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Submission #289822

# Submission time Handle Problem Language Result Execution time Memory
289822 2020-09-03T06:13:42 Z Pyqe Snake Escaping (JOI18_snake_escaping) C++14
22 / 100
 1076 ms 65540 KB 
#include <bits/stdc++.h>

using namespace std;

int nd,n,d,d2,p3[12],dh[177147],pst[177147],a[1ll<<20],dp[1ll<<9][177147];

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int t,rr,i,k,w,ww,mk,mkk,z;
	string s;
	
	cin>>nd>>t;
	n=1ll<<nd;
	d=min(nd,9);
	d2=max(nd-9,0);
	p3[0]=1;
	for(i=1;i<=d2;i++)
	{
		p3[i]=p3[i-1]*3;
	}
	for(mk=0;mk<p3[d2];mk++)
	{
		w=0;
		for(i=d2-1;i+1;i--)
		{
			k=mk/p3[i]%3;
			if(k==2)
			{
				break;
			}
			w=w<<1|k;
		}
		dh[mk]=i;
		if(dh[mk]==-1)
		{
			pst[mk]=w;
		}
	}
	cin>>s;
	for(i=0;i<n;i++)
	{
		a[i]=s[i]-'0';
	}
	for(i=0;i<1ll<<d;i++)
	{
		for(mk=0;mk<p3[d2];mk++)
		{
			if(dh[mk]==-1)
			{
				dp[i][mk]=a[i<<d2|pst[mk]];
			}
			else
			{
				dp[i][mk]=dp[i][mk-p3[dh[mk]]*2]+dp[i][mk-p3[dh[mk]]];
			}
		}
	}
	for(rr=0;rr<t;rr++)
	{
		cin>>s;
		w=0;
		ww=0;
		for(i=0;i<d;i++)
		{
			k=(s[i]=='1')+2*(s[i]=='?');
			w=w<<1|k%2;
			ww=ww<<1|k/2;
		}
		mk=0;
		for(i=0;i<d2;i++)
		{
			k=(s[d+i]=='1')+2*(s[d+i]=='?');
			mk=mk*3+k;
		}
		z=0;
		for(mkk=ww;1;mkk=mkk-1&ww)
		{
			z+=dp[mkk|w][mk];
			if(!mkk)
			{
				break;
			}
		}
		cout<<z<<"\n";
	}
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:79:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   79 |   for(mkk=ww;1;mkk=mkk-1&ww)
      |                    ~~~^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3072 KB Output is correct
2 Correct 2 ms 3072 KB Output is correct
3 Correct 2 ms 3072 KB Output is correct
4 Correct 2 ms 2944 KB Output is correct
5 Correct 2 ms 3072 KB Output is correct
6 Correct 2 ms 2944 KB Output is correct
7 Correct 2 ms 3072 KB Output is correct
8 Correct 3 ms 3072 KB Output is correct
9 Correct 2 ms 3072 KB Output is correct
10 Correct 2 ms 3072 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3072 KB Output is correct
2 Correct 2 ms 3072 KB Output is correct
3 Correct 2 ms 3072 KB Output is correct
4 Correct 2 ms 2944 KB Output is correct
5 Correct 2 ms 3072 KB Output is correct
6 Correct 2 ms 2944 KB Output is correct
7 Correct 2 ms 3072 KB Output is correct
8 Correct 3 ms 3072 KB Output is correct
9 Correct 2 ms 3072 KB Output is correct
10 Correct 2 ms 3072 KB Output is correct
11 Correct 243 ms 7160 KB Output is correct
12 Correct 265 ms 6828 KB Output is correct
13 Correct 198 ms 6136 KB Output is correct
14 Correct 203 ms 6264 KB Output is correct
15 Correct 271 ms 7160 KB Output is correct
16 Correct 211 ms 6384 KB Output is correct
17 Correct 226 ms 6332 KB Output is correct
18 Correct 1060 ms 8416 KB Output is correct
19 Correct 194 ms 15864 KB Output is correct
20 Correct 265 ms 17568 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3072 KB Output is correct
2 Correct 2 ms 3072 KB Output is correct
3 Correct 2 ms 3072 KB Output is correct
4 Correct 2 ms 2944 KB Output is correct
5 Correct 2 ms 3072 KB Output is correct
6 Correct 2 ms 2944 KB Output is correct
7 Correct 2 ms 3072 KB Output is correct
8 Correct 3 ms 3072 KB Output is correct
9 Correct 2 ms 3072 KB Output is correct
10 Correct 2 ms 3072 KB Output is correct
11 Correct 243 ms 7160 KB Output is correct
12 Correct 265 ms 6828 KB Output is correct
13 Correct 198 ms 6136 KB Output is correct
14 Correct 203 ms 6264 KB Output is correct
15 Correct 271 ms 7160 KB Output is correct
16 Correct 211 ms 6384 KB Output is correct
17 Correct 226 ms 6332 KB Output is correct
18 Correct 1060 ms 8416 KB Output is correct
19 Correct 194 ms 15864 KB Output is correct
20 Correct 265 ms 17568 KB Output is correct
21 Correct 265 ms 20928 KB Output is correct
22 Correct 291 ms 21112 KB Output is correct
23 Correct 225 ms 20088 KB Output is correct
24 Correct 223 ms 20088 KB Output is correct
25 Correct 315 ms 22008 KB Output is correct
26 Correct 231 ms 20472 KB Output is correct
27 Correct 237 ms 20600 KB Output is correct
28 Correct 1076 ms 23160 KB Output is correct
29 Correct 207 ms 19064 KB Output is correct
30 Correct 280 ms 21112 KB Output is correct
31 Correct 244 ms 20984 KB Output is correct
32 Correct 227 ms 20984 KB Output is correct
33 Correct 215 ms 19836 KB Output is correct
34 Correct 224 ms 19960 KB Output is correct
35 Correct 233 ms 20472 KB Output is correct
36 Correct 199 ms 19096 KB Output is correct
37 Correct 239 ms 20984 KB Output is correct
38 Correct 204 ms 18940 KB Output is correct
39 Correct 229 ms 20196 KB Output is correct
40 Correct 225 ms 19960 KB Output is correct

