제출 #566799

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
566799		Deepesson	cmp (balkan11_cmp)	C++17	46 / 100	4858 ms	104940 KiB

cmp

#include <bits/stdc++.h>
#include "cmp.h"

void bit_set(int addr);
int bit_get(int addr);

void remember(int n) {
    std::vector<int> vec;
    while(n){
        vec.push_back(n&1);
        n/=2;
    }
    while(vec.size()<12) vec.push_back(0);
    std::reverse(vec.begin(),vec.end());

    int base=1;
    for(int i=0;i!=vec.size();++i){
        base*=2;
        base+=vec[i];
        bit_set(base+1);
    }

}

int compare(int b) {
    std::vector<int> vec;
    while(b){
        vec.push_back(b&1);
        b/=2;
    }
    while(vec.size()<12) vec.push_back(0);
    std::reverse(vec.begin(),vec.end());

    int l=0,r=12;
    while(l<r){
        int m = (l+r+1)/2;
        int base=1;
        for(int i=0;i<m;++i){
            base*=2;
            base+=vec[i];
        }
        int x = bit_get(base+1);
        if(x){
            l=m;
        }else r=m-1;
    }
    ///Sao iguais
    if(l==12){
        return 0;
    }
    ///Eh maior
    if(vec[l]){
        return 1;
    }
    ///Eh menor
    return -1;
}

컴파일 시 표준 에러 (stderr) 메시지

cmp.cpp: In function 'void remember(int)':
cmp.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int i=0;i!=vec.size();++i){
      |                 ~^~~~~~~~~~~~

• Subtask 1: 46 / 100