제출 #224446

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
224446		jhnah917	Hotter Colder (IOI10_hottercolder)	C++14	77 / 100	713 ms	8196 KiB

hottercolder

#include "grader.h"
#include <bits/stdc++.h>
using namespace std;

int HC(int N){
    int l = 1, r = N;
    while(l < r){
        int m = l + r >> 1;
        int a = Guess(l), b = Guess(r);
        if(b == 1) l = m + 1;
        else if(b == -1) r = l + r - 1 >> 1;
        else return m;
    }
    return l;
}

컴파일 시 표준 에러 (stderr) 메시지

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:8:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         int m = l + r >> 1;
                 ~~^~~
hottercolder.cpp:11:36: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
         else if(b == -1) r = l + r - 1 >> 1;
                              ~~~~~~^~~
hottercolder.cpp:9:13: warning: unused variable 'a' [-Wunused-variable]
         int a = Guess(l), b = Guess(r);
             ^

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 2 / 25