oj.uz

Submission #709001

# Submission time Handle Problem Language Result Execution time Memory
709001 2023-03-13T03:47:42 Z myrcella Snake Escaping (JOI18_snake_escaping) C++17
22 / 100
 335 ms 27840 KB 
//by szh
#include<bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define mod 1000000007
#define ALL(x) x.begin(),x.end()
void inc(int &a,int b) {a=(a+b)%mod;}
void dec(int &a,int b) {a=(a-b+mod)%mod;}
int lowbit(int x) {return x&(-x);}
ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;}

int L,Q;
int ans[2000010];
string s;
int pw[14];

int getans(int mask) {
	if (ans[mask]!=-1) return ans[mask];
	int nmask = mask;
	int tmp = 1;
	while (nmask%3!=2) nmask/=3,tmp*=3;
	return ans[mask] = getans(mask-tmp) + getans(mask-2*tmp);
}

int main() {
//	freopen("input.txt","r",stdin);	
	std::ios::sync_with_stdio(false);cin.tie(0);
	pw[0]=1;
	rep(i,1,14) pw[i] = pw[i-1]*3;
	cin>>L>>Q;
	cin>>s;
	memset(ans,-1,sizeof(ans));
	rep(i,0,(1<<L)) {
		int cur = (int)(s[i]-'0');
		int val = 0;
		rep(j,0,L) {
			val += ((i>>j)&1)*pw[j];
		}
		ans[val] = cur;
	}
	rep(mask,0,pw[L]) getans(mask);
	while (Q--) {
		string ss;cin>>ss;
		int mask = 0;
		rep(i,0,L) {
			if (ss[L-1-i]=='1') mask+=pw[i];
			else if (ss[L-1-i]=='?') mask+=pw[i]*2;
		}
		cout<<ans[mask]<<"\n";
	}
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8148 KB Output is correct
2 Correct 4 ms 8148 KB Output is correct
3 Correct 4 ms 8148 KB Output is correct
4 Correct 4 ms 8112 KB Output is correct
5 Correct 4 ms 8148 KB Output is correct
6 Correct 5 ms 8148 KB Output is correct
7 Correct 4 ms 8148 KB Output is correct
8 Correct 3 ms 8148 KB Output is correct
9 Correct 5 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8148 KB Output is correct
2 Correct 4 ms 8148 KB Output is correct
3 Correct 4 ms 8148 KB Output is correct
4 Correct 4 ms 8112 KB Output is correct
5 Correct 4 ms 8148 KB Output is correct
6 Correct 5 ms 8148 KB Output is correct
7 Correct 4 ms 8148 KB Output is correct
8 Correct 3 ms 8148 KB Output is correct
9 Correct 5 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 177 ms 12032 KB Output is correct
12 Correct 195 ms 11712 KB Output is correct
13 Correct 192 ms 10968 KB Output is correct
14 Correct 194 ms 11124 KB Output is correct
15 Correct 186 ms 12128 KB Output is correct
16 Correct 199 ms 11248 KB Output is correct
17 Correct 204 ms 11284 KB Output is correct
18 Correct 146 ms 13100 KB Output is correct
19 Correct 181 ms 10028 KB Output is correct
20 Correct 187 ms 11792 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8148 KB Output is correct
2 Correct 4 ms 8148 KB Output is correct
3 Correct 4 ms 8148 KB Output is correct
4 Correct 4 ms 8112 KB Output is correct
5 Correct 4 ms 8148 KB Output is correct
6 Correct 5 ms 8148 KB Output is correct
7 Correct 4 ms 8148 KB Output is correct
8 Correct 3 ms 8148 KB Output is correct
9 Correct 5 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 177 ms 12032 KB Output is correct
12 Correct 195 ms 11712 KB Output is correct
13 Correct 192 ms 10968 KB Output is correct
14 Correct 194 ms 11124 KB Output is correct
15 Correct 186 ms 12128 KB Output is correct
16 Correct 199 ms 11248 KB Output is correct
17 Correct 204 ms 11284 KB Output is correct
18 Correct 146 ms 13100 KB Output is correct
19 Correct 181 ms 10028 KB Output is correct
20 Correct 187 ms 11792 KB Output is correct
21 Correct 218 ms 25716 KB Output is correct
22 Correct 263 ms 25948 KB Output is correct
23 Correct 262 ms 24972 KB Output is correct
24 Correct 265 ms 24768 KB Output is correct
25 Correct 259 ms 26876 KB Output is correct
26 Correct 335 ms 25328 KB Output is correct
27 Correct 327 ms 25232 KB Output is correct
28 Correct 206 ms 27840 KB Output is correct
29 Correct 227 ms 23752 KB Output is correct
30 Correct 264 ms 26104 KB Output is correct
31 Correct 331 ms 25980 KB Output is correct
32 Correct 280 ms 25976 KB Output is correct
33 Correct 249 ms 24776 KB Output is correct
34 Correct 264 ms 24840 KB Output is correct
35 Correct 295 ms 25388 KB Output is correct
36 Correct 161 ms 23752 KB Output is correct
37 Correct 215 ms 25912 KB Output is correct
38 Correct 220 ms 23828 KB Output is correct
39 Correct 286 ms 24976 KB Output is correct
40 Correct 280 ms 24768 KB Output is correct

