結果
問題 | No.253 ロウソクの長さ |
ユーザー | 小指が強い人 |
提出日時 | 2016-06-02 23:27:36 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 28 ms / 2,000 ms |
コード長 | 2,603 bytes |
コンパイル時間 | 2,636 ms |
コンパイル使用メモリ | 173,276 KB |
実行使用メモリ | 25,220 KB |
平均クエリ数 | 31.06 |
最終ジャッジ日時 | 2024-07-16 23:54:45 |
合計ジャッジ時間 | 4,950 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 28 ms
24,556 KB |
testcase_01 | AC | 26 ms
24,964 KB |
testcase_02 | AC | 24 ms
24,836 KB |
testcase_03 | AC | 24 ms
25,220 KB |
testcase_04 | AC | 24 ms
25,220 KB |
testcase_05 | AC | 27 ms
24,836 KB |
testcase_06 | AC | 23 ms
24,824 KB |
testcase_07 | AC | 25 ms
24,964 KB |
testcase_08 | AC | 24 ms
24,836 KB |
testcase_09 | AC | 25 ms
24,964 KB |
testcase_10 | AC | 24 ms
24,836 KB |
testcase_11 | AC | 25 ms
24,580 KB |
testcase_12 | AC | 25 ms
25,220 KB |
testcase_13 | AC | 25 ms
25,220 KB |
testcase_14 | AC | 24 ms
25,220 KB |
testcase_15 | AC | 25 ms
24,836 KB |
testcase_16 | AC | 23 ms
24,964 KB |
testcase_17 | AC | 23 ms
24,964 KB |
testcase_18 | AC | 24 ms
25,220 KB |
testcase_19 | AC | 23 ms
25,064 KB |
testcase_20 | AC | 25 ms
24,964 KB |
testcase_21 | AC | 24 ms
25,220 KB |
testcase_22 | AC | 24 ms
25,184 KB |
testcase_23 | AC | 24 ms
25,076 KB |
testcase_24 | AC | 26 ms
24,964 KB |
testcase_25 | AC | 25 ms
24,964 KB |
testcase_26 | AC | 26 ms
24,836 KB |
testcase_27 | AC | 25 ms
25,220 KB |
testcase_28 | AC | 25 ms
25,220 KB |
testcase_29 | AC | 25 ms
24,964 KB |
testcase_30 | AC | 25 ms
25,220 KB |
testcase_31 | AC | 25 ms
24,836 KB |
testcase_32 | AC | 26 ms
24,836 KB |
testcase_33 | AC | 25 ms
24,836 KB |
testcase_34 | AC | 26 ms
24,964 KB |
testcase_35 | AC | 26 ms
25,220 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> veci; typedef vector<string> vecs; template<class T,class U> using Hash=unordered_map<T,U>; #define REP(i, a, n) for(ll i = a; i < n; i++) #define RREP(i, a, n) for(ll i = n-1; i >= a; i--) #define rep(i, n) REP(i, 0, n) #define rrep(i, n) RREP(i, 0, n) #define MD 1000000007 template<class T> T read(){T a;cin >> a;return a;} template<class T> void read(T& a){cin >> a;} template<class T> void rarr(T a, int n){for(int i = 0; i < n; i++) {cin >> a[i];}} template<class T> void write(T a){cout << a << endl;} template<class T> void writes(vector<T> a, const char* c = " "){cout << a[0];for(int i = 1; i < (int)a.size(); i++)cout << c << a[i];cout << endl;;} void write(double a){cout << fixed << setprecision(12) << a << endl;} void write(long double a){cout << fixed << setprecision(12) << a << endl;} template<class T> void warr(T a, int n, const char* c = " "){cout << a[0];for(int i = 1; i < n; i++)cout << c << a[i];cout << endl;} void split(string s, string delim, veci& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(atoi(s.substr(pos).data()));break;}else {result.push_back(atoi(s.substr(pos, p - pos).data()));}pos = p + delim.size();}} void split(string s, string delim, vecs& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(s.substr(pos));break;}else {result.push_back(s.substr(pos, p - pos));}pos = p + delim.size();}} ll gcd(ll a, ll b){while(true){ll k = a % b;if(k == 0)return b;a = b;b = k;}} ll comb(ll n, ll m){ll p=1;m=min(m,n-m);for(ll i=1;i<=m;i++){p*=n-i+1;p/=i;}return p;} int len=-1; int ask(int Y){ cout << "? " << Y << endl; int res; cin >> res; len++; return res; } void answer(ll Y){ cout << "! " << Y << endl; } bool first_solve(ll n){ int res=ask(n); if(res==0){ answer(n); return true; } else if(res==-1){ while(ask(0)!=0); answer(len); return true; } return false; } int main(void) { ll low=80,high=1e9; if(first_solve(low))return 0; low--;high--; while(low<=high){ ll mid=(low+high)/2; int res=ask(mid); if(res==0){ answer(mid+len); return 0; } if(res==1) low=mid+1; else high=mid-1; low--; high--; } return 0; }