Submission #539323

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
539323	2022-03-18 17:33:10	pnm1384	Snake Escaping (JOI18_snake_escaping)	C++14	22 / 100	1002 ms	20208 KiB

snake_escaping

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 21;
int dp[1 << N], dp2[1 << N], cnt[3], bads[N];
string ss;
int main()
{
  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  int len, q;
  cin >> len >> q >> ss;
  for (int i = 0; i < (1 << len); i++)
  {
    dp[i] = ss[i] - '0';
    dp2[i] = ss[i] - '0';
  }
  for (int i = 0; i < len; i++)
  {
    for (int mask = 0; mask < (1 << len); mask++)
    {
      if (!((mask >> i) & 1)) dp[mask] += dp[mask ^ (1 << i)];
      else dp2[mask] += dp2[mask ^ (1 << i)];
    }
  }
  for (int jj = 0; jj < q; jj++)
  {
    string s2;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25