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8148 KB Output is correct
2 Correct 4 ms 8148 KB Output is correct
3 Correct 4 ms 8148 KB Output is correct
4 Correct 4 ms 8112 KB Output is correct
5 Correct 4 ms 8148 KB Output is correct
6 Correct 5 ms 8148 KB Output is correct
7 Correct 4 ms 8148 KB Output is correct
8 Correct 3 ms 8148 KB Output is correct
9 Correct 5 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Runtime error 20 ms 19668 KB Execution killed with signal 11
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8148 KB Output is correct
2 Correct 4 ms 8148 KB Output is correct
3 Correct 4 ms 8148 KB Output is correct
4 Correct 4 ms 8112 KB Output is correct
5 Correct 4 ms 8148 KB Output is correct
6 Correct 5 ms 8148 KB Output is correct
7 Correct 4 ms 8148 KB Output is correct
8 Correct 3 ms 8148 KB Output is correct
9 Correct 5 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 177 ms 12032 KB Output is correct
12 Correct 195 ms 11712 KB Output is correct
13 Correct 192 ms 10968 KB Output is correct
14 Correct 194 ms 11124 KB Output is correct
15 Correct 186 ms 12128 KB Output is correct
16 Correct 199 ms 11248 KB Output is correct
17 Correct 204 ms 11284 KB Output is correct
18 Correct 146 ms 13100 KB Output is correct
19 Correct 181 ms 10028 KB Output is correct
20 Correct 187 ms 11792 KB Output is correct
21 Correct 218 ms 25716 KB Output is correct
22 Correct 263 ms 25948 KB Output is correct
23 Correct 262 ms 24972 KB Output is correct
24 Correct 265 ms 24768 KB Output is correct
25 Correct 259 ms 26876 KB Output is correct
26 Correct 335 ms 25328 KB Output is correct
27 Correct 327 ms 25232 KB Output is correct
28 Correct 206 ms 27840 KB Output is correct
29 Correct 227 ms 23752 KB Output is correct
30 Correct 264 ms 26104 KB Output is correct
31 Correct 331 ms 25980 KB Output is correct
32 Correct 280 ms 25976 KB Output is correct
33 Correct 249 ms 24776 KB Output is correct
34 Correct 264 ms 24840 KB Output is correct
35 Correct 295 ms 25388 KB Output is correct
36 Correct 161 ms 23752 KB Output is correct
37 Correct 215 ms 25912 KB Output is correct
38 Correct 220 ms 23828 KB Output is correct
39 Correct 286 ms 24976 KB Output is correct
40 Correct 280 ms 24768 KB Output is correct
41 Runtime error 20 ms 19668 KB Execution killed with signal 11
42 Halted 0 ms 0 KB -