = 1e9;
const ld PI = acos((ld)-1);
const vi dy = {1, 0, -1, 0, -1, 1, 1, -1};
const vi dx = {0, 1, 0, -1, -1, 1, -1, 1};

void DBG(){cout << "]" << endl;}
template<typename T, typename ...U> void DBG(const T& head, const U... args){ cout << head << "; "; DBG(args...); }
#define dbg(...) cout << "Line(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__);
#define chk() cout << "Check at line(" << __LINE__ << ") hit." << endl;

template<class T, unsigned int U>
ostream& operator<<(ostream& out, const array<T, U> &v){out << "[";  REP(i, U) out << v[i] << ", ";  out << "]"; return out;}
template <class T, class U>
ostream& operator<<(ostream& out, const pair<T, U> &par) {out << "[" << par.first << ";" << par.second << "]"; return out;}
template <class T>
ostream& operator<<(ostream& out, const set<T> &cont) { out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template <class T, class U>
ostream& operator<<(ostream& out, const map<T, U> &cont) {out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template<class T>
ostream& operator<<(ostream& out, const vector<T> &v){ out << "[";  REP(i, v.size()) out << v[i] << ", ";  out << "]"; return out;}

template<class T>
istream& operator>>(istream& in, vector<T> &v){ for(auto &x : v) in >> x; return in; }

const int mod = 998244353;
int main(){
 	ios_base::sync_with_stdio(false);
 	cin.tie(NULL); cout.tie(NULL);
 	const int alpha = 52;
    vector<int> cnv(150);
    REP(i, 26) cnv['a' + i] = i;
    REP(i, 26) {
        cnv['A' + i] = 26 + i;
    }
    REP(i, 10){
        cnv['0' + i] = 52 + i;
    }
    int n; cin >> n;
    vector<string> strings(n);
    cin >> strings;
    REP(i, n){
        string ns = strings[i];
        reverse(all(ns));
        strings.pb(ns);
    }
    sort(all(strings));
    ll D[alpha][alpha][alpha];
    ll cn[alpha][alpha];
    auto solve = [&](vector<string> &a){
        int nn = a.size();
        memset(D, 0, sizeof(D));
        memset(cn, 0, sizeof(cn));
        string xprev = "";
        for(string x : a){
            if(x == xprev) continue;
            int f = cnv[x[0]]; int s = cnv[x.back()];
            cn[f][s]++;
            xprev = x;
        }
        REP(i, alpha){
            REP(j, alpha){
                REP(k, alpha){
                    REP(g, alpha){
                        D[j][k][g] += (cn[i][j] * cn[i][k] * cn[i][g]) % mod;
                        D[j][k][g] %= mod;
                    }
                }
            }
        }
        ll res = 0;
        REP(a, alpha){
            REP(b, alpha){
                REP(c, alpha){
                    REP(d, alpha){
                        res += (((((D[a][d][c] * D[a][d][b]) % mod) * D[a][c][b]) % mod) * D[d][c][b]) % mod;
                        res %= mod;
                    }
                }
            }
        }
        return res;
    };
    vector<vector<string>> todo(11);
    REP(i, strings.size()) todo[strings[i].length()].pb(strings[i]);
    ll ans = 0;
    FOR(i, 3, 11, 1){
        if(todo[i].size() > 0)
            ans += solve(todo[i]);
        ans %= mod;
    }
    cout << ans << "\n";
    return 0;
}

