Submission #895847

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
895847	2023-12-30 22:31:04	Macker	Hotter Colder (IOI10_hottercolder)	C++17	90 / 100	509 ms	8280 KiB

hottercolder

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
#include <bits/stdc++.h>
#include "grader.h"
 
using namespace std;
int HC(int N){
   int l = 1, r = N, mid;
   int ask = max(N  / 2, 1);
   Guess(ask);
   while(l < r){
      int nask = min(max(l + r - ask, r / 3 + 1), N - ((N - l)/3));
      if(nask == ask) nask++;
      if(nask > N) nask = N - (ask == N);
      mid = (ask + nask) / 2;
      int g = Guess(nask);
      if(ask > nask) g = -g;
      if(g == 1) l = mid + 1;
      else if(g == -1){
         if((ask + nask) % 2 == 0) r = mid - 1;
         else r = mid;
      } 
      else return (ask + nask) / 2;
      ask = nask;
   }
   return l;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 15 / 25