oj.uz

답안 #993464

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
993464 2024-06-05T17:26:13 Z vyshniak_n Cards (LMIO19_korteles) C++17
100 / 100
 237 ms 60344 KB 
//#pragma optimize("Ofast")
//#pragma optimize("unroll-loops")
//#pragma traget("avx,avx2")

#include <iostream>
#include <cmath>
#include <algorithm>
#include <stdio.h>
#include <cstdint>
#include <cstring>
#include <string>
#include <cstdlib>
#include <vector>
#include <bitset>
#include <map>
#include <queue>
#include <ctime>
#include <stack>
#include <set>
#include <list>
#include <random>
#include <deque>
#include <functional>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <complex>
#include <numeric>
#include <cassert>
#include <array>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <thread>

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

#define el '\n'
#define ff first
#define ss second
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define point pair <ll, ll>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

using namespace std;

#include <random>
mt19937 rnd(time(0));

const ll INF = 1e18 + 10;
const ll inf = 1e9 + 10;
const ll maxn = 5e5 + 10;
const ll mod = 1e9 + 7;
const ll K = 2e4 + 10;
const ll LOG = 20;

ll cnt[26][26][26][26][16];

void solve() {
    ll n;
    cin >> n;

    vector <ll> count_bits(16);
    for (ll i = 0; i < 16; i++)
        for (ll j = 0; j < 4; j++)
            count_bits[i] += (i >> j & 1);

    ll ans = 0;
    for (ll i = 0; i < n; i++) {
        ll val[4];

        char x;
        cin >> x; val[0] = x - 'A';
        cin >> x; val[1] = x - 'A';
        cin >> x; val[2] = x - 'A';
        cin >> x; val[3] = x - 'A';

        ll cur = 0;
        for (ll mask = 1; mask < (1 << 4); mask++) {
            ll take[4] = {0, 0, 0, 0}, use[4] = {0, 0, 0, 0};
            if (mask & (1 << 0)) {
                take[0] = val[2];
                take[1] = val[3];
                use[0] |= 1 << val[2];
                use[1] |= 1 << val[3];
            }
            if (mask & (1 << 1)) {
                take[1] = val[0];
                take[3] = val[2];
                use[1] |= 1 << val[0];
                use[3] |= 1 << val[2];
            }
            if (mask & (1 << 2)) {
                take[2] = val[0];
                take[3] = val[1];
                use[2] |= 1 << val[0];
                use[3] |= 1 << val[1];
            }
            if (mask & (1 << 3)) {
                take[0] = val[1];
                take[2] = val[3];
                use[0] |= 1 << val[1];
                use[2] |= 1 << val[3];
            }

            bool ok = 1;
            for (ll j = 0; j < 4; j++)
                if ((use[j] & (use[j] - 1)))
                    ok = 0;

            if (!ok) continue;

            if (count_bits[mask] % 2) cur += cnt[take[0]][take[1]][take[2]][take[3]][mask];
            else cur -= cnt[take[0]][take[1]][take[2]][take[3]][mask];
        }

        ans += cur;

        for (ll mask = 0; mask < (1 << 4); mask++) {
            ll take[4] = {0, 0, 0, 0};
            if (mask & (1 << 0)) {
                take[0] = val[0];
                take[1] = val[1];
            }
            if (mask & (1 << 1)) {
                take[1] = val[1];
                take[3] = val[3];
            }
            if (mask & (1 << 2)) {
                take[2] = val[2];
                take[3] = val[3];
            }
            if (mask & (1 << 3)) {
                take[0] = val[0];
                take[2] = val[2];
            }

            cnt[take[0]][take[1]][take[2]][take[3]][mask]++;
        }
    }

    cout << ans << el;
    return;
}
signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    int tests = 1;
    //cin >> tests;

    while (tests--) 
        solve();
    return 0;
}
/*
*/

Subtask #1
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2512 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 3 ms 25176 KB Output is correct
4 Correct 2 ms 14936 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2512 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 3 ms 25176 KB Output is correct
4 Correct 2 ms 14936 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 5 ms 26716 KB Output is correct
7 Correct 3 ms 12636 KB Output is correct
8 Correct 7 ms 33372 KB Output is correct
9 Correct 7 ms 23132 KB Output is correct
10 Correct 6 ms 24408 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 237 ms 60224 KB Output is correct
2 Correct 226 ms 60240 KB Output is correct
3 Correct 221 ms 60240 KB Output is correct
4 Correct 231 ms 60308 KB Output is correct
5 Correct 225 ms 60344 KB Output is correct

Subtask #4
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 50 ms 55824 KB Output is correct
3 Correct 157 ms 57684 KB Output is correct
4 Correct 90 ms 57424 KB Output is correct
5 Correct 90 ms 56964 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 5 ms 26716 KB Output is correct
3 Correct 3 ms 12636 KB Output is correct
4 Correct 7 ms 33372 KB Output is correct
5 Correct 7 ms 23132 KB Output is correct
6 Correct 6 ms 24408 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 2512 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3 ms 25176 KB Output is correct
11 Correct 2 ms 14936 KB Output is correct
12 Correct 237 ms 60224 KB Output is correct
13 Correct 226 ms 60240 KB Output is correct
14 Correct 221 ms 60240 KB Output is correct
15 Correct 231 ms 60308 KB Output is correct
16 Correct 225 ms 60344 KB Output is correct
17 Correct 50 ms 55824 KB Output is correct
18 Correct 157 ms 57684 KB Output is correct
19 Correct 90 ms 57424 KB Output is correct
20 Correct 90 ms 56964 KB Output is correct
21 Correct 67 ms 58032 KB Output is correct
22 Correct 177 ms 59604 KB Output is correct
23 Correct 110 ms 58960 KB Output is correct
24 Correct 133 ms 58960 KB Output is correct