Compilation message

cubeword.cpp: In lambda function:
cubeword.cpp:83:13: warning: unused variable 'nn' [-Wunused-variable]
   83 |         int nn = a.size();
      |             ^~
cubeword.cpp: In function 'int main()':
cubeword.cpp:20:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
cubeword.cpp:22:18: note: in expansion of macro 'FOR'
   22 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
cubeword.cpp:117:5: note: in expansion of macro 'REP'
  117 |     REP(i, strings.size()) todo[strings[i].length()].pb(strings[i]);
      |     ^~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 892 ms 17844 KB Output is correct
2 Correct 900 ms 18192 KB Output is correct
3 Correct 946 ms 18868 KB Output is correct
4 Correct 890 ms 18228 KB Output is correct
5 Correct 891 ms 17716 KB Output is correct
6 Correct 900 ms 17972 KB Output is correct
7 Correct 900 ms 17588 KB Output is correct
8 Correct 896 ms 18248 KB Output is correct
9 Correct 908 ms 17932 KB Output is correct
10 Correct 899 ms 18192 KB Output is correct
11 Correct 917 ms 17644 KB Output is correct
12 Correct 892 ms 18868 KB Output is correct
13 Correct 906 ms 17972 KB Output is correct
14 Correct 892 ms 17972 KB Output is correct
15 Correct 894 ms 17844 KB Output is correct
16 Correct 910 ms 17632 KB Output is correct
17 Correct 948 ms 18100 KB Output is correct
18 Correct 905 ms 18108 KB Output is correct
19 Correct 901 ms 19124 KB Output is correct
20 Correct 945 ms 18228 KB Output is correct
21 Correct 911 ms 17972 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 892 ms 17844 KB Output is correct
2 Correct 900 ms 18192 KB Output is correct
3 Correct 946 ms 18868 KB Output is correct
4 Correct 890 ms 18228 KB Output is correct
5 Correct 891 ms 17716 KB Output is correct
6 Correct 900 ms 17972 KB Output is correct
7 Correct 900 ms 17588 KB Output is correct
8 Correct 896 ms 18248 KB Output is correct
9 Correct 908 ms 17932 KB Output is correct
10 Correct 899 ms 18192 KB Output is correct
11 Correct 917 ms 17644 KB Output is correct
12 Correct 892 ms 18868 KB Output is correct
13 Correct 906 ms 17972 KB Output is correct
14 Correct 892 ms 17972 KB Output is correct
15 Correct 894 ms 17844 KB Output is correct
16 Correct 910 ms 17632 KB Output is correct
17 Correct 948 ms 18100 KB Output is correct
18 Correct 905 ms 18108 KB Output is correct
19 Correct 901 ms 19124 KB Output is correct
20 Correct 945 ms 18228 KB Output is correct
21 Correct 911 ms 17972 KB Output is correct
22 Correct 892 ms 15540 KB Output is correct
23 Correct 903 ms 15540 KB Output is correct
24 Correct 907 ms 15540 KB Output is correct
25 Correct 901 ms 16204 KB Output is correct
26 Correct 895 ms 15668 KB Output is correct
27 Correct 930 ms 16436 KB Output is correct
28 Correct 912 ms 16180 KB Output is correct
29 Correct 918 ms 16436 KB Output is correct
30 Correct 885 ms 15788 KB Output is correct
31 Correct 886 ms 16436 KB Output is correct
32 Correct 910 ms 15376 KB Output is correct
33 Correct 920 ms 16564 KB Output is correct
34 Correct 913 ms 16436 KB Output is correct
35 Correct 893 ms 16180 KB Output is correct
36 Correct 898 ms 16180 KB Output is correct
37 Correct 886 ms 16436 KB Output is correct
38 Correct 891 ms 15924 KB Output is correct
39 Correct 885 ms 16564 KB Output is correct
40 Correct 896 ms 16436 KB Output is correct
41 Correct 896 ms 15668 KB Output is correct
42 Correct 901 ms 15412 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 892 ms 17844 KB Output is correct
2 Correct 900 ms 18192 KB Output is correct
3 Correct 946 ms 18868 KB Output is correct
4 Correct 890 ms 18228 KB Output is correct
5 Correct 891 ms 17716 KB Output is correct
6 Correct 900 ms 17972 KB Output is correct
7 Correct 900 ms 17588 KB Output is correct
8 Correct 896 ms 18248 KB Output is correct
9 Correct 908 ms 17932 KB Output is correct
10 Correct 899 ms 18192 KB Output is correct
11 Correct 917 ms 17644 KB Output is correct
12 Correct 892 ms 18868 KB Output is correct
13 Correct 906 ms 17972 KB Output is correct
14 Correct 892 ms 17972 KB Output is correct
15 Correct 894 ms 17844 KB Output is correct
16 Correct 910 ms 17632 KB Output is correct
17 Correct 948 ms 18100 KB Output is correct
18 Correct 905 ms 18108 KB Output is correct
19 Correct 901 ms 19124 KB Output is correct
20 Correct 945 ms 18228 KB Output is correct
21 Correct 911 ms 17972 KB Output is correct
22 Correct 892 ms 15540 KB Output is correct
23 Correct 903 ms 15540 KB Output is correct
24 Correct 907 ms 15540 KB Output is correct
25 Correct 901 ms 16204 KB Output is correct
26 Correct 895 ms 15668 KB Output is correct
