제출 #386144

#제출 시각아이디문제언어결과실행 시간메모리
386144CSQ31Snake Escaping (JOI18_snake_escaping)C++14
75 / 100
2031 ms23412 KiB
#pragma GCC optimize("Ofast") 
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(1e9+7)
#define INF (ll)(1e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
typedef pair<int,pii> P;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
int main()
{
	//O(l * 2^l + q)
	owo
	int l,q;
	cin>>l>>q;
	vector<int>sub(1<<(l+1)),sup(1<<(l+1));
	string snek;
	for(int i=0;i<(1<<l);i++){
		char c;cin>>c;
		sub[i]+=c-'0';
		sup[i]+=c-'0';
		snek+=c;
	}
	for(int i=0;i<l;i++){
		for(int j=0;j<(1<<l);j++){
			if(j&(1<<i))sub[j]+=sub[j^(1<<i)];
			else sup[j]+=sup[j^(1<<i)];
		}
	}
	while(q--){
		vector<int>a,b,c;
		string s;cin>>s;
		ll ans = 0;
		for(int i=0;i<l;i++){
			if(s[i] == '?')c.pb(l-i-1);
			if(s[i] == '0')a.pb(l-i-1);
			if(s[i] == '1')b.pb(l-i-1);
		}
		int mn = min({sz(a),sz(b),sz(c)});
		if(sz(c) == mn){
			ll cur = 0;
			for(int i=0;i<l;i++)if(s[i]=='1')cur+=(1<<(l-i-1));
			for(int i=0;i<(1<<sz(c));i++){
				ll ncur = cur;
				for(int j=0;j<sz(c);j++){
					if(i&(1<<j))ncur+=(1<<c[j]);
				}
				ans+=snek[ncur]-'0';
			}
		}
		else if(sz(a) == mn){
			ll cur = 0;
			for(int i=0;i<l;i++)if(s[i] == '1')cur+=(1<<(l-i-1));
			for(int i=0;i<(1<<sz(a));i++){
				ll ncur = cur;
				int cnt = 0;
				for(int j=0;j<sz(a);j++){
					if(i&(1<<j)){ncur+=(1<<a[j]);cnt++;}
				}
				if(cnt&1)ans-=sup[ncur];
				else ans+=sup[ncur];
			}
		}else{
			ll cur = 0;
			for(int i=0;i<l;i++)if(s[i] == '?')cur+=(1<<(l-i-1));
			for(int mask=0;mask<(1<<sz(b));mask++){
				ll ncur = cur;
				int cnt = 0;
				for(int j=0;j<sz(b);j++){
					if(mask&(1<<j)){ncur+=(1<<b[j]);}
					else cnt++;
				}
				if(cnt&1)ans-=sub[ncur];
				else ans+=sub[ncur];
			}
		}
		cout<<ans<<'\n';
	}
}
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