Submission #1074666

#	Time	Username	Problem	Language	Result	Execution time	Memory
1074666		DeathIsAwe	Hotter Colder (IOI10_hottercolder)	C++17	76.72 / 100	437 ms	8188 KiB

hottercolder

#include "grader.h"
#include <iostream>
#include <vector>
using namespace std;


int destroy(int top, int bottom, int previous) {
   //cout << top << ' ' << bottom << '\n';
   if (top - bottom == 0) {
      return top;
   } else if (top - bottom == 1) {
      int sussy, ans;
      if (previous == -1) {
         Guess(top); sussy = Guess(bottom);
      }
      if (sussy == 1) {
         ans = bottom;
      } else {
         ans = top;
      }
      return ans;
   }
   int mid = (top + bottom) / 2;
   int midleft = (bottom + mid) / 2;
   int midright = (mid + 1 + top) / 2;
   if (previous == -1) {
      int midleftans = Guess(midleft), midrightans = Guess(midright);
      if (midrightans == 0) {
         return (midleft + midright) / 2;
      } else  if (midrightans == 1) {
         return destroy(top, mid + 1, -1);
      } else {
         if ((midleft + midright) % 2 == 0) {
            return destroy(mid - 1, bottom, -1);
         }
         return destroy(mid, bottom, -1);
      }
   }
}


int HC(int n){
   int ans = destroy(n, 1, -1);
   return ans;
}

Compilation message (stderr)

hottercolder.cpp: In function 'int destroy(int, int, int)':
hottercolder.cpp:27:11: warning: unused variable 'midleftans' [-Wunused-variable]
   27 |       int midleftans = Guess(midleft), midrightans = Guess(midright);
      |           ^~~~~~~~~~
hottercolder.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type]
   39 | }
      | ^
hottercolder.cpp:16:7: warning: 'sussy' may be used uninitialized in this function [-Wmaybe-uninitialized]
   16 |       if (sussy == 1) {
      |       ^~

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 1.7241379300000002 / 25