Submission #480791

#	Time	Username	Problem	Language	Result	Execution time	Memory
480791		Rainbowbunny	비교 (balkan11_cmp)	C++17	100 / 100	1793 ms	96024 KiB

cmp

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

int a[] = {4, 16, 64, 256, 1024, 4096};

void remember(int n)
{
    int tmp = 0;
    for(int i = 10; i >= 0; i -= 2)
    {
        bit_set((n >> i) + tmp + 1);
        tmp += a[(10 - i) / 2];
    }
}

int compare(int b)
{
    int l = 0, r = 6;
    while(l < r)
    {
        int mid = (l + r) >> 1;
        int z = (5 - mid) * 2;
        int tmp = 0;
        for(int i = 10; i > z; i -= 2)
        {
            tmp += a[(10 - i) / 2];
        }
        if(bit_get((b >> z) + tmp + 1))
        {
            l = mid + 1;
        }
        else
        {
            r = mid;
        }
    }
    if(l == 6)
    {
        return 0;
    }
    else
    {
        int z = (5 - l) * 2;
        int tmp = 0;
        for(int i = 10; i > z; i -= 2)
        {
            tmp += a[(10 - i) / 2];
        }
        int ttt = (b >> z) & 3;
        if(ttt == 0)
        {
            return -1;
        }
        else if(ttt == 3)
        {
            return 1;
        }
        else if(ttt == 2)
        {

            if(bit_get((b >> z) + 2 + tmp))
            {
                return -1;
            }
            else
            {
                return 1;
            }
        }
        else if(ttt == 1)
        {
            if(bit_get((b >> z) + tmp))
            {
                return 1;
            }
            else
            {
                return -1;
            }
        }
    }
}

Compilation message (stderr)

cmp.cpp: In function 'int compare(int)':
cmp.cpp:83:1: warning: control reaches end of non-void function [-Wreturn-type]
   83 | }
      | ^

• Subtask 1: 100 / 100