| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1141347 | tfgs | Snake Escaping (JOI18_snake_escaping) | C++17 | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector")
#pragma GCC target("avx2")
#ifdef LOCAL
#include "algo/debug.h"
#else
template <typename... Args>
void dummy(Args&&... args){}
#define ps dummy
#endif
#define f first
#define s second
template<class T> using V = vector<T>;
using vi = V<int>;
using vb = V<bool>;
using vs = V<string>;
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define len(x) (int)((x).size())
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define ai2 array<int,2>
#define ai3 array<int,3>
#define ai4 array<int,4>
#define ai5 array<int,5>
template<class T> int lwb(const V<T>& a, const T& b) { return lb(all(a),b)-begin(a); }
template<class T> int upb(const V<T>& a, const T& b) { return ub(all(a),b)-begin(a); }
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a=b, true : false; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a=b, true : false; }
#define pct __builtin_popcountll
#define ctz __builtin_ctzll
#define clz __builtin_clzll
constexpr int p2(int x) { return (int)1 << x; }
constexpr int bits(int x) { return x == 0 ? 0 : 63-clz(x); } // floor(log2(x))
template<class T>void UNIQUE(V<T>& v) { sort(all(v)); v.erase(unique(all(v)),end(v)); }
template<class T,class U>void erase(T& t, const U& u) { auto it = t.find(u); assert(it != end(t)); t.erase(it); }
template<class F> struct y_combinator_result {
F f;
template<class T> explicit y_combinator_result(T &&f): f(std::forward<T>(f)) {}
template<class ...Args> decltype(auto) operator()(Args &&...args) { return f(std::ref(*this), std::forward<Args>(args)...); }
};
template<class Fun> decltype(auto) yy(Fun &&fun) { return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun)); }
void dfs(int u) {
}
void solve() {
int L, q; cin >> L >> q;
vi arr(p2(L));
for (int i = 0; i < p2(L); i++) {
char c; cin >> c;
arr[i] = c - '0';
}
vi ans(q);
V<pair<vi, int>> qs;
for (int i = 0; i < q; i++) {
vi pat;
for (int j = 0; j < L; j++) {
char c; cin >> c;
pat.pb(c == '?' ? 2 : c - '0');
}
qs.pb({ pat, i });
}
sort(all(qs), [&](const pair<vi, int>& _a, const pair<vi, int>& _b) {
auto a = _a.f, b = _b.f;
for (int i = 0; i < L; i++) {
bool ba = a[i] == 1;
bool bb = b[i] == 1;
if (ba != bb) return ba < bb;
}
return false;
});
int l = 0, r = p2(L);
vi cur_pre;
V<ai2> lrs;
auto descend = [&](const vi& pat) {
while (len(cur_pre) < len(pat)) {
lrs.pb({ l, r });
int m = (l + r) / 2;
if (pat[len(cur_pre)] == 2) {
for (int i = l; i < m; i++) {
arr[i] += arr[i + (r - l) / 2];
}
}
(pat[len(cur_pre)] == 1 ? l : r) = m;
cur_pre.pb(pat[len(cur_pre)]);
}
};
auto ascend = [&](int new_dep) {
while (len(cur_pre) > new_dep) {
tie(l, r) = lrs.bk;
lrs.pop_back();
int m = (l + r) / 2;
if (cur_pre.bk == 2) {
for (int i = l; i < m; i++) {
arr[i] -= arr[i + (r - l) / 2];
}
}
cur_pre.pop_back();
}
};
for (int i = 0; i < q; i++) {
descend(qs[i].f);
assert(l == r - 1);
ans[qs[i].s] = arr[l];
if (i < q - 1) {
int lcp = 0;
while (lcp < L && qs[i].f[lcp] == qs[i + 1].f[lcp]) lcp++;
ascend(lcp);
}
}
for (int i = 0; i < q; i++) cout << ans[i] << '\n';
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
solve();
return 0;
}