27 Correct 930 ms 16436 KB Output is correct
28 Correct 912 ms 16180 KB Output is correct
29 Correct 918 ms 16436 KB Output is correct
30 Correct 885 ms 15788 KB Output is correct
31 Correct 886 ms 16436 KB Output is correct
32 Correct 910 ms 15376 KB Output is correct
33 Correct 920 ms 16564 KB Output is correct
34 Correct 913 ms 16436 KB Output is correct
35 Correct 893 ms 16180 KB Output is correct
36 Correct 898 ms 16180 KB Output is correct
37 Correct 886 ms 16436 KB Output is correct
38 Correct 891 ms 15924 KB Output is correct
39 Correct 885 ms 16564 KB Output is correct
40 Correct 896 ms 16436 KB Output is correct
41 Correct 896 ms 15668 KB Output is correct
42 Correct 901 ms 15412 KB Output is correct
43 Correct 905 ms 16436 KB Output is correct
44 Correct 881 ms 16436 KB Output is correct
45 Correct 906 ms 16400 KB Output is correct
46 Correct 879 ms 16692 KB Output is correct
47 Correct 888 ms 16564 KB Output is correct
48 Correct 915 ms 16784 KB Output is correct
49 Correct 879 ms 16564 KB Output is correct
50 Correct 898 ms 17004 KB Output is correct
51 Correct 909 ms 16804 KB Output is correct
52 Correct 899 ms 16948 KB Output is correct
53 Correct 898 ms 16820 KB Output is correct
54 Correct 917 ms 17168 KB Output is correct
55 Correct 891 ms 16784 KB Output is correct
56 Correct 878 ms 16180 KB Output is correct
57 Correct 906 ms 17168 KB Output is correct
58 Correct 891 ms 16436 KB Output is correct
59 Correct 905 ms 16892 KB Output is correct
60 Correct 888 ms 16184 KB Output is correct
61 Correct 906 ms 16712 KB Output is correct
62 Correct 885 ms 15848 KB Output is correct
63 Correct 887 ms 16144 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 892 ms 17844 KB Output is correct
2 Correct 900 ms 18192 KB Output is correct
3 Correct 946 ms 18868 KB Output is correct
4 Correct 890 ms 18228 KB Output is correct
5 Correct 891 ms 17716 KB Output is correct
6 Correct 900 ms 17972 KB Output is correct
7 Correct 900 ms 17588 KB Output is correct
8 Correct 896 ms 18248 KB Output is correct
9 Correct 908 ms 17932 KB Output is correct
10 Correct 899 ms 18192 KB Output is correct
11 Correct 917 ms 17644 KB Output is correct
12 Correct 892 ms 18868 KB Output is correct
13 Correct 906 ms 17972 KB Output is correct
14 Correct 892 ms 17972 KB Output is correct
15 Correct 894 ms 17844 KB Output is correct
16 Correct 910 ms 17632 KB Output is correct
17 Correct 948 ms 18100 KB Output is correct
18 Correct 905 ms 18108 KB Output is correct
19 Correct 901 ms 19124 KB Output is correct
20 Correct 945 ms 18228 KB Output is correct
21 Correct 911 ms 17972 KB Output is correct
22 Correct 892 ms 15540 KB Output is correct
23 Correct 903 ms 15540 KB Output is correct
24 Correct 907 ms 15540 KB Output is correct
25 Correct 901 ms 16204 KB Output is correct
26 Correct 895 ms 15668 KB Output is correct
27 Correct 930 ms 16436 KB Output is correct
28 Correct 912 ms 16180 KB Output is correct
29 Correct 918 ms 16436 KB Output is correct
30 Correct 885 ms 15788 KB Output is correct
31 Correct 886 ms 16436 KB Output is correct
32 Correct 910 ms 15376 KB Output is correct
33 Correct 920 ms 16564 KB Output is correct
34 Correct 913 ms 16436 KB Output is correct
35 Correct 893 ms 16180 KB Output is correct
36 Correct 898 ms 16180 KB Output is correct
37 Correct 886 ms 16436 KB Output is correct
38 Correct 891 ms 15924 KB Output is correct
39 Correct 885 ms 16564 KB Output is correct
40 Correct 896 ms 16436 KB Output is correct
41 Correct 896 ms 15668 KB Output is correct
42 Correct 901 ms 15412 KB Output is correct
43 Correct 905 ms 16436 KB Output is correct
44 Correct 881 ms 16436 KB Output is correct
45 Correct 906 ms 16400 KB Output is correct
46 Correct 879 ms 16692 KB Output is correct
47 Correct 888 ms 16564 KB Output is correct
48 Correct 915 ms 16784 KB Output is correct
49 Correct 879 ms 16564 KB Output is correct
50 Correct 898 ms 17004 KB Output is correct
51 Correct 909 ms 16804 KB Output is correct
52 Correct 899 ms 16948 KB Output is correct
53 Correct 898 ms 16820 KB Output is correct
54 Correct 917 ms 17168 KB Output is correct
55 Correct 891 ms 16784 KB Output is correct
56 Correct 878 ms 16180 KB Output is correct
57 Correct 906 ms 17168 KB Output is correct
58 Correct 891 ms 16436 KB Output is correct
59 Correct 905 ms 16892 KB Output is correct
60 Correct 888 ms 16184 KB Output is correct
61 Correct 906 ms 16712 KB Output is correct
62 Correct 885 ms 15848 KB Output is correct
63 Correct 887 ms 16144 KB Output is correct
64 Incorrect 932 ms 16436 KB Output isn't correct
65 Halted 0 ms 0 KB -