結果
問題 | No.1187 皇帝ペンギン |
ユーザー | Series_205 |
提出日時 | 2020-08-22 13:33:18 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 25 ms / 1,000 ms |
コード長 | 3,082 bytes |
コンパイル時間 | 2,030 ms |
コンパイル使用メモリ | 201,828 KB |
実行使用メモリ | 25,452 KB |
平均クエリ数 | 16.48 |
最終ジャッジ日時 | 2024-07-17 06:11:03 |
合計ジャッジ時間 | 6,181 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 25 ms
24,556 KB |
testcase_01 | AC | 24 ms
24,940 KB |
testcase_02 | AC | 24 ms
24,940 KB |
testcase_03 | AC | 24 ms
24,940 KB |
testcase_04 | AC | 24 ms
24,556 KB |
testcase_05 | AC | 24 ms
24,940 KB |
testcase_06 | AC | 24 ms
24,556 KB |
testcase_07 | AC | 24 ms
25,196 KB |
testcase_08 | AC | 24 ms
25,196 KB |
testcase_09 | AC | 24 ms
25,196 KB |
testcase_10 | AC | 24 ms
24,812 KB |
testcase_11 | AC | 24 ms
24,836 KB |
testcase_12 | AC | 24 ms
25,196 KB |
testcase_13 | AC | 24 ms
24,940 KB |
testcase_14 | AC | 23 ms
25,452 KB |
testcase_15 | AC | 25 ms
24,940 KB |
testcase_16 | AC | 24 ms
24,556 KB |
testcase_17 | AC | 24 ms
24,940 KB |
testcase_18 | AC | 23 ms
24,940 KB |
testcase_19 | AC | 24 ms
24,940 KB |
testcase_20 | AC | 24 ms
24,940 KB |
testcase_21 | AC | 24 ms
24,940 KB |
testcase_22 | AC | 24 ms
24,940 KB |
testcase_23 | AC | 24 ms
24,940 KB |
testcase_24 | AC | 23 ms
24,812 KB |
testcase_25 | AC | 24 ms
24,556 KB |
testcase_26 | AC | 24 ms
24,556 KB |
testcase_27 | AC | 25 ms
24,556 KB |
testcase_28 | AC | 24 ms
25,196 KB |
testcase_29 | AC | 24 ms
25,196 KB |
testcase_30 | AC | 24 ms
24,940 KB |
testcase_31 | AC | 24 ms
24,808 KB |
testcase_32 | AC | 24 ms
24,952 KB |
testcase_33 | AC | 23 ms
25,208 KB |
testcase_34 | AC | 24 ms
24,952 KB |
testcase_35 | AC | 23 ms
24,824 KB |
testcase_36 | AC | 23 ms
24,568 KB |
testcase_37 | AC | 23 ms
24,568 KB |
testcase_38 | AC | 23 ms
24,952 KB |
testcase_39 | AC | 23 ms
25,208 KB |
testcase_40 | AC | 24 ms
24,568 KB |
testcase_41 | AC | 25 ms
24,824 KB |
testcase_42 | AC | 23 ms
25,220 KB |
testcase_43 | AC | 23 ms
24,836 KB |
testcase_44 | AC | 23 ms
24,836 KB |
testcase_45 | AC | 24 ms
25,220 KB |
testcase_46 | AC | 23 ms
24,952 KB |
testcase_47 | AC | 24 ms
25,196 KB |
testcase_48 | AC | 24 ms
24,940 KB |
testcase_49 | AC | 23 ms
24,940 KB |
testcase_50 | AC | 23 ms
24,556 KB |
testcase_51 | AC | 24 ms
25,196 KB |
testcase_52 | AC | 24 ms
24,568 KB |
testcase_53 | AC | 23 ms
24,812 KB |
ソースコード
#include <bits/stdc++.h> #define FOR(i, a, n) for(ll i = (ll)a; i < (ll)n; i++) #define FORR(i, n) for(ll i = (ll)n - 1LL; i >= 0LL; i--) #define rep(i, n) FOR(i, 0, n) #define ALL(x) begin(x), end(x) using namespace std; using ll = long long; constexpr ll Mod = 998244353; constexpr ll mod = 1e9 + 7; constexpr ll inf = 1LL << 60; const double PI = acos(-1); template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } /*-------------------------------------------*/ template <int M> class ModInt { int x; public: constexpr ModInt() : x(0) {} constexpr ModInt(int64_t y) : x(y >= 0 ? y % M : (M - (-y) % M) % M) {} constexpr ModInt &operator+=(const ModInt p) { if((x += p.x) >= M) x -= M; return *this; } constexpr ModInt &operator-=(const ModInt p) { if((x += M - p.x) >= M) x -= M; return *this; } constexpr ModInt &operator*=(const ModInt p) { x = (int)(1LL * x * p.x % M); return *this; } constexpr ModInt &operator/=(const ModInt p) { *this *= p.inverse(); return *this; } constexpr ModInt operator-() const { return ModInt(-x); } constexpr ModInt operator+(const ModInt p) const { return ModInt(*this) += p; } constexpr ModInt operator-(const ModInt p) const { return ModInt(*this) -= p; } constexpr ModInt operator*(const ModInt p) const { return ModInt(*this) *= p; } constexpr ModInt operator/(const ModInt p) const { return ModInt(*this) /= p; } constexpr bool operator==(const ModInt p) const { return x == p.x; } constexpr bool operator!=(const ModInt p) const { return x != p.x; } constexpr ModInt inverse() const { int a = x, b = M, u = 1, v = 0, t = 0; while(b > 0) { t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return ModInt(u); } constexpr ModInt pow(int64_t k) const { ModInt ret(1), mul(x); while(k > 0) { if(k & 1) ret *= mul; mul *= mul; k >>= 1; } return ret; } constexpr friend ostream &operator<<(ostream &os, const ModInt &p) { return os << p.x; } constexpr friend istream &operator>>(istream &is, ModInt &a) { int64_t t = 0; is >> t; a = ModInt(t); return (is); } }; using mint = ModInt<Mod>; char ans[10]; bool isSafe(int x) { cout << "? " << x << endl; cin >> ans; return ans[0] == 's'; } void answer(int x) { cout << "! " << x << endl; exit(0); } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int l = 0, r = 1000; while(l + 1 < r) { int mid = l + r >> 1; if(isSafe(mid)) l = mid; else if(isSafe(mid + 1)) l = mid + 1; else r = mid; } answer(l); return 0; }