結果

問題 No.702 中央値を求めよ LIMITED
コンテスト
ユーザー tsutaj
提出日時 2018-06-15 22:45:54
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 1,724 bytes
コンパイル時間 765 ms
コンパイル使用メモリ 91,400 KB
最終ジャッジ日時 2025-01-01 23:24:29
合計ジャッジ時間 1,161 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。（リジャッジ後のコンパイルエラーは公開されます）
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
main.cpp:48:1: error: ‘uint32_t’ does not name a type
   48 | uint32_t x = 0, y = 1, z = 2, w = 3;
      | ^~~~~~~~
main.cpp:27:1: note: ‘uint32_t’ is defined in header ‘<cstdint>’; did you forget to ‘#include <cstdint>’?
   26 | #include <functional>
  +++ |+#include <cstdint>
   27 | using namespace std;
main.cpp:49:1: error: ‘uint32_t’ does not name a type
   49 | uint32_t generate() {
      | ^~~~~~~~
main.cpp:49:1: note: ‘uint32_t’ is defined in header ‘<cstdint>’; did you forget to ‘#include <cstdint>’?
main.cpp: In function ‘void reset()’:
main.cpp:59:5: error: ‘x’ was not declared in this scope; did you mean ‘dx’?
   59 |     x = seed, y = 1, z = 2, w = 3;
      |     ^
      |     dx
main.cpp:59:15: error: ‘y’ was not declared in this scope; did you mean ‘yn’?
   59 |     x = seed, y = 1, z = 2, w = 3;
      |               ^
      |               yn
main.cpp:59:22: error: ‘z’ was not declared in this scope
   59 |     x = seed, y = 1, z = 2, w = 3;
      |                      ^
main.cpp:59:29: error: ‘w’ was not declared in this scope
   59 |     x = seed, y = 1, z = 2, w = 3;
      |                             ^
main.cpp: In function ‘int main()’:
main.cpp:73:31: error: no matching function for call to ‘generate()’
   73 |             int val = generate();
      |                       ~~~~~~~~^~
In file included from /usr/include/c++/13/algorithm:61,
                 from main.cpp:14:
/usr/include/c++/13/bits/stl_algo.h:4434:5: note: candidate: ‘template<class _FIter, class _Generator> void std::generate(_FIter, _FIter, _Generator)’
 4434 |     generate(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_algo.h:4434:5: note:   template argument deduction/substitution failed:
main.cpp:73:31: note:   candidate expects 3 arguments, 0 provided
   73 |             int val = generate();
      |                       ~~~~~~~~^~

ソースコード

diff # 

// 基本テンプレート
 
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <string>
#include <cstring>
#include <deque>
#include <list>
#include <queue>
#include <stack>
#include <vector>
#include <utility>
#include <algorithm>
#include <map>
#include <set>
#include <complex>
#include <cmath>
#include <limits>
#include <cfloat>
#include <climits>
#include <ctime>
#include <cassert>
#include <numeric>
#include <fstream>
#include <functional>
using namespace std;
 
#define rep(i,a,n) for(int (i)=(a); (i)<(n); (i)++)
#define repq(i,a,n) for(int (i)=(a); (i)<=(n); (i)++)
#define repr(i,a,n) for(int (i)=(a); (i)>=(n); (i)--)
#define debug(...) fprintf(stderr, __VA_ARGS__)
#define int long long int
 
template<typename T> void chmax(T &a, T b) {a = max(a, b);}
template<typename T> void chmin(T &a, T b) {a = min(a, b);}
template<typename T> void chadd(T &a, T b) {a = a + b;}
 
typedef pair<int, int> pii;
typedef long long ll;
 
int dx[] = {0, 0, 1, -1};
int dy[] = {1, -1, 0, 0};
const ll INF = 1001001001001001LL;
const ll MOD = 1000000007LL;

ll seed;
uint32_t x = 0, y = 1, z = 2, w = 3;
uint32_t generate() { 
    uint32_t t = (x^(x<<11));
    x = y;
    y = z;
    z = w;
    w = (w ^ (w >> 19)) ^ (t ^ (t >> 8)); 
    return w;
}

void reset() {
    x = seed, y = 1, z = 2, w = 3;
}

const int N = 10000001;
signed main() {
    cin >> seed;
    int ub = 1LL << 40, lb = -1;

    while(ub - lb > 1) {
        int mid = (ub + lb) / 2;

        reset();
        int cnt = 0;
        for(int i=0; i<N; i++) {
            int val = generate();
            if(val <= mid) cnt++;
        }

        if(cnt < N / 2 + 1) lb = mid;
        else ub = mid; 
    }
    cout << ub << endl;
    return 0;
}
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