結果

問題 No.761 平均値ゲーム
ユーザー jelljell
提出日時 2018-12-10 12:43:48
言語 C++14
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 32 ms / 2,000 ms
コード長 5,124 bytes
コンパイル時間 978 ms
コンパイル使用メモリ 111,964 KB
実行使用メモリ 7,280 KB
最終ジャッジ日時 2023-10-14 22:08:21
合計ジャッジ時間 6,327 ms
ジャッジサーバーID
(参考情報)
judge12 / judge15
このコードへのチャレンジ(β)

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
5,660 KB
testcase_01 AC 2 ms
5,484 KB
testcase_02 AC 2 ms
5,564 KB
testcase_03 AC 2 ms
5,516 KB
testcase_04 AC 2 ms
5,584 KB
testcase_05 AC 2 ms
5,492 KB
testcase_06 AC 2 ms
5,632 KB
testcase_07 AC 2 ms
5,488 KB
testcase_08 AC 2 ms
5,496 KB
testcase_09 AC 2 ms
5,484 KB
testcase_10 AC 2 ms
5,464 KB
testcase_11 AC 2 ms
5,516 KB
testcase_12 AC 2 ms
5,496 KB
testcase_13 AC 2 ms
5,592 KB
testcase_14 AC 2 ms
5,484 KB
testcase_15 AC 2 ms
5,660 KB
testcase_16 AC 2 ms
5,604 KB
testcase_17 AC 2 ms
5,632 KB
testcase_18 AC 2 ms
5,644 KB
testcase_19 AC 2 ms
5,488 KB
testcase_20 AC 2 ms
5,548 KB
testcase_21 AC 2 ms
5,492 KB
testcase_22 AC 2 ms
5,572 KB
testcase_23 AC 2 ms
5,672 KB
testcase_24 AC 2 ms
5,492 KB
testcase_25 AC 2 ms
5,600 KB
testcase_26 AC 2 ms
5,484 KB
testcase_27 AC 3 ms
5,584 KB
testcase_28 AC 2 ms
5,724 KB
testcase_29 AC 2 ms
5,560 KB
testcase_30 AC 2 ms
5,600 KB
testcase_31 AC 2 ms
5,484 KB
testcase_32 AC 2 ms
5,592 KB
testcase_33 AC 24 ms
6,624 KB
testcase_34 AC 27 ms
6,904 KB
testcase_35 AC 4 ms
5,644 KB
testcase_36 AC 16 ms
6,292 KB
testcase_37 AC 23 ms
6,660 KB
testcase_38 AC 23 ms
6,580 KB
testcase_39 AC 28 ms
6,968 KB
testcase_40 AC 28 ms
6,900 KB
testcase_41 AC 26 ms
6,828 KB
testcase_42 AC 29 ms
7,060 KB
testcase_43 AC 6 ms
5,876 KB
testcase_44 AC 19 ms
6,476 KB
testcase_45 AC 25 ms
6,796 KB
testcase_46 AC 14 ms
6,152 KB
testcase_47 AC 15 ms
6,172 KB
testcase_48 AC 3 ms
5,640 KB
testcase_49 AC 29 ms
6,984 KB
testcase_50 AC 5 ms
5,748 KB
testcase_51 AC 4 ms
5,592 KB
testcase_52 AC 4 ms
5,640 KB
testcase_53 AC 29 ms
6,884 KB
testcase_54 AC 17 ms
6,300 KB
testcase_55 AC 29 ms
6,892 KB
testcase_56 AC 10 ms
5,908 KB
testcase_57 AC 29 ms
7,072 KB
testcase_58 AC 6 ms
5,800 KB
testcase_59 AC 27 ms
6,812 KB
testcase_60 AC 10 ms
5,968 KB
testcase_61 AC 31 ms
6,988 KB
testcase_62 AC 29 ms
6,904 KB
testcase_63 AC 8 ms
5,776 KB
testcase_64 AC 26 ms
6,728 KB
testcase_65 AC 12 ms
6,008 KB
testcase_66 AC 4 ms
5,588 KB
testcase_67 AC 10 ms
5,956 KB
testcase_68 AC 5 ms
5,908 KB
testcase_69 AC 23 ms
6,696 KB
testcase_70 AC 16 ms
6,268 KB
testcase_71 AC 8 ms
5,792 KB
testcase_72 AC 5 ms
5,772 KB
testcase_73 AC 11 ms
6,116 KB
testcase_74 AC 8 ms
5,760 KB
testcase_75 AC 15 ms
6,144 KB
testcase_76 AC 10 ms
6,068 KB
testcase_77 AC 23 ms
6,624 KB
testcase_78 AC 16 ms
6,224 KB
testcase_79 AC 7 ms
5,788 KB
testcase_80 AC 6 ms
5,720 KB
testcase_81 AC 6 ms
5,724 KB
testcase_82 AC 19 ms
6,552 KB
testcase_83 AC 32 ms
7,228 KB
testcase_84 AC 32 ms
7,084 KB
testcase_85 AC 32 ms
7,168 KB
testcase_86 AC 32 ms
7,164 KB
testcase_87 AC 32 ms
7,160 KB
testcase_88 AC 32 ms
7,060 KB
testcase_89 AC 32 ms
7,164 KB
testcase_90 AC 32 ms
7,280 KB
testcase_91 AC 32 ms
7,068 KB
testcase_92 AC 32 ms
7,084 KB
testcase_93 AC 2 ms
5,632 KB
testcase_94 AC 2 ms
5,524 KB
testcase_95 AC 27 ms
7,048 KB
testcase_96 AC 29 ms
7,052 KB
testcase_97 AC 29 ms
7,136 KB
testcase_98 AC 25 ms
7,048 KB
testcase_99 AC 31 ms
7,168 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp:125:26: 警告: use of ‘auto’ in parameter declaration only available with ‘-std=c++20’ or ‘-fconcepts’
  125 | i64 bins(i64 ok, i64 ng, auto judge) {
      |                          ^~~~

