結果
問題 | No.133 カードゲーム |
ユーザー | apprec |
提出日時 | 2020-04-25 20:51:09 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 3,050 bytes |
コンパイル時間 | 1,735 ms |
コンパイル使用メモリ | 176,680 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-07 19:45:30 |
合計ジャッジ時間 | 2,566 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
ソースコード
#include <bits/stdc++.h> #include <regex> #ifdef _DEBUG #include "debug.h" #endif //#define int ll #define float double #define FOR(i, s, e) for (int i = int(s); i < int(e); ++i) #define REP(i, e) FOR(i, 0, e) #define all(v) (v).begin(),(v).end() #define mkpr make_pair #define mktp make_tuple #define tv(tp, i) get<(i)>(tp) #define CLEAR(obj) obj = decltype(obj)() #define var auto #define OUT(type) type & #define IN(type) const type & #define self (*this) #define in : #define True true #define False false using namespace std; using int32 = int32_t; using ll = long long; using ull = unsigned long long; using vi = vector<int>; using vvi = vector<vi>; using vl = vector<ll>; using vvl = vector<vl>; using vb = vector<bool>; using vvb = vector<vb>; using vc = vector<char>; using vvc = vector<vc>; using vf = vector<float>; using vvf = vector<vf>; using vd = vector<double>; using vvd = vector<vd>; using str = string; using vs = vector<string>; using pii = pair<int, int>; using pll = pair<ll, ll>; using pff = pair<float, float>; using pdd = pair<double, double>; using psl = pair<string, ll>; using tiii = tuple<int, int, int>; using tlll = tuple<ll, ll, ll>; static const int MGN = 10; static const int ARYSZ_MAX = (int)1e7; static const ll LINF = LLONG_MAX/2; #ifdef int static const int INF = LINF; #else static const int INF = INT_MAX/2; #endif static double EPS = 1e-9; #define FASTCIN() cin.tie(0);ios::sync_with_stdio(false); #ifdef IMPORT_SAMPLE #define DEBUG_IMPORT(file) vs args(argv, argv+argc);str sample = make_sample(args, file);ifstream ifs(sample); cin.rdbuf(ifs.rdbuf()); #else #define DEBUG_IMPORT(file) #endif static inline int ord(char c) {return (int)c;} static inline char chr(int n) {return (char)n;} static inline bool DBLEQ(double a, double b) {return abs(a - b) < EPS;} static inline void EPR(str msg) {cerr << msg << endl;} static inline void AST(bool exp, str msg) {if(!exp){EPR(msg);} assert(exp);} static inline void TAST(bool exp, str msg) {if(!exp){EPR(msg);} while(!exp){}} void permutation(OUT(vvi) perm, IN(vi) A){ vi a = A; sort(a.begin(), a.end()); do { vi pt; for (int i : a) pt.push_back(i); perm.push_back(pt); } while (next_permutation(a.begin(), a.end())); } int32 main(int32 argc, char* argv[]) { FASTCIN(); DEBUG_IMPORT("sample-1"); int N; cin>>N; vi A(N); REP(i,N) cin>>A[i]; vi B(N); REP(i,N) cin>>B[i]; vvi permA; permutation(permA, A); vvi permB; permutation(permB, B); int all = permA.size() * permB.size(); //EPR("all: " + to_string(all)); int winA = 0; for (vi pa in permA) { for (vi pb in permB) { int wa = 0, wb = 0; REP(i,N) if (pa[i] > pb[i]) wa += 1; else if (pa[i] < pb[i]) wb += 1; if (wa > wb) winA += 1; } } //EPR("winA: " + to_string(winA)); double ans = winA/(double)all; //cout << ans << endl; printf("%.6lf", ans); return 0; }