結果

問題 No.67 よくある棒を切る問題 (1)
ユーザー akusyounin2412akusyounin2412
提出日時 2018-04-03 00:31:45
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
RE  
実行時間 -
コード長 1,837 bytes
コンパイル時間 1,313 ms
コンパイル使用メモリ 117,220 KB
実行使用メモリ 6,980 KB
最終ジャッジ日時 2024-06-26 06:54:55
合計ジャッジ時間 6,798 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
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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 RE -
testcase_01 AC 4 ms
6,144 KB
testcase_02 AC 82 ms
6,656 KB
testcase_03 RE -
testcase_04 WA -
testcase_05 WA -
testcase_06 WA -
testcase_07 RE -
testcase_08 RE -
testcase_09 RE -
testcase_10 WA -
testcase_11 RE -
testcase_12 RE -
testcase_13 RE -
testcase_14 RE -
testcase_15 RE -
testcase_16 WA -
testcase_17 WA -
testcase_18 RE -
testcase_19 RE -
testcase_20 RE -
testcase_21 RE -
testcase_22 RE -
testcase_23 WA -
testcase_24 AC 3 ms
5,888 KB
testcase_25 AC 7 ms
6,272 KB
testcase_26 AC 4 ms
6,016 KB
testcase_27 AC 4 ms
6,016 KB
testcase_28 AC 37 ms
6,272 KB
testcase_29 AC 21 ms
6,144 KB
testcase_30 AC 8 ms
6,272 KB
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ソースコード

diff #

# include <iostream>
# include <algorithm>
#include <array>
# include <cassert>
#include <cctype>
#include <climits>
#include <numeric>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <tuple>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <bitset>
# include <complex>
# include <chrono>
# include <random>
# include <limits.h>
# include <unordered_map>
# include <unordered_set>
# include <deque>
# include <cstdio>
# include <cstring>
#include <stdio.h>
#include <stdlib.h>
#include <cstdint>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr long long MOD = 1000000000 + 7;
constexpr long long INF = std::numeric_limits<long long>::max();
const double PI = acos(-1);
#define fir first
#define sec second
#define debug(x) cerr<<#x<<": "<<x<<'\n'
typedef pair<LL, LL> Pll;
typedef pair<LL, pair<LL, LL>> Ppll;
typedef pair<LL, pair<LL, bitset<100001>>> Pbll;
typedef pair<LL, pair<LL, vector<LL>>> Pvll;
typedef pair<LL, LL> Vec2;
struct Tll { LL first, second, third; };
typedef pair<LL, Tll> Ptll;
#define rep(i,rept) for(LL i=0;i<rept;i++)
#define Mfor(i,mf) for(LL i=mf-1;i>=0;i--)
LL h, w, n, m, k, s, t, q, sum, last, cnt, ans,a[100000];
string str;
struct Edge { LL to, cost; };
vector<Edge>vec[100010];
bool f;
char c;
void YN(bool f) {
	if (f)
		cout << "YES" << endl;
	else
		cout << "NO" << endl;
}
void yn(bool f) {
	if (f)
		cout << "Yes" << endl;
	else
		cout << "No" << endl;
}
int main() {
	cin >> n;
	rep(i, n)cin >> a[i];
	cin >> k;
	double l = 0, r = 1000000100;
	int i = 100;
	while (i > 0) {
		double mid = (l + r) / 2;
		LL ss = 0;
		rep(i, n)ss += a[i] / mid;
		if (ss < k)r = mid;
		else l = mid;
		i--;
	}
	printf("%.15f\n",  (l+r)/2);
	return 0;
}
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