ソースコード

diff #

#include <deque>
#include <queue>
#include <stack>
#include <algorithm>
#include <iostream>
#include <set>
#include <map>
#include <list>
#include <cmath>
#include <functional>
#include <random>
#include <unordered_map>
#include <unordered_set>
#include <bitset>
#include <iomanip>
#include <complex>
 
using namespace std;
typedef int64_t i64;
typedef double db;
typedef vector<vector<int64_t>> mat;
typedef pair<int,int> pii;
typedef pair<int64_t,int> pli;
typedef pair<db,int> pdi;
 
#define esc(x) cout << (x) << endl,exit(0)
#define inf(T) (numeric_limits<T>::max() / 2 - 1)
#define each(i,v) for(auto i = begin(v); i != end(v); ++i)
#define reach(i,v) for(auto i = rbegin(v); i != rend(v); ++i)
#define urep(i,s,t) for(int64_t i = (s); i <= (t); ++i)
#define drep(i,s,t) for(int64_t i = (s); i >= (t); --i)
#define rep(i,n) urep(i,0,(n) - 1)
#define rep1(i,n) urep(i,1,(n))
#define rrep(i,n) drep(i,(n) - 1,0)
#define all(v) begin(v),end(v)
#define rall(v) rbegin(v),rend(v)
#define vct vector
#define prque priority_queue
#define u_map unordered_map
#define u_set unordered_set
#define l_bnd lower_bound
#define u_bnd upper_bound
#define rsz resize
#define ers erase
#define emp emplace
#define emf emplace_front
#define emb emplace_back
#define pof pop_front
#define pob pop_back
#define mkp make_pair
#define mkt make_tuple
#define fir first
#define sec second
 
struct setupper {
    setupper(uint8_t prec) {
        cin.tie(0);
        ios::sync_with_stdio(false);
        cout << fixed << setprecision(prec);
        #ifdef Local
        #define debug 1
        #define print(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl
        cout << "-- Execution At Local ---\n" << "\n<Standard Output>\n\n";
        auto print_atexit = []() {
            time_t end_time = time(NULL);
            struct tm *ret = localtime(&end_time);
            cout << "\n----------------\n";
            cout << "\nSuccessfully Executed At " << (ret -> tm_hour) << ":" << (ret -> tm_min) << ":" << (ret -> tm_sec) << "\n\n";
        };
        atexit(print_atexit);
        #endif
    }
} setupper_obj(10);
 
