Submission #556621

#	Time	Username	Problem	Language	Result	Execution time	Memory
556621		MohamedFaresNebili	Hotter Colder (IOI10_hottercolder)	C++14	25 / 100	549 ms	8100 KiB

hottercolder

#include <bits/stdc++.h>
#include "grader.h"
 
        using namespace std;
 
        using ll = long long;
        using ii = pair<ll, ll>;
        using vi = vector<int>;
 
        #define ff first
        #define ss second
        #define pb push_back
        #define all(x) (x).begin(), (x).end()
        #define lb lower_bound
        /// #define int ll
 
        const int oo = 1e9 + 7;
 
        int Guess(int v);
 
        int HC(int N) {
            int lo = 1, hi = N;
            while(lo <= hi) {
                int md = (lo + hi) / 2;
                int aa = Guess(lo);
                int bb = Guess(hi);
                if(bb == -1) hi = md;
                if(bb == 0) return md;
                if(bb == 1) lo = md + 1;
            }
            return hi;
        }

Compilation message (stderr)

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:25:21: warning: unused variable 'aa' [-Wunused-variable]
   25 |                 int aa = Guess(lo);
      |                     ^~

• Subtask 1: 25 / 25
• Subtask 2: 0 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25