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답안 #333930

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
333930 2020-12-08T03:35:11 Z YJU Snake Escaping (JOI18_snake_escaping) C++14
12 / 100
 1211 ms 45328 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;
		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,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')!=(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 1004 KB Output is correct
2 Correct 3 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 1016 KB Output is correct
8 Correct 2 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 3 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 3 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 1016 KB Output is correct
8 Correct 2 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 3 ms 1004 KB Output is correct
11 Correct 252 ms 28796 KB Output is correct
12 Correct 269 ms 28472 KB Output is correct
13 Correct 282 ms 27656 KB Output is correct
14 Correct 247 ms 27832 KB Output is correct
15 Correct 252 ms 28728 KB Output is correct
16 Correct 305 ms 28088 KB Output is correct
17 Correct 250 ms 27960 KB Output is correct
18 Correct 223 ms 29752 KB Output is correct
19 Correct 216 ms 26876 KB Output is correct
20 Correct 270 ms 28472 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 3 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 1016 KB Output is correct
8 Correct 2 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 3 ms 1004 KB Output is correct
11 Correct 252 ms 28796 KB Output is correct
12 Correct 269 ms 28472 KB Output is correct
13 Correct 282 ms 27656 KB Output is correct
14 Correct 247 ms 27832 KB Output is correct
15 Correct 252 ms 28728 KB Output is correct
16 Correct 305 ms 28088 KB Output is correct
17 Correct 250 ms 27960 KB Output is correct
18 Correct 223 ms 29752 KB Output is correct
19 Correct 216 ms 26876 KB Output is correct
20 Correct 270 ms 28472 KB Output is correct
21 Incorrect 349 ms 45328 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 3 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 1016 KB Output is correct
8 Correct 2 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 3 ms 1004 KB Output is correct
11 Incorrect 1211 ms 2696 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 3 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 1016 KB Output is correct
8 Correct 2 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 3 ms 1004 KB Output is correct
11 Correct 252 ms 28796 KB Output is correct
12 Correct 269 ms 28472 KB Output is correct
13 Correct 282 ms 27656 KB Output is correct
14 Correct 247 ms 27832 KB Output is correct
15 Correct 252 ms 28728 KB Output is correct
16 Correct 305 ms 28088 KB Output is correct
17 Correct 250 ms 27960 KB Output is correct
18 Correct 223 ms 29752 KB Output is correct
19 Correct 216 ms 26876 KB Output is correct
20 Correct 270 ms 28472 KB Output is correct
21 Incorrect 349 ms 45328 KB Output isn't correct
22 Halted 0 ms 0 KB -