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3072 KB Output is correct
2 Correct 2 ms 3072 KB Output is correct
3 Correct 2 ms 3072 KB Output is correct
4 Correct 2 ms 2944 KB Output is correct
5 Correct 2 ms 3072 KB Output is correct
6 Correct 2 ms 2944 KB Output is correct
7 Correct 2 ms 3072 KB Output is correct
8 Correct 3 ms 3072 KB Output is correct
9 Correct 2 ms 3072 KB Output is correct
10 Correct 2 ms 3072 KB Output is correct
11 Runtime error 83 ms 65540 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3072 KB Output is correct
2 Correct 2 ms 3072 KB Output is correct
3 Correct 2 ms 3072 KB Output is correct
4 Correct 2 ms 2944 KB Output is correct
5 Correct 2 ms 3072 KB Output is correct
6 Correct 2 ms 2944 KB Output is correct
7 Correct 2 ms 3072 KB Output is correct
8 Correct 3 ms 3072 KB Output is correct
9 Correct 2 ms 3072 KB Output is correct
10 Correct 2 ms 3072 KB Output is correct
11 Correct 243 ms 7160 KB Output is correct
12 Correct 265 ms 6828 KB Output is correct
13 Correct 198 ms 6136 KB Output is correct
14 Correct 203 ms 6264 KB Output is correct
15 Correct 271 ms 7160 KB Output is correct
16 Correct 211 ms 6384 KB Output is correct
17 Correct 226 ms 6332 KB Output is correct
18 Correct 1060 ms 8416 KB Output is correct
19 Correct 194 ms 15864 KB Output is correct
20 Correct 265 ms 17568 KB Output is correct
21 Correct 265 ms 20928 KB Output is correct
22 Correct 291 ms 21112 KB Output is correct
23 Correct 225 ms 20088 KB Output is correct
24 Correct 223 ms 20088 KB Output is correct
25 Correct 315 ms 22008 KB Output is correct
26 Correct 231 ms 20472 KB Output is correct
27 Correct 237 ms 20600 KB Output is correct
28 Correct 1076 ms 23160 KB Output is correct
29 Correct 207 ms 19064 KB Output is correct
30 Correct 280 ms 21112 KB Output is correct
31 Correct 244 ms 20984 KB Output is correct
32 Correct 227 ms 20984 KB Output is correct
33 Correct 215 ms 19836 KB Output is correct
34 Correct 224 ms 19960 KB Output is correct
35 Correct 233 ms 20472 KB Output is correct
36 Correct 199 ms 19096 KB Output is correct
37 Correct 239 ms 20984 KB Output is correct
38 Correct 204 ms 18940 KB Output is correct
39 Correct 229 ms 20196 KB Output is correct
40 Correct 225 ms 19960 KB Output is correct
41 Runtime error 83 ms 65540 KB Execution killed with signal 9
42 Halted 0 ms 0 KB -