Submission #736940


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#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <climits>
#include <iostream>
#include <vector>
#include <string>
#include <sstream>
#include <algorithm>
#include <utility>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <functional>
#include <iomanip>

using namespace std;

#define int long long

typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;

#define fst first
#define scd second
#define PB push_back
#define MP make_pair
#define rep(i,x) for(int i=0;i<(x);++i)
#define rep1(i,x) for(int i=1;i<=(x);++i)
#define rrep(i,x) for(int i=(x)-1;i>=0;--i)
#define rrep1(i,x) for(int i=(x);i>=1;--i)
#define FOR(i,a,x) for(int i=(a);i<(x);++i)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()

#define omajinai ios::sync_with_stdio(false);cin.tie(0)

template<typename T>bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<typename T>bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<typename T>T get(){T a;cin>>a;return a;}
template<typename T>T rev(T a){reverse(all(a));return a;}
template<typename T>istream&operator>>(istream&is,vector<T>&vec){rep(i,vec.size())is>>vec[i];return is;}
template<typename T>vector<T>&sort(vector<T>&a){sort(all(a));return a;}

const int inf = 1e9;
const ll linf = 3e18;
const double eps = 1e-9;

typedef long double ld;

signed main()
{
    ld P; cin >> P;

    ld mi = linf;

    //// xについて二分探索
    //ld lb = 0, ub = 100;

    for (ld x = 0; x <= 100; x += 0.0001) {
        chmin(mi, (ld)x + P / pow(2, 1. * x / 1.5));
    }
    
    cout << fixed << setprecision(10) <<  mi << endl;
}

Submission Info

Submission Time
Task B - ムーアの法則
User Izryt
Language C++14 (GCC 5.4.1)
Score 100
Code Size 1788 Byte
Status
Exec Time 494 ms
Memory 256 KB

Judge Result

Set Name Score / Max Score Test Cases
Sample 0 / 0 sample_01.txt, sample_02.txt, sample_03.txt
All 100 / 100 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt
Case Name Status Exec Time Memory
01.txt 479 ms 256 KB
02.txt 478 ms 256 KB
03.txt 494 ms 256 KB
04.txt 480 ms 256 KB
05.txt 479 ms 256 KB
06.txt 477 ms 256 KB
07.txt 478 ms 256 KB
08.txt 478 ms 256 KB
09.txt 480 ms 256 KB
10.txt 478 ms 256 KB
11.txt 480 ms 256 KB
12.txt 488 ms 256 KB
13.txt 491 ms 256 KB
14.txt 479 ms 256 KB
15.txt 484 ms 256 KB
16.txt 487 ms 256 KB
17.txt 486 ms 256 KB
18.txt 478 ms 256 KB
19.txt 480 ms 256 KB
20.txt 478 ms 256 KB
21.txt 480 ms 256 KB
22.txt 478 ms 256 KB
23.txt 478 ms 256 KB
24.txt 481 ms 256 KB
25.txt 478 ms 256 KB
sample_01.txt 478 ms 256 KB
sample_02.txt 480 ms 256 KB
sample_03.txt 477 ms 256 KB