Submission #213481

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
213481	2020-03-26T01:08:09 Z	AQT	Snake Escaping (JOI18_snake_escaping)	C++14	22 / 100	1511 ms	65540 KB

snake_escaping

#include <bits/stdc++.h>

using namespace std;

int N, L, Q, T;
int arr[1<<20];
int dp[60000][1<<10];
vector<int> ternary[60000];
int pows[20];

int main(){
	cin.sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> L >> Q;
	N = 1<<L;
	for(int m = 0; m<N; m++){
		char c;
		cin >> c;
		arr[m] = c-'0';
	}
	int H = L/2;
	T = 1;
	pows[0] = 1;
	for(int k = 0; k<H; k++){
		T *= 3;
		pows[k+1] = pows[k] * 3;
	}
	for(int m = 0; m<T; m++){
		int temp = m;
		for(int k = 0; k<H; k++){
			ternary[m].emplace_back(temp%3);
			temp /= 3;
		}
	}
	for(int m = 0; m<1<<(L-H); m++){
		for(int t = 0; t<T; t++){
			bool has2 = 0;
			int temp = 0;
			for(int h = 0; h<H; h++){
				if(ternary[t][h] == 2){
					has2 = 1;
					dp[t][m] = dp[t-pows[h]][m] + dp[t-pows[h]*2][m];
					break;
				}
				temp += (1<<h)*ternary[t][h];
			}
			if(!has2){
				dp[t][m] = arr[(temp<<(L-H)) + m];
			}
		}
	}
	while(Q--){
		string s;
		cin >> s;
		int t = 0;
		vector<int> qu;
		for(int i = 0; i<L; i++){
			if(s[i] == '?'){
				qu.emplace_back(2);
			}
			else{
				qu.emplace_back(s[i]-'0');
			}
		}
		for(int k = 0; k<H; k++){
			t *= 3;
			t += qu[k];
		}
		reverse(qu.begin(), qu.end());
		long long out = 0;
		for(int m = 0; m<1<<(L-H); m++){
			bool good = 1;
			for(int b = 0; b<L-H; b++){
				if(qu[b] == 2 || qu[b] == ((m>>b)&1)){
					
				}
				else{
					good = 0;
					break;
				}
			}
			if(good){
				out += dp[t][m];
			}
		}
		cout << out << "\n";
	}
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	2816 KB	Output is correct
2	Correct	7 ms	2688 KB	Output is correct
3	Correct	6 ms	2816 KB	Output is correct
4	Correct	7 ms	2944 KB	Output is correct
5	Correct	7 ms	2816 KB	Output is correct
6	Correct	7 ms	2816 KB	Output is correct
7	Correct	7 ms	2816 KB	Output is correct
8	Correct	7 ms	2816 KB	Output is correct
9	Correct	7 ms	2816 KB	Output is correct
10	Correct	7 ms	2816 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	2816 KB	Output is correct
2	Correct	7 ms	2688 KB	Output is correct
3	Correct	6 ms	2816 KB	Output is correct
4	Correct	7 ms	2944 KB	Output is correct
5	Correct	7 ms	2816 KB	Output is correct
6	Correct	7 ms	2816 KB	Output is correct
7	Correct	7 ms	2816 KB	Output is correct
8	Correct	7 ms	2816 KB	Output is correct
9	Correct	7 ms	2816 KB	Output is correct
10	Correct	7 ms	2816 KB	Output is correct
11	Correct	692 ms	17528 KB	Output is correct
12	Correct	706 ms	17144 KB	Output is correct
13	Correct	634 ms	16504 KB	Output is correct
14	Correct	654 ms	16504 KB	Output is correct
15	Correct	703 ms	17528 KB	Output is correct
16	Correct	681 ms	16760 KB	Output is correct
17	Correct	687 ms	16632 KB	Output is correct
18	Correct	607 ms	18552 KB	Output is correct
19	Correct	527 ms	15608 KB	Output is correct
20	Correct	693 ms	17272 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	2816 KB	Output is correct
2	Correct	7 ms	2688 KB	Output is correct
3	Correct	6 ms	2816 KB	Output is correct
4	Correct	7 ms	2944 KB	Output is correct
5	Correct	7 ms	2816 KB	Output is correct
6	Correct	7 ms	2816 KB	Output is correct
7	Correct	7 ms	2816 KB	Output is correct
8	Correct	7 ms	2816 KB	Output is correct
9	Correct	7 ms	2816 KB	Output is correct
10	Correct	7 ms	2816 KB	Output is correct
11	Correct	692 ms	17528 KB	Output is correct
12	Correct	706 ms	17144 KB	Output is correct
13	Correct	634 ms	16504 KB	Output is correct
14	Correct	654 ms	16504 KB	Output is correct
15	Correct	703 ms	17528 KB	Output is correct
16	Correct	681 ms	16760 KB	Output is correct
17	Correct	687 ms	16632 KB	Output is correct
18	Correct	607 ms	18552 KB	Output is correct
19	Correct	527 ms	15608 KB	Output is correct
20	Correct	693 ms	17272 KB	Output is correct
21	Correct	1472 ms	22520 KB	Output is correct
22	Correct	1450 ms	22776 KB	Output is correct
23	Correct	1245 ms	21696 KB	Output is correct
24	Correct	1279 ms	21624 KB	Output is correct
25	Correct	1511 ms	23544 KB	Output is correct
26	Correct	1327 ms	22008 KB	Output is correct
27	Correct	1329 ms	22012 KB	Output is correct
28	Correct	1353 ms	24440 KB	Output is correct
29	Correct	879 ms	20472 KB	Output is correct
30	Correct	1425 ms	22648 KB	Output is correct
31	Correct	1426 ms	22520 KB	Output is correct
32	Correct	1353 ms	22520 KB	Output is correct
33	Correct	1132 ms	21368 KB	Output is correct
34	Correct	1265 ms	21496 KB	Output is correct
35	Correct	1326 ms	22008 KB	Output is correct
36	Correct	849 ms	20472 KB	Output is correct
37	Correct	1411 ms	22520 KB	Output is correct
38	Correct	878 ms	20472 KB	Output is correct
39	Correct	1236 ms	21624 KB	Output is correct
40	Correct	1264 ms	21496 KB	Output is correct

