제출 #231492

#제출 시각아이디문제언어결과실행 시간메모리
231492muhammad_hokimiyonHotter Colder (IOI10_hottercolder)C++14
0 / 100
773 ms22264 KiB
#include<bits/stdc++.h>
#include "grader.h"

using namespace std;

int HC(int nn)
{
    int Q = 0;
    int ls1 = 0;
    int ls2 = 0;
    int l = 1 , r = nn;
    while( l < r ){
        ls1 = ls2;
        int m = (l + r) / 2;
        if( l == 1 && r == 2 ){
            int x1 = Guess(1);
            int x2 = Guess(2);
            if( x2 == 1 )return 2;
            return 1;
        }
        int x1 = Guess(m - 1);
        ls2 = m - 1;
        if( x1 == -1 && m - 1 < ls1 ){
            l = m + 1;
            continue;
        }
        if( x1 == -1 && m - 1 > ls1 ){
            r = m - 1;
            continue;
        }
        ls2 = m + 1;
        int x2 = Guess(m + 1);
        if( x2 == 0 ){
            return m;
        }
        if( x2 == 1 )l = m + 1;
        else r = m - 1;
    }
    return l;
}

컴파일 시 표준 에러 (stderr) 메시지

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:16:17: warning: unused variable 'x1' [-Wunused-variable]
             int x1 = Guess(1);
                 ^~
hottercolder.cpp:8:9: warning: unused variable 'Q' [-Wunused-variable]
     int Q = 0;
         ^
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