Submission #853365

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
853365	2023-09-24 08:44:56	anhduc2701	Snake Escaping (JOI18_snake_escaping)	C++17	100 / 100	674 ms	34256 KiB

snake_escaping

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#include<bits/stdc++.h>
#define pb push_back
#define fi first
#define se second 
#define BIT(x,i) (((x)>>(i))&1)
using namespace std;
typedef long long ll;
int dp[1<<20];
int dp1[1<<20];
int l,q;
int sum=0;
string a;
signed main(){
  // freopen("input.inp","r",stdin);
  // freopen("output.out","w",stdout);
  cin.tie(0),cout.tie(0)->sync_with_stdio(0);
  cin >> l >> q;
  cin >> a;
  for(int i=0;i<(1<<l);i++){
    int num=a[i]-'0';
    dp[i]=num;
    dp1[i]=num;
  }
  for(int i=0;i<l;i++){
    for(int j=0;j<(1<<l);j++){
      if((1<<i)&j)dp[j]+=dp[j^(1<<i)];
      else dp1[j]+=dp1[j^(1<<i)];
    }
  }
  for(int i=1;i<=q;i++){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 53 / 53
• Subtask 5: 25 / 25