#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<ll, ll> pii;
typedef pair<ld, ld> pld;
ll l, q;
string s;
ll a = 8, b = 3;
ll sum[(1<<10)+10][(1<<7)+10];
ll p3[30];
unordered_map<ll, ll> dp[(1<<10)+10];
ll v2;
ll n;
ll calc(ll step, ll idx, ll val){
if(dp[idx][val] != 0){
return dp[idx][val]-1;
}
if(idx >= n){
//cout << s << '\n' << idx << '\n';
dp[idx][val] = sum[idx-(1<<a)][v2]+1;
return dp[idx][val]-1;
}
dp[idx][val] = 1;
if(val/p3[step] != 1)
dp[idx][val] += calc(step-1, idx*2, val%p3[step]);
if(val/p3[step] != 0)
dp[idx][val] += calc(step-1, idx*2+1, val%p3[step]);
return dp[idx][val]-1;
}
map<ll, ll> mpp;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
p3[0] = 1;
for(ll i = 1; i < 30; ++i)
p3[i] = 3*p3[i-1];
cin >> l >> q;
a = min(a, l);
n = (1<<l);
cin >> s;
ll cur = (1<<a);
for(ll i = 0; i < n; ++i){
if(mpp[i&((1<<a)-1)] == 0) mpp[i&((1<<a)-1)] = cur++;
ll v1 = mpp[i&((1<<a)-1)];
for(ll bit = 0; bit < (1<<b); ++bit){
ll idx = 0;
ll val = (i>>a);
for(ll j = 0; j < b; ++j){
if((1<<j)&bit)
idx += p3[j]*(val%2);
else
idx += p3[j]*2;
val /= 2;
}
sum[v1-(1<<a)][idx] += s[i]-'0';
}
}
for(ll i = 0; i < q; ++i){
cin >> s;
reverse(s.begin(), s.end());
ll v1 = 0;
for(ll i = 0; i < s.size(); ++i){
if(s[i] == '1')
v1 += p3[i];
else if(s[i] == '?')
v1 += 2*p3[i];
}
v2 = 0;
for(ll i = a; i < a+b; ++i){
if(i >= s.size())
v2 += 2*p3[i-a];
else if(s[i] == '1')
v2 += p3[i-a];
else if(s[i] == '?')
v2 += 2*p3[i-a];
}
cout << calc(a-1, 1, v1) << '\n';
}
}
Compilation message
snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:75:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(ll i = 0; i < s.size(); ++i){
~~^~~~~~~~~~
snake_escaping.cpp:83:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(i >= s.size())
~~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
1152 KB |
Execution killed with signal 8 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
1152 KB |
Execution killed with signal 8 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
1152 KB |
Execution killed with signal 8 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
1152 KB |
Execution killed with signal 8 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
1152 KB |
Execution killed with signal 8 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
