Submission #1088089

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1088089	2024-09-13 20:31:16	StefanSebez	Hotter Colder (IOI10_hottercolder)	C++14	50 / 100	733 ms	24400 KiB

hottercolder

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#include "grader.h"
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
int HC(int n){
  //for(int i=1;i<=50;i++){for(int j=1;j<=i;j++) printf("%i %i\n",i,j);}
  int l=1,r=n,ct=0,res=0;
  vector<pair<int,int> >a;
  while(l<=r){
    //printf("%i %i\n",l,r);
    if(l==r){res=l;break;}
    int mid=l+r>>1;
    if(ct%2==0 || r-l<=3){
      a.pb({Guess(mid),mid});
      a.pb({Guess(mid+1),mid+1});
      if(a.back().fi==-1) r=mid;
      else l=mid+1;
    }
    else{
      if(a.back().se<=mid){
        int k=(r-l+1)/4;
        mid=l+3*k;
        //printf("%i\n",mid);
        a.pb({Guess(mid),mid});
        int sledeci=l+mid>>1;
        if(a.back().fi==1) l=sledeci;
 
 
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Compilation message (stderr)

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:16:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   16 |   int mid=l+r>>1;
      |           ~^~
hottercolder.cpp:29:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |     int sledeci=l+mid>>1;
      |                 ~^~~~
hottercolder.cpp:38:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |     int sledeci=mid+r+1>>1;
      |                 ~~~~~^~

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