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Submission #252314

# Submission time Handle Problem Language Result Execution time Memory
252314 2020-07-25T08:54:24 Z SamAnd Hotter Colder (IOI10_hottercolder) C++17
77 / 100
 841 ms 8168 KB 
#include "grader.h"
#include <cassert>

int HC(int N)
{
    int n = N;
    int l = 1, r = n;
    while (l <= r)
    {
        if (l == r)
            return l;
        int m = (l + r) / 2;
        Guess(l);
        int u = Guess(r);
        if (u == 0)
        {
            return m;
        }
        if ((r - l + 1) % 2 == 1)
        {
            if (u == 1)
                l = m + 1;
            else
                r = m - 1;
        }
        else
        {
            if (u == 1)
                l = m + 1;
            else
                r = m;
        }
    }
    assert(false);
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 1408 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 1280 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 1280 KB Output is correct

Subtask #4
2.0 / 25.0

# Verdict Execution time Memory Grader output
1 Partially correct 841 ms 8168 KB Output is partially correct - alpha = 0.068965517241