結果
問題 | No.456 Millions of Submits! |
ユーザー | koyumeishi |
提出日時 | 2016-12-07 23:30:27 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 5,108 bytes |
コンパイル時間 | 1,042 ms |
コンパイル使用メモリ | 102,012 KB |
実行使用メモリ | 8,960 KB |
最終ジャッジ日時 | 2024-06-23 03:53:11 |
合計ジャッジ時間 | 11,410 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 3 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 4 ms
5,376 KB |
testcase_06 | AC | 4 ms
5,376 KB |
testcase_07 | AC | 17 ms
5,376 KB |
testcase_08 | AC | 18 ms
5,376 KB |
testcase_09 | AC | 168 ms
5,376 KB |
testcase_10 | AC | 163 ms
5,376 KB |
testcase_11 | AC | 1,627 ms
5,376 KB |
testcase_12 | TLE | - |
ソースコード
#include <iostream> #include <vector> #include <cstdio> #include <sstream> #include <map> #include <string> #include <algorithm> #include <queue> #include <cmath> #include <functional> #include <set> #include <ctime> #include <random> #include <chrono> #include <cassert> #include <tuple> #include <utility> using namespace std; namespace { using Integer = long long; //__int128; template<class T, class S> istream& operator >> (istream& is, pair<T,S>& p){return is >> p.first >> p.second;} template<class T> istream& operator >> (istream& is, vector<T>& vec){for(T& val: vec) is >> val; return is;} template<class T> istream& operator , (istream& is, T& val){ return is >> val;} template<class T, class S> ostream& operator << (ostream& os, const pair<T,S>& p){return os << p.first << " " << p.second;} template<class T> ostream& operator << (ostream& os, const vector<T>& vec){for(size_t i=0; i<vec.size(); i++) os << vec[i] << (i==vec.size()-1?"":" "); return os;} template<class T> ostream& operator , (ostream& os, const T& val){ return os << " " << val;} template<class H> void print(const H& head){ cout << head; } template<class H, class ... T> void print(const H& head, const T& ... tail){ cout << head << " "; print(tail...); } template<class ... T> void println(const T& ... values){ print(values...); cout << endl; } template<class H> void eprint(const H& head){ cerr << head; } template<class H, class ... T> void eprint(const H& head, const T& ... tail){ cerr << head << " "; eprint(tail...); } template<class ... T> void eprintln(const T& ... values){ eprint(values...); cerr << endl; } class range{ Integer start_, end_, step_; public: struct range_iterator{ Integer val, step_; range_iterator(Integer v, Integer step) : val(v), step_(step) {} Integer operator * (){return val;} void operator ++ (){val += step_;} bool operator != (range_iterator& x){return step_ > 0 ? val < x.val : val > x.val;} }; range(Integer len) : start_(0), end_(len), step_(1) {} range(Integer start, Integer end) : start_(start), end_(end), step_(1) {} range(Integer start, Integer end, Integer step) : start_(start), end_(end), step_(step) {} range_iterator begin(){ return range_iterator(start_, step_); } range_iterator end(){ return range_iterator( end_, step_); } }; inline string operator "" _s (const char* str, size_t size){ return move(string(str)); } constexpr Integer my_pow(Integer x, Integer k, Integer z=1){return k==0 ? z : k==1 ? z*x : (k&1) ? my_pow(x*x,k>>1,z*x) : my_pow(x*x,k>>1,z);} constexpr Integer my_pow_mod(Integer x, Integer k, Integer M, Integer z=1){return k==0 ? z%M : k==1 ? z*x%M : (k&1) ? my_pow_mod(x*x%M,k>>1,M,z*x%M) : my_pow_mod(x*x%M,k>>1,M,z);} constexpr unsigned long long operator "" _ten (unsigned long long value){ return my_pow(10,value); } inline int k_bit(Integer x, int k){return (x>>k)&1;} //0-indexed mt19937 mt(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()); template<class T> string join(const vector<T>& v, const string& sep){ stringstream ss; for(size_t i=0; i<v.size(); i++){ if(i>0) ss << sep; ss << v[i]; } return ss.str(); } inline string operator * (string s, int k){ string ret; while(k){ if(k&1) ret += s; s += s; k >>= 1; } return ret; } } constexpr long long mod = 9_ten + 7; double calc(long double a, long double b, long double t, long double init_x){ long double lgt = log(t); auto f = [&](long double x){ long double lgx = log(x); return a*lgx + b*log(lgx) - lgt; }; auto f_ = [&](long double x){ long double lgx = log(x); return (a*lgx + b) / (x*lgx); }; long double x = init_x; for(int t=0; t<25; t++){ x = x - f(x) / f_(x); } return x; } double calc2(long double a, long double t, long double init_x){ long double lgt = log(t); auto f = [&](long double x){ long double lgx = log(x); return a*lgx - lgt; }; auto f_ = [&](long double x){ return a/x; }; long double x = init_x; for(int t=0; t<25; t++){ x = x - f(x) / f_(x); } return x; } double calc3(long double b, long double t, long double init_x){ long double lgt = log(t); // auto f = [&](long double x){ // return b*log(log(x)) - lgt; // }; // auto f_ = [&](long double x){ // return b/(x*log(x)); // }; auto g = [&](long double x){ long double lgx = log(x); return x * lgx * (b * log(lgx) - lgt) / b; }; long double x = init_x; for(int t=0; t<20; t++){ x = x - g(x);//f(x) / f_(x); } return x; } int main(){ int n; scanf("%d", &n); while(n--){ double a,b,t; scanf("%lf%lf%lf", &a,&b,&t); long double x = 1.0001; double ans; if(b<0.1){ x = 5.0001; ans = calc2(a,t,x); while(isnan(ans)){ x *= 0.9; ans = calc2(a,t,x); } }else if(a<0.1){ x = 10.0001; ans = calc3(b,t,x); while(isnan(ans)){ x *= 0.9; ans = calc3(b,t,x); } }else{ ans = calc(a,b,t, x); } assert(isnan(ans) == false); printf("%.22f\n", ans); } return 0; }