cp/codeforces/993/f.cc

140 lines
2.7 KiB
C++

#include <bits/stdc++.h> // {{{
// https://codeforces.com/blog/entry/96344
#pragma GCC optimize("O2,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
using f64 = double;
using f128 = long double;
#if __cplusplus >= 202002L
template <typename T>
constexpr T MIN = std::numeric_limits<T>::min();
template <typename T>
constexpr T MAX = std::numeric_limits<T>::max();
template <typename T>
[[nodiscard]] static T sc(auto&& x) {
return static_cast<T>(x);
}
template <typename T>
[[nodiscard]] static T sz(auto&& x) {
return static_cast<T>(x.size());
}
#endif
static void NO() {
std::cout << "NO\n";
}
static void YES() {
std::cout << "YES\n";
}
template <typename T>
using vec = std::vector<T>;
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define ff first
#define ss second
#ifdef LOCAL
#define db(...) std::print(__VA_ARGS__)
#define dbln(...) std::println(__VA_ARGS__)
#else
#define db(...)
#define dbln(...)
#endif
// }}}
void solve() {
const int LIM = 2 * 1e5;
bitset<LIM + 1> Apos, Aneg, Bpos, Bneg;
Apos.reset();
Aneg.reset();
Bpos.reset();
Bneg.reset();
/* ---------- read input & build bitsets ---------- */
u32 n, m, q;
cin >> n >> m >> q;
vector<i64> a(n), b(m);
i64 A = 0, B = 0;
for (u32 i = 0; i < n; ++i) {
cin >> a[i];
A += a[i];
}
for (u32 i = 0; i < m; ++i) {
cin >> b[i];
B += b[i];
}
auto add_term = [](i64 t, bitset<LIM + 1>& pos, bitset<LIM + 1>& neg) {
if (t == 0 || abs(t) > LIM)
return;
(t > 0 ? pos : neg).set(abs(t));
};
for (u32 i = 0; i < n; ++i)
add_term(A - a[i], Apos, Aneg);
for (u32 i = 0; i < m; ++i)
add_term(B - b[i], Bpos, Bneg);
vec<vec<u32>> div(LIM + 1);
for (int d = 1; d <= LIM; ++d)
for (int v = d; v <= LIM; v += d)
div[v].push_back(d);
for (u32 _ = 0; _ < q; ++_) {
int x;
cin >> x;
int y = abs(x);
bool good = false;
for (int d : div[y]) {
int e = y / d;
if (x > 0) {
if ((Apos[d] && Bpos[e]) || (Apos[e] && Bpos[d]) ||
(Aneg[d] && Bneg[e]) || (Aneg[e] && Bneg[d])) {
good = true;
break;
}
} else {
if ((Apos[d] && Bneg[e]) || (Apos[e] && Bneg[d]) ||
(Aneg[d] && Bpos[e]) || (Aneg[e] && Bpos[d])) {
good = true;
break;
}
}
}
good ? YES() : NO();
}
}
int main() { // {{{
cin.tie(nullptr)->sync_with_stdio(false);
cin.exceptions(cin.failbit);
u32 tc = 1;
// cin >> tc;
for (u32 t = 0; t < tc; ++t) {
solve();
}
return 0;
}
// }}}