Submission #2329315

Source Code Expand

#include <iostream>
#include <vector>
using namespace std;
const int mod = 1000000007;
typedef long long ll;

int main() {
  int N, K, L;
  cin >> N >> K >> L;
  K--;
  vector<vector<ll> > dp(N+1, vector<ll>(1<<(3*K), 0));
  dp[0][0] = 1;

  for (int i=0; i<N; i++) {
    for (int j=0; j<(1<<(3*K)); j++) {
      for (int k=0; k<(1<<3); k++) {
        if (k == 0) continue;
        bool ok = true;
        for (int x=0; x<3; x++) {
          if (!(k & (1<<x))) continue;
          int total = 0;
          for (int y=x; y<3*K; y+=3)
            if (j & (1<<y)) total++;
          if (total >= L) ok = false;
        }
        if (ok) {
          dp[i+1][((j<<3)+k)%(1<<3*K)] += dp[i][j];
          dp[i+1][((j<<3)+k)%(1<<3*K)] %= mod;
        }
      }
    }
  }

  ll total = 0;
  for (int i=0; i<(1<<(K*3)); i++) {
    total += dp[N][i];
    total %= mod;
  }
  cout << total << endl;
}

Submission Info

Submission Time
Task F - 献立表制作
User suminos
Language C++14 (GCC 5.4.1)
Score 100
Code Size 929 Byte
Status AC
Exec Time 142 ms
Memory 12416 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 4
AC × 29
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt, s4.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, s1.txt, s2.txt, s3.txt, s4.txt
Case Name Status Exec Time Memory
01.txt AC 1 ms 256 KiB
02.txt AC 2 ms 256 KiB
03.txt AC 1 ms 256 KiB
04.txt AC 6 ms 640 KiB
05.txt AC 2 ms 256 KiB
06.txt AC 4 ms 512 KiB
07.txt AC 1 ms 256 KiB
08.txt AC 1 ms 256 KiB
09.txt AC 1 ms 256 KiB
10.txt AC 2 ms 256 KiB
11.txt AC 2 ms 384 KiB
12.txt AC 11 ms 1152 KiB
13.txt AC 85 ms 6784 KiB
14.txt AC 1 ms 256 KiB
15.txt AC 11 ms 1024 KiB
16.txt AC 1 ms 256 KiB
17.txt AC 3 ms 384 KiB
18.txt AC 1 ms 256 KiB
19.txt AC 111 ms 10496 KiB
20.txt AC 1 ms 256 KiB
21.txt AC 137 ms 12416 KiB
22.txt AC 113 ms 11392 KiB
23.txt AC 122 ms 10368 KiB
24.txt AC 121 ms 10240 KiB
25.txt AC 141 ms 11008 KiB
s1.txt AC 1 ms 256 KiB
s2.txt AC 1 ms 256 KiB
s3.txt AC 142 ms 12032 KiB
s4.txt AC 3 ms 512 KiB