Submission #66076

ソースコード

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// #pragma GCC optimize "Ofast"
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
#include "bits/stdc++.h"
// Begin Header {{{
#pragma region
using namespace std;
using usize = size_t;
using imax = intmax_t;
using uimax = uintmax_t;
using ld = long double;
#ifndef DEBUG
#define dump(...)
#endif
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define rep(i, b, e) for (intmax_t i = (b), i##_limit = (e); i < i##_limit; ++i)
#define repc(i, b, e) for (intmax_t i = (b), i##_limit = (e); i <= i##_limit; ++i)
#define repr(i, b, e) for (intmax_t i = (b), i##_limit = (e); i >= i##_limit; --i)
#define var(Type, ...) Type __VA_ARGS__; input(__VA_ARGS__)
#define let const auto
constexpr size_t operator""_zu(unsigned long long value) { return value; };
constexpr intmax_t operator""_jd(unsigned long long value) { return value; };
constexpr uintmax_t operator""_ju(unsigned long long value) { return value; };
constexpr int INF = 0x3f3f3f3f;
constexpr intmax_t LINF = 0x3f3f3f3f3f3f3f3f_jd;
template <class T, class Compare = less<>>
using MaxHeap = priority_queue<T, vector<T>, Compare>;
template <class T, class Compare = greater<>>
using MinHeap = priority_queue<T, vector<T>, Compare>;
inline void input() {}
template <class Head, class... Tail>
inline void input(Head&& head, Tail&&... tail) {
cin >> head;
input(forward<Tail>(tail)...);
}
template <class Container, class Value = typename Container::value_type,
enable_if_t<!is_same<Container, string>::value, nullptr_t> = nullptr>
inline istream& operator>>(istream &is, Container &vs) {
for (auto &v: vs) is >> v;
return is;
}
template <class T, class U>
inline istream& operator>>(istream& is, pair<T, U>& p) {
is >> p.first >> p.second;
return is;
}
inline void output() { cout << "\n"; }
template <class Head, class... Tail>
inline void output(Head&& head, Tail&&... tail) {
cout << head;
if (sizeof...(tail)) cout << " ";
output(forward<Tail>(tail)...);
}
template <class Container, class Value = typename Container::value_type,
enable_if_t<!is_same<Container, string>::value, nullptr_t> = nullptr>
inline ostream& operator<<(ostream &os, const Container &vs) {
static constexpr const char *delim[] = {" ", ""};
for (auto it = begin(vs); it != end(vs); ++it) {
os << delim[it == begin(vs)] << *it;
}
return os;
}
template <class Iterator>
inline void join(const Iterator &Begin, const Iterator &End, const string &delim = "\n", const string &last = "\n") {
for (auto it = Begin; it != End; ++it) {
cout << ((it == Begin) ? "" : delim) << *it;
}
cout << last;
}
template <class T>
inline vector<T> makeVector(const T &init_value, size_t sz) {
return vector<T>(sz, init_value);
}
template <class T, class... Args>
inline auto makeVector(const T &init_value, size_t sz, Args... args) {
return vector<decltype(makeVector<T>(init_value, args...))>(sz, makeVector<T>(init_value, args...));
}
template <class Func>
class FixPoint : Func {
public:
explicit constexpr FixPoint(Func&& f) noexcept : Func(forward<Func>(f)) {}
template <class... Args>
constexpr decltype(auto) operator()(Args&&... args) const {
return Func::operator()(*this, std::forward<Args>(args)...);
}
};
template <class Func>
static inline constexpr decltype(auto) makeFixPoint(Func&& f) noexcept {
return FixPoint<Func>{forward<Func>(f)};
}
template <class Container>
struct reverse_t {
Container &c;
reverse_t(Container &c) : c(c) {}
auto begin() { return c.rbegin(); }
auto end() { return c.rend(); }
};
template <class Container>
auto reversed(Container &c) {
return reverse_t<Container>(c);
}
template <class T>
inline bool chmax(T &a, const T &b) noexcept {
return b > a && (a = b, true);
}
template <class T>
inline bool chmin(T &a, const T &b) noexcept {
return b < a && (a = b, true);
}
template <class T>
inline T diff(const T &a, const T &b) noexcept {
return a < b ? b - a : a - b;
}
void operator|=(vector<bool>::reference lhs, const bool rhs) {
lhs = lhs | rhs;
}
void ioinit() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout << fixed << setprecision(10);
clog << fixed << setprecision(10);
}
#pragma endregion
// }}} End Header
// にゃんにゃ
int test_case() {
var(uimax, N);
assert(1 <= N && N <= 1e18);
uimax ok = 0, ng = INF;
while (ng - ok > 1) {
uimax mid = (ok + ng) / 2;
if (2 * mid * mid <= N) ok = mid;
else ng = mid;
}
output(ok);
return 0;
}
signed main() {
ioinit();
var(imax, T);
while (T--) {
test_case();
}
return 0;
}

ステータス

項目 データ
問題 1483 - Laying of Tiles
ユーザー名 もけ
投稿日時 2021-04-07 15:03:10
言語 C++17
状態 Accepted
得点 3
ソースコード長 4937 Byte
最大実行時間 26 ms
最大メモリ使用量 740 KB

セット

セット 得点 Cases
1 ALL 3 / 3 *

テストケース

ファイル名 状態 実行時間 メモリ使用量 #
in01.txt AC 18 ms 476 KB
1
in02.txt AC 16 ms 556 KB
1
in03.txt AC 22 ms 504 KB
1
in04.txt AC 26 ms 460 KB
1
in05.txt AC 23 ms 544 KB
1
in06.txt AC 22 ms 620 KB
1
in07.txt AC 22 ms 440 KB
1
in08.txt AC 17 ms 524 KB
1
in09.txt AC 19 ms 472 KB
1
in10.txt AC 25 ms 552 KB
1
in11.txt AC 22 ms 624 KB
1
in12.txt AC 18 ms 572 KB
1
in13.txt AC 17 ms 516 KB
1
in14.txt AC 26 ms 588 KB
1
in15.txt AC 21 ms 664 KB
1
in16.txt AC 21 ms 612 KB
1
in17.txt AC 19 ms 440 KB
1
in18.txt AC 24 ms 528 KB
1
in19.txt AC 20 ms 740 KB
1
in20.txt AC 23 ms 564 KB
1
sample01.txt AC 20 ms 648 KB
1
sample02.txt AC 18 ms 728 KB
1