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답안 #333948

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
333948 2020-12-08T03:52:58 Z YJU Snake Escaping (JOI18_snake_escaping) C++14
12 / 100
 1348 ms 62604 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=2e6+5;
const ll K=350;
const ld pi=acos(-1);
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()

ll dp[N],l,po[N],q,k,ans[N];
string s,a;
vector<pll> que[(1<<12)];

ll get3(ll val,ll ip){
	return (val/po[ip])%3;
}

void cal(ll id){
	REP(i,po[k]){
		ll tx=0,ck=1;
		REP(j,k){
			if(get3(i,k-j-1)==2){
				dp[i]=dp[i-2*po[k-j-1]]+dp[i-po[k-j-1]];
				ck=0;
				break;
			}
			tx=tx*2+get3(i,k-j-1);
		}
		if(ck)dp[i]=s[(id<<k)+tx]-'0';
	}
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>l>>q;
	cin>>s;
	k=min(l,10LL);
	po[0]=1;
	REP1(i,k)po[i]=po[i-1]*3;
	REP(T,q){
		cin>>a;
		ll tx=0;
		for(int i=l-k;i<l;i++)tx=tx*3+(a[i]=='?'?2:a[i]-'0');
		REP(i,(1<<(l-k))){
			bool ck=1;
			REP(j,l-k){
				if(a[j]=='?')continue;
				if((a[j]-'0')!=(1&(i>>(l-k-i-1)))){ck=0;break;}
			}
			if(ck){
				que[i].pb(mp(tx,T));
			}
		}
	}
	REP(i,(1<<(l-k))){
		cal(i);
		for(auto j:que[i]){
			ans[j.Y]+=dp[j.X];
		}
	}
	REP(i,q)cout<<ans[i]<<"\n";
	return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1004 KB Output is correct
2 Correct 2 ms 1004 KB Output is correct
3 Correct 2 ms 1004 KB Output is correct
4 Correct 2 ms 1004 KB Output is correct
5 Correct 2 ms 1004 KB Output is correct
6 Correct 2 ms 1004 KB Output is correct
7 Correct 3 ms 1004 KB Output is correct
8 Correct 3 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1004 KB Output is correct
2 Correct 2 ms 1004 KB Output is correct
3 Correct 2 ms 1004 KB Output is correct
4 Correct 2 ms 1004 KB Output is correct
5 Correct 2 ms 1004 KB Output is correct
6 Correct 2 ms 1004 KB Output is correct
7 Correct 3 ms 1004 KB Output is correct
8 Correct 3 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 247 ms 28656 KB Output is correct
12 Correct 263 ms 28336 KB Output is correct
13 Correct 240 ms 27448 KB Output is correct
14 Correct 252 ms 27576 KB Output is correct
15 Correct 246 ms 28728 KB Output is correct
16 Correct 268 ms 27704 KB Output is correct
17 Correct 252 ms 27856 KB Output is correct
18 Correct 215 ms 29624 KB Output is correct
19 Correct 211 ms 26552 KB Output is correct
20 Correct 271 ms 28572 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1004 KB Output is correct
2 Correct 2 ms 1004 KB Output is correct
3 Correct 2 ms 1004 KB Output is correct
4 Correct 2 ms 1004 KB Output is correct
5 Correct 2 ms 1004 KB Output is correct
6 Correct 2 ms 1004 KB Output is correct
7 Correct 3 ms 1004 KB Output is correct
8 Correct 3 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 247 ms 28656 KB Output is correct
12 Correct 263 ms 28336 KB Output is correct
13 Correct 240 ms 27448 KB Output is correct
14 Correct 252 ms 27576 KB Output is correct
15 Correct 246 ms 28728 KB Output is correct
16 Correct 268 ms 27704 KB Output is correct
17 Correct 252 ms 27856 KB Output is correct
18 Correct 215 ms 29624 KB Output is correct
19 Correct 211 ms 26552 KB Output is correct
20 Correct 271 ms 28572 KB Output is correct
21 Incorrect 299 ms 26492 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1004 KB Output is correct
2 Correct 2 ms 1004 KB Output is correct
3 Correct 2 ms 1004 KB Output is correct
4 Correct 2 ms 1004 KB Output is correct
5 Correct 2 ms 1004 KB Output is correct
6 Correct 2 ms 1004 KB Output is correct
7 Correct 3 ms 1004 KB Output is correct
8 Correct 3 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Incorrect 1348 ms 62604 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1004 KB Output is correct
2 Correct 2 ms 1004 KB Output is correct
3 Correct 2 ms 1004 KB Output is correct
4 Correct 2 ms 1004 KB Output is correct
5 Correct 2 ms 1004 KB Output is correct
6 Correct 2 ms 1004 KB Output is correct
7 Correct 3 ms 1004 KB Output is correct
8 Correct 3 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 247 ms 28656 KB Output is correct
12 Correct 263 ms 28336 KB Output is correct
13 Correct 240 ms 27448 KB Output is correct
14 Correct 252 ms 27576 KB Output is correct
15 Correct 246 ms 28728 KB Output is correct
16 Correct 268 ms 27704 KB Output is correct
17 Correct 252 ms 27856 KB Output is correct
18 Correct 215 ms 29624 KB Output is correct
19 Correct 211 ms 26552 KB Output is correct
20 Correct 271 ms 28572 KB Output is correct
21 Incorrect 299 ms 26492 KB Output isn't correct
22 Halted 0 ms 0 KB -