template <class T, class U> ostream& operator << (ostream &s, pair<T,U> p) { return s << p.fir << " " << p.sec; }
template <class T> ostream& operator << (ostream &s, vector<T> &v) { for(auto i = v.begin(); i != v.end(); ++i) { if(i != begin(v)) s << " "; s << *i; } return s; }
 
template <class T> void hash_combine(size_t &seed, T const &key) {
    hash<T> hasher;
    seed ^= hasher(key) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
}
namespace std {
    template <class T, class U> struct hash<pair<T,U>> {
        size_t operator()(pair<T,U> const &p) const {
            size_t seed(0);
            hash_combine(seed,p.first);
            hash_combine(seed,p.second);
            return seed;
        }
    };
    template <class T, class U, class V> struct hash<tuple<T,U,V>> {
        size_t operator()(tuple<T,U,V> const &t) const {
            size_t seed(0);
            hash_combine(seed,get<0>(t));
            hash_combine(seed,get<1>(t));
            hash_combine(seed,get<2>(t));
            return seed;
        }
    };
}
 
const auto add = [](auto &x, auto y) { x += y; };
const auto mul = [](auto &x, auto y) { x *= y; };
const auto lam_min = [](auto x, auto y) { return min(x,y); };
const auto lam_max = [](auto x, auto y) { return max(x,y); };
bool odd(i64 x) { return x & 1; }
bool even(i64 x) { return !odd(x); }
bool parity(i64 x, i64 y) { return odd(x) ^ even(y); }
bool bit(i64 n, uint8_t e) { return n >> e & 1; }
i64 mask(i64 n, uint8_t e) { return n & (1 << e) - 1; };
int ilog(i64 x, uint64_t b) { if(x) return ilog(x / b,b) + 1; return -1; }
i64 qceil(i64 x, i64 y) { return x > 0 ? (x - 1) / y + 1 :  x / y; }
i64 gcd(i64 a, i64 b) { if(!b) return abs(a); return gcd(b, a % b); }
i64 lcm(i64 a, i64 b) { if(a | b) return abs(a / gcd(a, b) * b); return 0; }
i64 extgcd(i64 a, i64 b, i64 &x, i64 &y) {
    i64 d = a;
    if(b) {
        d = extgcd(b,a % b,y,x);
        y -= (a / b) * x;
    } else {
        x = 1,y = 0;
    }
    return d;
}
i64 bins(i64 ok, i64 ng, auto judge) {
    while(abs(ok - ng) > 1) {
        i64 mid = ok + ng >> 1;
        (judge(mid) ? ok : ng) = mid;
    }
    return ok;
}
template <class T, class U> bool chmax(T& m, U x) { if(m < x) { m = x; return 1; } return 0; }
template <class T, class U> bool chmin(T& m, U x) { if(m > x) { m = x; return 1; } return 0; }
template <class T> T cmprs(T &v) {
    T tmp = v,ret = v;
    sort(all(tmp));
    tmp.erase(unique(all(tmp)),end(tmp));
    each(i,ret) *i = l_bnd(all(tmp),*i) - begin(tmp) + 1;
    return ret;
}
 
const int dx[9] = {1,0,-1,0,1,-1,-1,1,0},dy[9] = {0,1,0,-1,1,1,-1,-1,0};
const i64 mod = 1e9 + 7;
const db gold = (sqrt(5.0) + 1.0) * 0.5;
const db eps = 1e-15;

int n;
long double a[1<<17],s[1<<17];

bool solve(int l,int r) {
	long double ave=(s[r]-s[l])/(r-l);
	int p=l_bnd(a+l,a+r,ave)-a;
	if(p==l) return true;
	return !solve(l,p) | !solve(p,r);
}

int main() {
	cin>>n;
	rep(i,n) cin>>a[i];
	rep(i,n) s[i+1]=s[i]+a[i];
	if(solve(0,n)) cout<<"First\n";
	else cout<<"Second\n";
}
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