#include<iostream>
#include<string>
using namespace std;
#include<map>
#include<string>
#include<algorithm>
#include<vector>
using namespace std;
#define all(x) x.begin(),x.end()
string str;
int n;
map<string, int> mp;
string its(int a, int l) {
string res = "";
for (int i = 0; i < l; i++) {
res += '0' + (a & 1);
a >>= 1;
}
reverse(all(res));
return res;
}
int sti(string s) {
int res = 0;
for (int i = 0; i < n; i++) {
res <<= 1;
res += s[i] - '0';
}
return res;
}
void rec(string s, int i) {
if (s.size() == n) {
if (i == -1) {
mp[s] = str[sti(s)]-'0'; return;
}
int u = 0;
s[i] = '0';
u = mp[s];
s[i] = '1';
u += mp[s];
s[i] = '?';
mp[s] = u;
return;
}
rec(s + '0', i);
rec(s + '1', i);
rec(s + '?', s.size());
}
void init(int N, int Q, string S) {
n = N;
str = S;
rec("", -1);
}
int query(string A) {
return mp[A];
}
int main() {
ios::sync_with_stdio(0); cin.tie(0);
int N, Q; cin >> N >> Q;
string S; cin >> S;
init(N, Q, move(S));
for (int i = 0; i < Q; i++) {
string A;
cin >> A;
cout << query(move(A)) << endl;
}
}
Compilation message
snake_escaping.cpp: In function 'void rec(std::string, int)':
snake_escaping.cpp:32:15: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
32 | if (s.size() == n) {
| ~~~~~~~~~^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
31 ms |
4904 KB |
Output is correct |
2 |
Correct |
34 ms |
4952 KB |
Output is correct |
3 |
Correct |
42 ms |
4984 KB |
Output is correct |
4 |
Correct |
37 ms |
4888 KB |
Output is correct |
5 |
Correct |
41 ms |
5032 KB |
Output is correct |
6 |
Correct |
34 ms |
4888 KB |
Output is correct |
7 |
Correct |
34 ms |
4956 KB |
Output is correct |
8 |
Correct |
37 ms |
4956 KB |
Output is correct |
9 |
Correct |
35 ms |
5056 KB |
Output is correct |
10 |
Correct |
32 ms |
5036 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
31 ms |
4904 KB |
Output is correct |
2 |
Correct |
34 ms |
4952 KB |
Output is correct |
3 |
Correct |
42 ms |
4984 KB |
Output is correct |
4 |
Correct |
37 ms |
4888 KB |
Output is correct |
5 |
Correct |
41 ms |
5032 KB |
Output is correct |
6 |
Correct |
34 ms |
4888 KB |
Output is correct |
7 |
Correct |
34 ms |
4956 KB |
Output is correct |
8 |
Correct |
37 ms |
4956 KB |
Output is correct |
9 |
Correct |
35 ms |
5056 KB |
Output is correct |
10 |
Correct |
32 ms |
5036 KB |
Output is correct |
11 |
Correct |
1452 ms |
14812 KB |
Output is correct |
12 |
Correct |
1473 ms |
14172 KB |
Output is correct |
13 |
Correct |
1542 ms |
13468 KB |
Output is correct |
14 |
Correct |
1511 ms |
13920 KB |
Output is correct |
15 |
Correct |
1459 ms |
14984 KB |
Output is correct |
16 |
Correct |
1485 ms |
13908 KB |
Output is correct |
17 |
Correct |
1516 ms |
13880 KB |
Output is correct |
18 |
Correct |
1392 ms |
15704 KB |
Output is correct |
19 |
Correct |
1356 ms |
12768 KB |
Output is correct |
20 |
Correct |
1403 ms |
14260 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
31 ms |
4904 KB |
Output is correct |
2 |
Correct |
34 ms |
4952 KB |
Output is correct |
3 |
Correct |
42 ms |
4984 KB |
Output is correct |
4 |
Correct |
37 ms |
4888 KB |
Output is correct |
5 |
Correct |
41 ms |
5032 KB |
Output is correct |
6 |
Correct |
34 ms |
4888 KB |
Output is correct |
7 |
Correct |
34 ms |
4956 KB |
Output is correct |
8 |
Correct |
37 ms |
4956 KB |
Output is correct |
9 |
Correct |
35 ms |
5056 KB |
Output is correct |
10 |
Correct |
32 ms |
5036 KB |
Output is correct |
11 |
Correct |
1452 ms |
14812 KB |
Output is correct |
12 |
Correct |
1473 ms |
14172 KB |
Output is correct |
13 |
Correct |
1542 ms |
13468 KB |
Output is correct |
14 |
Correct |
1511 ms |
13920 KB |
Output is correct |
15 |
Correct |
1459 ms |
14984 KB |
Output is correct |
16 |
Correct |
1485 ms |
13908 KB |
Output is correct |
17 |
Correct |
1516 ms |
13880 KB |
Output is correct |
18 |
Correct |
1392 ms |
15704 KB |
Output is correct |
19 |
Correct |
1356 ms |
12768 KB |
Output is correct |
20 |
Correct |
1403 ms |
14260 KB |
Output is correct |
21 |
Runtime error |
522 ms |
65536 KB |
Execution killed with signal 9 |
22 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
31 ms |
4904 KB |
Output is correct |
2 |
Correct |
34 ms |
4952 KB |
Output is correct |
3 |
Correct |
42 ms |
4984 KB |
Output is correct |
4 |
Correct |
37 ms |
4888 KB |
Output is correct |
5 |
Correct |
41 ms |
5032 KB |
Output is correct |
6 |
Correct |
34 ms |
4888 KB |
Output is correct |
7 |
Correct |
34 ms |
4956 KB |
Output is correct |
8 |
Correct |
37 ms |
4956 KB |
Output is correct |
9 |
Correct |
35 ms |
5056 KB |
Output is correct |
10 |
Correct |
32 ms |
5036 KB |
Output is correct |
11 |
Runtime error |
427 ms |
65536 KB |
Execution killed with signal 9 |
12 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
31 ms |
4904 KB |
Output is correct |
2 |
Correct |
34 ms |
4952 KB |
Output is correct |
3 |
Correct |
42 ms |
4984 KB |
Output is correct |
4 |
Correct |
37 ms |
4888 KB |
Output is correct |
5 |
Correct |
41 ms |
5032 KB |
Output is correct |
6 |
Correct |
34 ms |
4888 KB |
Output is correct |
7 |
Correct |
34 ms |
4956 KB |
Output is correct |
8 |
Correct |
37 ms |
4956 KB |
Output is correct |
9 |
Correct |
35 ms |
5056 KB |
Output is correct |
10 |
Correct |
32 ms |
5036 KB |
Output is correct |
11 |
Correct |
1452 ms |
14812 KB |
Output is correct |
12 |
Correct |
1473 ms |
14172 KB |
Output is correct |
13 |
Correct |
1542 ms |
13468 KB |
Output is correct |
14 |
Correct |
1511 ms |
13920 KB |
Output is correct |
15 |
Correct |
1459 ms |
14984 KB |
Output is correct |
16 |
Correct |
1485 ms |
13908 KB |
Output is correct |
17 |
Correct |
1516 ms |
13880 KB |
Output is correct |
18 |
Correct |
1392 ms |
15704 KB |
Output is correct |
19 |
Correct |
1356 ms |
12768 KB |
Output is correct |
20 |
Correct |
1403 ms |
14260 KB |
Output is correct |
21 |
Runtime error |
522 ms |
65536 KB |
Execution killed with signal 9 |
22 |
Halted |
0 ms |
0 KB |
- |