#980631 (C++17) No.2753 鳩の巣原理

• 問題: No.2753 鳩の巣原理
• ユーザー: soto800
• 提出日時: 2024-05-10 22:05:23
• 言語: C++17 (gcc 13.3.0 + boost 1.87.0)
• 結果: WA
• 実行時間: -
• コード長: 3,612 bytes
• コンパイル時間: 1,569 ms
• コンパイル使用メモリ: 192,524 KB
• 最終ジャッジ日時: 2025-02-21 12:48:25
• ジャッジサーバーID （参考情報）: judge5 / judge4

ファイルパターン	結果
other	AC * 1 WA * 29

ソースコード

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#include <bits/stdc++.h>
//#include <atcoder/all>
using namespace std;
#define lli long long int
#define REP(i, s, n) for (lli i = s; i < n; i++)
#define INF (1LL << 62)
#define mp(a, b) make_pair(a, b)
#define SORT(V) sort(V.begin(), V.end())
#define PI (3.141592653589794)
#define TO_STRING(VariableName) #VariableName
#define LOG1(x)                                                                \
  if (DEBUG)                                                                   \
    cout << TO_STRING(x) << "=" << x << " " << endl;
#define LOG2(x, y)                                                             \
  if (DEBUG)                                                                   \
    cout << TO_STRING(x) << "=" << x << " " << TO_STRING(y) << "=" << y << endl;
#define LOG3(x, y, z)                                                          \
  if (DEBUG)                                                                   \
    cout << TO_STRING(x) << "=" << x << " " << TO_STRING(y) << "=" << y << " " \
         << TO_STRING(z) << "=" << z << endl;
#define LOG4(w, x, y, z)                                                       \
  if (DEBUG)                                                                   \
    cout << TO_STRING(w) << "=" << w << " " << TO_STRING(x) << "=" << x << " " \
         << TO_STRING(y) << "=" << y << " " << TO_STRING(z) << "=" << z        \
         << endl;
#define LOG5(w, x, y, z, a)                                                    \
  if (DEBUG)                                                                   \
    cout << TO_STRING(w) << "=" << w << " " << TO_STRING(x) << "=" << x << " " \
         << TO_STRING(y) << "=" << y << " " << TO_STRING(z) << "=" << z << " " \
         << TO_STRING(a) << "=" << a << endl;
#define LOG6(w, x, y, z, a, b)                                                 \
  if (DEBUG)                                                                   \
    cout << TO_STRING(w) << "=" << w << " " << TO_STRING(x) << "=" << x << " " \
         << TO_STRING(y) << "=" << y << " " << TO_STRING(z) << "=" << z << " " \
         << TO_STRING(a) << "=" << a << " " << TO_STRING(b) << "=" << b        \
         << endl;
#define overload6(a, b, c, d, e, f, g, ...) g
#define LOG(...)                                                               \
  overload6(__VA_ARGS__, LOG6, LOG5, LOG4, LOG3, LOG2, LOG1)(__VA_ARGS__)
template <class T> bool chmax(T &a, const T &b) {
  if (a < b) {
    a = b;
    return 1;
  }
  return 0;
}
template <class T> bool chmin(T &a, const T &b) {
  if (b < a) {
    a = b;
    return 1;
  }
  return 0;
}
mt19937 engine;
std::chrono::system_clock::time_point start, endTime;
#define DEBUG 0
lli query(lli x) {
  cout << "? " << x << endl;
  lli res;
  cin >> res;
  return res;
}
void solve() {
  //  write your code here
  lli N;
  cin >> N;
  lli small = 1;
  lli smallNum = 0;
  lli large = N;
  lli largeNum = N - 1;
  while (small + 1 < large) {
    lli middle = (small + large) / 2;
    auto ret = query(middle);
    lli smallDiff = ret - smallNum;
    lli largeDiff = largeNum - ret;
    if (smallDiff > largeDiff) {
      small = middle;
      smallNum = ret;
    } else {
      large = middle;
      largeNum = ret;
    }
  }
  cout << "Yes " << small << " " << large << endl;
}
// Generated by 2.13.0 https://github.com/kyuridenamida/atcoder-tools  (tips:
// You use the default template now. You can remove this line by using your
// custom template)
int main() {
  // Failed to predict input format
  lli N = 1;
  // cin >> N;
  while (N--)
    solve();
  return 0;
}
 
 
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