結果
| 問題 |
No.1286 Stone Skipping
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-11-13 21:29:13 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,113 bytes |
| コンパイル時間 | 1,816 ms |
| コンパイル使用メモリ | 167,448 KB |
| 実行使用メモリ | 6,948 KB |
| 最終ジャッジ日時 | 2024-07-22 20:29:32 |
| 合計ジャッジ時間 | 2,481 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | WA * 3 |
| other | AC * 14 WA * 12 |
ソースコード
// yukicoder/contest274/B/main.cpp
// author: @___Johniel
// github: https://github.com/johniel/
#include <bits/stdc++.h>
#define each(i, c) for (auto& i : c)
#define unless(cond) if (!(cond))
using namespace std;
template<typename P, typename Q> ostream& operator << (ostream& os, pair<P, Q> p) { os << "(" << p.first << "," << p.second << ")"; return os; }
template<typename P, typename Q> istream& operator >> (istream& is, pair<P, Q>& p) { is >> p.first >> p.second; return is; }
template<typename T> ostream& operator << (ostream& os, vector<T> v) { os << "("; for (auto& i: v) os << i << ","; os << ")"; return os; }
template<typename T> istream& operator >> (istream& is, vector<T>& v) { for (auto& i: v) is >> i; return is; }
template<typename T> ostream& operator << (ostream& os, set<T> s) { os << "#{"; for (auto& i: s) os << i << ","; os << "}"; return os; }
template<typename K, typename V> ostream& operator << (ostream& os, map<K, V> m) { os << "{"; for (auto& i: m) os << i << ","; os << "}"; return os; }
template<typename T> inline T setmax(T& a, T b) { return a = std::max(a, b); }
template<typename T> inline T setmin(T& a, T b) { return a = std::min(a, b); }
using lli = long long int;
using ull = unsigned long long;
using point = complex<double>;
using str = string;
template<typename T> using vec = vector<T>;
constexpr array<int, 8> di({0, 1, -1, 0, 1, -1, 1, -1});
constexpr array<int, 8> dj({1, 0, 0, -1, 1, -1, -1, 1});
constexpr lli mod = 1e9 + 7;
int main(int argc, char *argv[])
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.setf(ios_base::fixed);
cout.precision(15);
lli d;
while (cin >> d) {
auto fn = [&] (lli x) {
lli sum = 0;
while (x) {
sum += x;
x /= 2;
if (d <= sum) return sum;
}
return sum;
};
lli small = 0;
lli large = 1LL << 60;
while (small + 1 < large) {
lli mid = (small + large) / 2;
if (d < fn(mid)) large = mid;
else small = mid;
}
if (d <= fn(small)) cout << small << endl;
else if (d < fn(large)) cout << large << endl;
}
return 0;
}