답안 #333913

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
333913	2020-12-08T03:11:01 Z	YJU	Snake Escaping (JOI18_snake_escaping)	C++14	22 / 100	2000 ms	49924 KB

snake_escaping

#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[1000];

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

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

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>l>>q>>s;
	k=min(l,12LL);
	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')!=(i>>(l-k-j-1))){ck=0;break;}
			}
			if(ck){
				que[i].pb(mp(tx,T));
			}
		}
	}
	REP(i,(1<<(l-k))){
		if(SZ(que[i]))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	876 KB	Output is correct
2	Correct	2 ms	924 KB	Output is correct
3	Correct	2 ms	876 KB	Output is correct
4	Correct	2 ms	876 KB	Output is correct
5	Correct	2 ms	876 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	876 KB	Output is correct
9	Correct	2 ms	876 KB	Output is correct
10	Correct	2 ms	876 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	876 KB	Output is correct
2	Correct	2 ms	924 KB	Output is correct
3	Correct	2 ms	876 KB	Output is correct
4	Correct	2 ms	876 KB	Output is correct
5	Correct	2 ms	876 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	876 KB	Output is correct
9	Correct	2 ms	876 KB	Output is correct
10	Correct	2 ms	876 KB	Output is correct
11	Correct	250 ms	28472 KB	Output is correct
12	Correct	266 ms	28088 KB	Output is correct
13	Correct	271 ms	27448 KB	Output is correct
14	Correct	236 ms	27576 KB	Output is correct
15	Correct	246 ms	28472 KB	Output is correct
16	Correct	251 ms	27704 KB	Output is correct
17	Correct	250 ms	27576 KB	Output is correct
18	Correct	212 ms	29496 KB	Output is correct
19	Correct	208 ms	26552 KB	Output is correct
20	Correct	273 ms	28148 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	876 KB	Output is correct
2	Correct	2 ms	924 KB	Output is correct
3	Correct	2 ms	876 KB	Output is correct
4	Correct	2 ms	876 KB	Output is correct
5	Correct	2 ms	876 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	876 KB	Output is correct
9	Correct	2 ms	876 KB	Output is correct
10	Correct	2 ms	876 KB	Output is correct
11	Correct	250 ms	28472 KB	Output is correct
12	Correct	266 ms	28088 KB	Output is correct
13	Correct	271 ms	27448 KB	Output is correct
14	Correct	236 ms	27576 KB	Output is correct
15	Correct	246 ms	28472 KB	Output is correct
16	Correct	251 ms	27704 KB	Output is correct
17	Correct	250 ms	27576 KB	Output is correct
18	Correct	212 ms	29496 KB	Output is correct
19	Correct	208 ms	26552 KB	Output is correct
20	Correct	273 ms	28148 KB	Output is correct
21	Correct	309 ms	40872 KB	Output is correct
22	Correct	330 ms	47924 KB	Output is correct
23	Correct	303 ms	35716 KB	Output is correct
24	Correct	300 ms	36144 KB	Output is correct
25	Correct	316 ms	42880 KB	Output is correct
26	Correct	333 ms	37124 KB	Output is correct
27	Correct	321 ms	36992 KB	Output is correct
28	Correct	272 ms	49924 KB	Output is correct
29	Correct	250 ms	30232 KB	Output is correct
30	Correct	329 ms	40284 KB	Output is correct
31	Correct	318 ms	39508 KB	Output is correct
32	Correct	323 ms	38276 KB	Output is correct
33	Correct	282 ms	42168 KB	Output is correct
34	Correct	303 ms	36096 KB	Output is correct
35	Correct	323 ms	37068 KB	Output is correct
36	Correct	233 ms	30136 KB	Output is correct
37	Correct	307 ms	47544 KB	Output is correct
38	Correct	242 ms	30252 KB	Output is correct
39	Correct	304 ms	35632 KB	Output is correct
40	Correct	302 ms	36100 KB	Output is correct

Subtask #4
0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	876 KB	Output is correct
2	Correct	2 ms	924 KB	Output is correct
3	Correct	2 ms	876 KB	Output is correct
4	Correct	2 ms	876 KB	Output is correct
5	Correct	2 ms	876 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	876 KB	Output is correct
9	Correct	2 ms	876 KB	Output is correct
10	Correct	2 ms	876 KB	Output is correct
11	Execution timed out	2076 ms	6688 KB	Time limit exceeded
12	Halted	0 ms	0 KB	-

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	876 KB	Output is correct
2	Correct	2 ms	924 KB	Output is correct
3	Correct	2 ms	876 KB	Output is correct
4	Correct	2 ms	876 KB	Output is correct
5	Correct	2 ms	876 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	876 KB	Output is correct
9	Correct	2 ms	876 KB	Output is correct
10	Correct	2 ms	876 KB	Output is correct
11	Correct	250 ms	28472 KB	Output is correct
12	Correct	266 ms	28088 KB	Output is correct
13	Correct	271 ms	27448 KB	Output is correct
14	Correct	236 ms	27576 KB	Output is correct
15	Correct	246 ms	28472 KB	Output is correct
16	Correct	251 ms	27704 KB	Output is correct
17	Correct	250 ms	27576 KB	Output is correct
18	Correct	212 ms	29496 KB	Output is correct
19	Correct	208 ms	26552 KB	Output is correct
20	Correct	273 ms	28148 KB	Output is correct
21	Correct	309 ms	40872 KB	Output is correct
22	Correct	330 ms	47924 KB	Output is correct
23	Correct	303 ms	35716 KB	Output is correct
24	Correct	300 ms	36144 KB	Output is correct
25	Correct	316 ms	42880 KB	Output is correct
26	Correct	333 ms	37124 KB	Output is correct
27	Correct	321 ms	36992 KB	Output is correct
28	Correct	272 ms	49924 KB	Output is correct
29	Correct	250 ms	30232 KB	Output is correct
30	Correct	329 ms	40284 KB	Output is correct
31	Correct	318 ms	39508 KB	Output is correct
32	Correct	323 ms	38276 KB	Output is correct
33	Correct	282 ms	42168 KB	Output is correct
34	Correct	303 ms	36096 KB	Output is correct
35	Correct	323 ms	37068 KB	Output is correct
36	Correct	233 ms	30136 KB	Output is correct
37	Correct	307 ms	47544 KB	Output is correct
38	Correct	242 ms	30252 KB	Output is correct
39	Correct	304 ms	35632 KB	Output is correct
40	Correct	302 ms	36100 KB	Output is correct
41	Execution timed out	2076 ms	6688 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

답안 #333913

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 10.0 / 10.0

Subtask #4 0 / 53.0

Subtask #5 0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
10.0 / 10.0

Subtask #4
0 / 53.0

Subtask #5
0 / 25.0