oj.uz

Submission #807178

# Submission time Handle Problem Language Result Execution time Memory
807178 2023-08-04T14:30:26 Z hariaakas646 Beautiful row (IZhO12_beauty) C++17
100 / 100
 444 ms 205480 KB 
#include <bits/stdc++.h>

using namespace std;

#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;

int main()
{
    int n;
    scd(n);
    vi vec(n);
    vi cnt2(n), cnt3(n);

    frange(i, n)
    {
        int a;
        scd(a);
        vec[i] = a;
        int v1 = a;
        int v2 = a;
        while (v1 > 0)
        {
            if (v1 % 2 == 1)
                cnt2[i]++;
            v1 /= 2;
        }
        while (v2 > 0)
        {
            if (v2 % 3 == 1)
                cnt3[i]++;
            v2 /= 3;
        }
    }

    vector<vll> dp(1 << n, vll(n));

    frange(i, n)
    {
        dp[1 << i][i] = 1;
    }

    frange(i, 1 << n)
    {
        frange(j, n)
        {
            if (i & (1 << j))
            {
                frange(k, n)
                {
                    if (cnt2[j] == cnt2[k] || cnt3[k] == cnt3[j])
                    {
                        dp[i][j] += dp[i ^ (1 << j)][k];
                        // printf("%d %d %lld\n", k, j, dp[i][j]);
                    }
                }
            }
        }
    }
    lli tot = 0;
    frange(i, n)
    {
        tot += dp[(1 << n) - 1][i];
    }
    // lli fac = 1;
    // forr(i, 1, n + 1) fac *= i;
    printf("%lld", tot);
}

Compilation message

beauty.cpp: In function 'int main()':
beauty.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
beauty.cpp:30:5: note: in expansion of macro 'scd'
   30 |     scd(n);
      |     ^~~
beauty.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
beauty.cpp:37:9: note: in expansion of macro 'scd'
   37 |         scd(a);
      |         ^~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 4 ms 2720 KB Output is correct
12 Correct 4 ms 2644 KB Output is correct
13 Correct 20 ms 11088 KB Output is correct
14 Correct 90 ms 47380 KB Output is correct
15 Correct 100 ms 47492 KB Output is correct
16 Correct 93 ms 47472 KB Output is correct
17 Correct 102 ms 47488 KB Output is correct
18 Correct 95 ms 47492 KB Output is correct
19 Correct 441 ms 205480 KB Output is correct
20 Correct 444 ms 205384 KB Output is correct