제출 #201743

#제출 시각아이디문제언어결과실행 시간메모리
201743Leonardo_PaesHotter Colder (IOI10_hottercolder)C++17
0 / 100
650 ms140340 KiB
#include "grader.h"

int HC(int n){
    int ini = 1, fim = n , meio, ans = -1;
        
    while(ini<=fim){
        meio = (ini + fim) >> 1;
        
        if(ini == fim){
            ans = meio;
            break;
        }
        
        Guess(ini);
        int a = Guess(fim);
        
        if(a == 0) return meio;
        else if(a == 1){
            ini = meio + 1;
        }
        else{
            fim = meio - 1 + (fim - ini)&1;
        }
    }

    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:22:28: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
             fim = meio - 1 + (fim - ini)&1;
                   ~~~~~~~~~^~~~~~~~~~~~~
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