Submission #1181002

#	Time	Username	Problem	Language	Result	Execution time	Memory
1181002		hamzabc	Hotter Colder (IOI10_hottercolder)	C++20	Compilation error	0 ms	0 KiB

hottercolder

#include "grader.h"

int HC(int N){
   int l = 1, r = N, gl = (l + r - 1) >> 1, gr = gl + 2, k = 0;
   Guess(gl);
   int d = Guess(gr);
   while (l != r){
      if (d == 0){
         return (gl + gr) >> 1;
      }else if (d == 1){
         if (k == 0){
            r = (gl + gr - 1) / 2;
            gl = max(l, l + r - gr);
            d = Guess(gl);
         }else{
            l = (gl + gr) / 2 + 1;
            gr = min(r, l + r - gl);
            d = Guess(gr);
         }
         k = 1 - k;
      }else{
         if (k == 0){
            l = (gl + gr) / 2 + 1;
            if (gr == gl + 2)
               gl = max(l, l + r - gr);
            else{
               gl = (l + r - 1) >> 1;
               gr = gl + 2;
               k = 1;
            }
         }else{
            r = (gl + gr - 1) / 2;
            if (gr == gl + 2)
               gr = min(r, l + r - gl);
            else{
               gl = (l + r - 1) >> 1;
               gr = gl + 2;
               k = 1;
            }
         }
         k = 1 - k;
      }
   }
   return l;
}

Compilation message (stderr)

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:13:18: error: 'max' was not declared in this scope
   13 |             gl = max(l, l + r - gr);
      |                  ^~~
hottercolder.cpp:17:18: error: 'min' was not declared in this scope
   17 |             gr = min(r, l + r - gl);
      |                  ^~~
hottercolder.cpp:25:21: error: 'max' was not declared in this scope
   25 |                gl = max(l, l + r - gr);
      |                     ^~~
hottercolder.cpp:34:21: error: 'min' was not declared in this scope
   34 |                gr = min(r, l + r - gl);
      |                     ^~~