結果

問題 No.702 中央値を求めよ LIMITED
コンテスト
ユーザー firiexp
提出日時 2019-10-16 16:22:24
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 929 bytes
コンパイル時間 893 ms
コンパイル使用メモリ 85,068 KB
最終ジャッジ日時 2025-01-02 01:28:06
合計ジャッジ時間 1,664 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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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）
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コンパイルメッセージ
main.cpp:15:13: error: ‘uint32_t’ does not name a type
   15 | using u32 = uint32_t;
      |             ^~~~~~~~
main.cpp:12:1: note: ‘uint32_t’ is defined in header ‘<cstdint>’; did you forget to ‘#include <cstdint>’?
   11 | #include <cmath>
  +++ |+#include <cstdint>
   12 | 
main.cpp:20:1: error: ‘u32’ does not name a type
   20 | u32 x = 0, y = 1, z = 2, w = 3;
      | ^~~
main.cpp:21:1: error: ‘u32’ does not name a type
   21 | u32 generate() {
      | ^~~
main.cpp: In function ‘int main()’:
main.cpp:31:5: error: ‘u32’ was not declared in this scope
   31 |     u32 ng = 2140000000, ok = 2155000000;
      |     ^~~
main.cpp:32:8: error: expected ‘;’ before ‘seed’
   32 |     u32 seed; cin >> seed;
      |        ^~~~~
      |        ;
main.cpp:32:22: error: ‘seed’ was not declared in this scope
   32 |     u32 seed; cin >> seed;
      |                      ^~~~
main.cpp:33:11: error: ‘ok’ was not declared in this scope
   33 |     while(ok-ng > 1){
      |           ^~
main.cpp:33:14: error: ‘ng’ was not declared in this scope
   33 |     while(ok-ng > 1){
      |              ^~
main.cpp:35:9: error: ‘uint32_t’ was not declared in this scope
   35 |         uint32_t cnt = 0;
      |         ^~~~~~~~
main.cpp:35:9: note: ‘uint32_t’ is defined in header ‘<cstdint>’; did you forget to ‘#include <cstdint>’?
main.cpp:36:9: error: ‘x’ was not declared in this scope
   36 |         x = seed, y = 1, z = 2, w = 3;
      |         ^
main.cpp:36:19: error: ‘y’ was not declared in this scope; did you mean ‘yn’?
   36 |         x = seed, y = 1, z = 2, w = 3;
      |                   ^
      |                   yn
main.cpp:36:26: error: ‘z’ was not declared in this scope
   36 |         x = seed, y = 1, z = 2, w = 3;
      |                          ^
main.cpp:36:33: error: ‘w’ was not declared in this scope
   36 |         x = seed, y = 1, z = 2, w = 3;
      |

ソースコード

diff # 

#include <limits>
#include <iostream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using u32 = uint32_t;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;

u32 x = 0, y = 1, z = 2, w = 3;
u32 generate() {
    u32 t = (x^(x<<11));
    x = y;
    y = z;
    z = w;
    w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));
    return w;
}

int main() {
    u32 ng = 2140000000, ok = 2155000000;
    u32 seed; cin >> seed;
    while(ok-ng > 1){
        auto mid = ng + ((ok-ng)>>1);
        uint32_t cnt = 0;
        x = seed, y = 1, z = 2, w = 3;
        for (int i = 0; i < 10000001; ++i) {
            if(generate() <= mid) cnt++;
        }
        (cnt >= 5000001 ? ok : ng) = mid;
    }
    cout << ok << "\n";
    return 0;
}
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