結果
問題 | No.67 よくある棒を切る問題 (1) |
ユーザー | tancahn2380 |
提出日時 | 2018-03-28 20:44:46 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,809 bytes |
コンパイル時間 | 1,138 ms |
コンパイル使用メモリ | 103,012 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-25 13:17:36 |
合計ジャッジ時間 | 8,597 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 244 ms
6,812 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | AC | 214 ms
6,944 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | AC | 236 ms
6,940 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | AC | 186 ms
6,940 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | AC | 201 ms
6,944 KB |
testcase_16 | AC | 214 ms
6,940 KB |
testcase_17 | AC | 213 ms
6,944 KB |
testcase_18 | AC | 214 ms
6,944 KB |
testcase_19 | AC | 236 ms
6,940 KB |
testcase_20 | AC | 235 ms
6,944 KB |
testcase_21 | AC | 235 ms
6,940 KB |
testcase_22 | AC | 195 ms
6,940 KB |
testcase_23 | AC | 203 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,940 KB |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
ソースコード
# include <iostream> # include <algorithm> # include <vector> # include <string> # include <set> # include <map> # include <cmath> # include <iomanip> # include <functional> # include <utility> # include <stack> # include <queue> # include <list> # include <tuple> # include <unordered_map> # include <numeric> # include <complex> # include <bitset> # include <random> # include <chrono> using namespace std; using LL = long long; using ULL = unsigned long long; constexpr int INF = 2147483647; constexpr int HINF = INF / 2; constexpr double DINF = 100000000000000000.0; constexpr double HDINF = 50000000000000000.0; constexpr long long LINF = 9223372036854775807; constexpr long long HLINF = 4500000000000000000; const double PI = acos(-1); int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 }; template <typename T_char>T_char TL(T_char cX) { return tolower(cX); }; template <typename T_char>T_char TU(T_char cX) { return toupper(cX); }; # define ALL(x) (x).begin(),(x).end() # define UNIQ(c) (c).erase(unique(ALL((c))),(c).end()) # define LOWER(s) transform(ALL((s)),(s).begin(),TL<char>) # define UPPER(s) transform(ALL((s)),(s).begin(),TU<char>) # define mp make_pair # define eb emplace_back # define FOR(i,a,b) for(LL i=(a);i<(b);i++) # define RFOR(i,a,b) for(LL i=(a);i>=(b);i--) # define REP(i,n) FOR(i,0,n) # define INIT std::ios::sync_with_stdio(false);std::cin.tie(0) int n; double l[202020]; LL k; bool calc(double mid) { int cnt = 0; REP(i, n) { cnt += l[i] / mid; } return k <= cnt; } int main() { cin >> n; REP(i, n)cin >> l[i]; cin >> k; double left = 0, right = HDINF; REP(num, 100) { double mid = (left + right) / 2; if (calc(mid)) { left = mid; } else { right = mid; } } cout <<fixed<<setprecision(12)<<left << endl; }