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Submission #119549

# Submission time Handle Problem Language Result Execution time Memory
119549 2019-06-21T11:23:26 Z Plurm Hotter Colder (IOI10_hottercolder) C++11
0 / 100
 812 ms 24832 KB 
#include "grader.h"
int HC(int N){
    int lo = 1;
    int hi = N;
    while(hi - lo + 1 > 4){
        Guess(lo);
        int r = Guess(hi);
        if(r > 0){
            lo = (lo + hi)/2 + 1;
        }else if(r == 0){
            return (lo + hi)/2;
        }else{
            hi = (lo + hi)/2 - 1;
        }
    }
    int last = -1;
    for(int i = lo; i <= hi; i += 2){
        int cur = Guess(i);
        if(last == -1){
            last = cur;
            continue;
        }
        if(cur == -1) return i-2;
        if(cur == 0) return i-1;
        last = cur;
    }
    if((hi - lo) % 2 == 1){
        int cur = Guess(hi);
        if(cur == 1) return hi;
        else return hi-1;
    }
    return hi;
}

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 31 ms 3448 KB Output isn't correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 32 ms 3448 KB Output isn't correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 3448 KB Output isn't correct

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 812 ms 24832 KB Output isn't correct - alpha = 0.000000000000