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Submission #628371

# Submission time Handle Problem Language Result Execution time Memory
628371 2022-08-13T10:59:44 Z abcvuitunggio Hotter Colder (IOI10_hottercolder) C++17
50 / 100
 607 ms 8100 KB 
#include "grader.h"
#include <bits/stdc++.h>
using namespace std;
int HC(int N){
    int cnt=1,l=1,r=N,kq=N,val;
    int last=N;
    val=Guess(N);
    while (l<r){
        int mid=l+r-last;
      	mid=max(mid,1);
      	mid=min(mid,N);
        val=Guess(mid);
        cnt++;
        if (val==0){
            kq=(mid+last)/2;
            break;
        }
        if (val==1){
            if (last<mid)
                l=(last+mid+1)/2;
            else{
                r=(last+mid-1)/2;
                kq=r;
            }
            last=mid;
            continue;
        }
        if (last<mid){
            r=(last+mid-1)/2;
            kq=r;
        }
        else
            l=(last+mid+1)/2;
        last=mid;
    }
    return kq;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1236 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 1296 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 1236 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 607 ms 8100 KB Output isn't correct - alpha = 0.000000000000