Subtask #4
0 / 53.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	2816 KB	Output is correct
2	Correct	7 ms	2688 KB	Output is correct
3	Correct	6 ms	2816 KB	Output is correct
4	Correct	7 ms	2944 KB	Output is correct
5	Correct	7 ms	2816 KB	Output is correct
6	Correct	7 ms	2816 KB	Output is correct
7	Correct	7 ms	2816 KB	Output is correct
8	Correct	7 ms	2816 KB	Output is correct
9	Correct	7 ms	2816 KB	Output is correct
10	Correct	7 ms	2816 KB	Output is correct
11	Runtime error	74 ms	65540 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
12	Halted	0 ms	0 KB	-

Subtask #5
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	2816 KB	Output is correct
2	Correct	7 ms	2688 KB	Output is correct
3	Correct	6 ms	2816 KB	Output is correct
4	Correct	7 ms	2944 KB	Output is correct
5	Correct	7 ms	2816 KB	Output is correct
6	Correct	7 ms	2816 KB	Output is correct
7	Correct	7 ms	2816 KB	Output is correct
8	Correct	7 ms	2816 KB	Output is correct
9	Correct	7 ms	2816 KB	Output is correct
10	Correct	7 ms	2816 KB	Output is correct
11	Correct	692 ms	17528 KB	Output is correct
12	Correct	706 ms	17144 KB	Output is correct
13	Correct	634 ms	16504 KB	Output is correct
14	Correct	654 ms	16504 KB	Output is correct
15	Correct	703 ms	17528 KB	Output is correct
16	Correct	681 ms	16760 KB	Output is correct
17	Correct	687 ms	16632 KB	Output is correct
18	Correct	607 ms	18552 KB	Output is correct
19	Correct	527 ms	15608 KB	Output is correct
20	Correct	693 ms	17272 KB	Output is correct
21	Correct	1472 ms	22520 KB	Output is correct
22	Correct	1450 ms	22776 KB	Output is correct
23	Correct	1245 ms	21696 KB	Output is correct
24	Correct	1279 ms	21624 KB	Output is correct
25	Correct	1511 ms	23544 KB	Output is correct
26	Correct	1327 ms	22008 KB	Output is correct
27	Correct	1329 ms	22012 KB	Output is correct
28	Correct	1353 ms	24440 KB	Output is correct
29	Correct	879 ms	20472 KB	Output is correct
30	Correct	1425 ms	22648 KB	Output is correct
31	Correct	1426 ms	22520 KB	Output is correct
32	Correct	1353 ms	22520 KB	Output is correct
33	Correct	1132 ms	21368 KB	Output is correct
34	Correct	1265 ms	21496 KB	Output is correct
35	Correct	1326 ms	22008 KB	Output is correct
36	Correct	849 ms	20472 KB	Output is correct
37	Correct	1411 ms	22520 KB	Output is correct
38	Correct	878 ms	20472 KB	Output is correct
39	Correct	1236 ms	21624 KB	Output is correct
40	Correct	1264 ms	21496 KB	Output is correct
41	Runtime error	74 ms	65540 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
42	Halted	0 ms	0 KB	-

Submission #213481

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