#include <bits/stdc++.h>
using namespace std;
#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;
void usaco()
{
freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
// freopen("problem.out", "w", stdout);
}
void fastio()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
}
int main() {
// usaco();
fastio();
int l, q;
cin >> l >> q;
string str;
cin >> str;
vi mv(1<<l);
frange(i, 1<<l) {
mv[i] = str[i] - '0';
}
vi po3(l+1);
po3[0] = 1;
forr(i, 1, l+1) po3[i] = po3[i-1] * 3;
vector<string> quer(q);
frange(i, q) {
cin >> quer[i];
reverse(all(quer[i]));
}
int v1 = min(l, 7);
vi out(q);
frange(i, 1<<v1) {
vi val;
frange(j, 1<<l) {
if((j & i) == i) val.pb(mv[j]);
}
int v = 1;
frange(i, l-v1) v *= 3;
vi tot(v);
frange(i, v) {
int li=0;
int r = 0;
int x = 0;
int k = i;
bool done = false;
frange(j, l) {
if(k % 3 == 1) {
x += po3[j];
li += po3[j];
r += po3[j];
}
else if(k % 3 == 2) {
x += po3[j] * 2;
if(!done)
{r += po3[j]; done = true;}
else {
li += po3[j] * 2;;
r += po3[j] * 2;
}
}
k /= 3;
}
k = i;
if(!done) {
int x2 = 0;
frange(j, l) {
if(k % 3 == 1) {
x2 += (1<<j);
}
k /= 3;
}
tot[x] = val[x2];
}
else {
// cout << x << " " << li << " " << r << "\n";
tot[x] = tot[li] + tot[r];
}
}
frange(k, q) {
auto st = quer[k];
bool done = true;
frange(j, v1) {
if(st[j] == '?') continue;
int dig = st[j] - '0';
if(dig != (bool)(i&(1<<j))) {
done = false;
break;
}
}
if(done) {
int num = 0;
frange(j, l-v1) {
if(st[v1+j] == '1') v += po3[j];
else if(st[v1+j] == '?') v += 2*po3[j];
}
out[k] += tot[num];
}
}
}
frange(i, q) cout << out[i] << "\n";
}
Compilation message
snake_escaping.cpp: In function 'void usaco()':
snake_escaping.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
30 | freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
