제출 #1097237

#제출 시각아이디문제언어결과실행 시간메모리
1097237vjudge1Rack (eJOI19_rack)C++17
40 / 100
0 ms348 KiB
#include <bits/stdc++.h>
using namespace std;
#define ll long long int

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(0);
    ll n,k;
    cin >> k>>n;
    vector<ll>a(k,0);
    n--;
    ll i =0 ;
    while(n>0){
      a[i]=n%2;
      n/=2;
      i++;
    }reverse(a.begin(),a.end());
    ll x = 0;
    ll act = 1;
    for(ll i=0;i<a.size();i++){
      x+=act*a[i];
      act*=2;
    }cout << x+1 << endl;
  
  return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

rack.cpp: In function 'int main()':
rack.cpp:20:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(ll i=0;i<a.size();i++){
      |                ~^~~~~~~~~
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