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Submission #919663

# Submission time Handle Problem Language Result Execution time Memory
919663 2024-02-01T11:11:44 Z boris_mihov Hotter Colder (IOI10_hottercolder) C++17
77 / 100
 474 ms 8276 KB 
#include "grader.h"
#include <iostream>

int HC(int N)
{
    int l = 0, r = N + 1;
    while (l < r - 2)
    {
        int mid = (l + r) / 2;
        Guess(l + 1);
        int res = Guess(r - 1);
        if (res == 0) 
        {
            return mid;
        }

        if (r - l == 2)
        {
            return l + 1;
        }

        if (res == -1)
        {
            r = mid + ((l + r) % 2 == 1); 
        } else
        {
            l = mid;
        }
    }

    return l + 1;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 6744 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 6748 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 6744 KB Output is correct

Subtask #4
2.0 / 25.0

# Verdict Execution time Memory Grader output
1 Partially correct 474 ms 8276 KB Output is partially correct - alpha = 0.068965517241