結果
問題 | No.2461 一点張り |
ユーザー | cleasky |
提出日時 | 2023-09-11 00:14:08 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 5 ms / 2,000 ms |
コード長 | 3,928 bytes |
コンパイル時間 | 1,979 ms |
コンパイル使用メモリ | 200,564 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-28 14:51:24 |
合計ジャッジ時間 | 2,668 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 4 ms
5,376 KB |
testcase_02 | AC | 4 ms
5,376 KB |
testcase_03 | AC | 4 ms
5,376 KB |
testcase_04 | AC | 5 ms
5,376 KB |
testcase_05 | AC | 5 ms
5,376 KB |
testcase_06 | AC | 4 ms
5,376 KB |
testcase_07 | AC | 4 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; // clang-format off #ifndef NOMACROS #ifdef LOCAL #define debug(...) debug_internal(#__VA_ARGS__, __VA_ARGS__) template <class T, class... Args> void debug_internal(const char* s, T&& first, Args&&... args) { constexpr const char* open_brakets = sizeof...(args) == 0 ? "" : "("; constexpr const char* close_brakets = sizeof...(args) == 0 ? "" : ")"; cerr << open_brakets << s << close_brakets << ": " << open_brakets << std::forward<T>(first); ((cerr << ", " << std::forward<Args>(args)), ...); cerr << close_brakets << endl; } #else #define debug(x) static_assert(true, "") #endif // LOCAL #define GET_MACRO_5(_1, _2, _3, _4, _5, NAME, ...) NAME #define GET_MACRO_4(_1, _2, _3, _4, NAME, ...) NAME #define rep(...) GET_MACRO_5(__VA_ARGS__, rep5, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rrep(...) GET_MACRO_4(__VA_ARGS__, rrep4, rrep3, rrep2, rrep1)(__VA_ARGS__) #define rep1(n) rep2(_, n) #define rep2(i, n) rep3(i, 0, n) #define rep3(i, a, n) rep4(i, a, n, 1) #define rep4(i, a, n, d) rep5(i, a, n, d, <) #define rep5(i, a, n, d, o) for (auto i = remove_reference_t<decltype(n)>(a), _n = (n); i o _n; i += (d)) #define rrep1(n) rrep2(_, n) #define rrep2(i, n) rrep3(i, n, -1) #define rrep3(i, a, n) rrep4(i, a, n, 1) #define rrep4(i, a, n, d) rep5(i, a, n, -d, >) #define ALL(c) begin(c), end(c) #define RALL(c) rbegin(c), rend(c) #define SORT(v) sort(ALL(v)) #define RSORT(v) sort(RALL(v)) #define REV(v) reverse(ALL(v)) #define pb push_back using ld = long double; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; template <typename T> using vc = vector<T>; template <typename T> using vvc = vector<vc<T>>; using vb = vc<bool>; using vi = vc<int>; using vll = vc<ll>; using vpii = vc<pii>; using vpll = vc<pll>; using vs = vc<string>; using vvb = vvc<bool>; using vvi = vvc<int>; void YesNo(bool b) { cout << (b ? "Yes" : "No") << endl; } template <typename T> inline bool chmax(T &a, T b) { return (a < b) && (a = b, true); } template <typename T> inline bool chmin(T &a, T b) { return (a > b) && (a = b, true); } void _cin() {} template <class Head, class... Tail> void _cin(Head&& head, Tail&&... tail) { cin >> head; _cin(std::forward<Tail>(tail)...); } #define IN(Type, ...) Type __VA_ARGS__; _cin(__VA_ARGS__) #define INV(Type, xs, n) vector<Type> xs(n); rep(i, n) cin >> xs[i] #define INV2(Type, xs, ys, n) vector<Type> xs(n), ys(n); rep(i, n) cin >> xs[i] >> ys[i] #define INV3(Type, xs, ys, zs, n) vector<Type> xs(n), ys(n), zs(n); rep(i, n) cin >> xs[i] >> ys[i] >> zs[i] #define INVV(Type, xs, h, w) vector<vector<Type>> xs(h, vector<Type>(w)); rep(i, h) rep(j, w) cin >> xs[i][j] void OUT() { cout << endl; } template <class Head, class... Tail> void OUT(Head&& head, Tail&&... tail) { cout << head; if (sizeof...(tail) != 0) cout << endl; OUT(std::forward<Tail>(tail)...); } template <class Head, class... Tail> void OUTS(Head&& head, Tail&&... tail) { cout << head; if (sizeof...(tail) != 0) cout << " "; OUT(std::forward<Tail>(tail)...); } template <class Type> void OUT(vector<Type> &vec) { for (auto& a : vec) { cout << a; if (&a != &vec.back()) cout << endl; } } template <class Type> void OUTS(vector<Type> &vec) { for (auto& a : vec) { cout << a; if (&a != &vec.back()) cout << " "; } cout << endl; } template <class Type> void OUT(vector<vector<Type>> &df) { for (auto& vec : df) { OUT(vec); } } struct InitCppIo { InitCppIo() noexcept { cin.tie(nullptr); ios::sync_with_stdio(false); } } initCppIo; #endif // NOMACROS // clang-format on void solve() { IN(double, p); IN(int, K); ld ans; if (p == 0) { ans = (ld)K; } else { ans = (ld)(1 - pow(1 - p, K)) / p; } OUT(ans); return; } int main() { cout << fixed << setprecision(10); IN(int, T); while (T--) { solve(); } return 0; }