cp/codeforces/1016/d.cc

158 lines
3 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;
template <typename T>
[[nodiscard]] static T MIN() {
return std::numeric_limits<T>::min();
}
template <typename T>
[[nodiscard]] static T MAX() {
return 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());
}
#define prln(...) std::println(__VA_ARGS__)
#define pr(...) std::print(__VA_ARGS__)
#ifdef LOCAL
#define dbgln(...) std::println(__VA_ARGS__)
#define dbg(...) std::print(__VA_ARGS__)
#else
#define dbgln(...)
#define dbg(...)
#endif
inline static void NO() {
prln("NO");
}
inline static void YES() {
prln("YES");
}
using ll = long long;
using ld = long double;
template <typename T>
using ve = std::vector<T>;
template <typename T, size_t N>
using ar = std::array<T, N>;
template <typename T1, typename T2>
using pa = std::pair<T1, T2>;
template <typename... Ts>
using tu = std::tuple<Ts...>;
template <typename... Ts>
using dq = std::deque<Ts...>;
template <typename... Ts>
using qu = std::queue<Ts...>;
template <typename... Ts>
using pq = std::priority_queue<Ts...>;
template <typename... Ts>
using st = std::stack<Ts...>;
#define ff first
#define ss second
#define eb emplace_back
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
// }}}
void solve() {
ll n;
int q;
cin >> n >> q;
while (q--) {
char cmd;
cin >> cmd >> cmd;
if (cmd == '>') {
ll r, c;
cin >> r >> c;
ll result = 1;
ll N = 1LL << n;
while (N > 1) {
ll half = N / 2;
ll quarter = (N * N) / 4;
if (r <= half && c <= half) {
} else if (r > half && c > half) {
result += quarter;
r -= half;
c -= half;
} else if (r > half && c <= half) {
result += 2 * quarter;
r -= half;
} else {
result += 3 * quarter;
c -= half;
}
N = half;
}
prln("{}", result);
} else {
ll d;
cin >> d;
ll r = 1, c = 1;
ll N = 1LL << n;
while (N > 1) {
ll half = N / 2;
ll quarter = (N * N) / 4;
// didn't translate d right
// construction: lb/ub error prone + wrong;
// think longer on impl
if (d <= quarter) {
} else if (d <= 2 * quarter) {
r += half;
c += half;
d -= quarter;
} else if (d <= 3 * quarter) {
r += half;
d -= 2 * quarter;
} else {
c += half;
d -= 3 * quarter;
}
N = half;
}
prln("{} {}", r, c);
}
}
}
int main() { // {{{
cin.tie(nullptr)->sync_with_stdio(false);
cin.exceptions(cin.failbit);
int t = 1;
cin >> t;
while (t--) {
solve();
}
return 0;
}
// }}}