結果
| 問題 |
No.1980 [Cherry 4th Tune D] 停止距離
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-06-17 22:12:56 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,431 bytes |
| コンパイル時間 | 1,454 ms |
| コンパイル使用メモリ | 166,600 KB |
| 実行使用メモリ | 5,248 KB |
| 最終ジャッジ日時 | 2024-10-09 08:13:57 |
| 合計ジャッジ時間 | 19,371 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 7 WA * 20 |
ソースコード
// yukicoder/1980/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))
// #define endl "\n"
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 E, size_t N> istream& operator >> (istream& is, array<E, N>& a) { for (auto& i: a) is >> i; return is; }
template<typename E, size_t N> ostream& operator << (ostream& os, array<E, N>& a) { os << "[]{"; for (auto& i: a) 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;
// constexpr lli mod = 998244353;
double S(double v, double t, double m)
{
return (v * t) + (v * v) / (20.0 * m);
}
int main(int argc, char *argv[])
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.setf(ios_base::fixed);
cout.precision(15);
int _;
cin >> _;
double t, u, l;
while (cin >> t >> u >> l) {
double small = 0;
double large = 600000000000;
const double x = 60.0 * 60.0 / 1000.0 * 100.0;
for (int _ = 0; _ < 100; ++_) {
double mid = (small + large) / 2.0;
if (S(mid / x, t, u) + 1e-7 <= l) small = mid;
else large = mid;
}
printf("%0.2lf\n", floor(small) / 100.0);
}
return 0;
}