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답안 #288451

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
288451 2020-09-01T13:51:32 Z topovik Rack (eJOI19_rack) C++14
40 / 100
 1 ms 256 KB 
#include <bits/stdc++.h>

#define f first
#define s second
#define pb push_back
#define INF 1000000000

using namespace std;

typedef long long ll;
typedef long double ld;

const ll oo = 1e12;
const ll N = 1e6;

int main()
{
    ll n,k;
    cin>>n>>k;
    vector <ll> steps;
    for (ll i=0; i<n; i++)
    {
        if (!(k&1))
        {
            k>>=1;
            steps.pb(1);
        }
        else {steps.pb(0);k=(k+1)/2;}
    }
    ll ans=0;
    for (ll i=0; i<steps.size(); i++) ans=(ans*2+steps[i]);
    cout<<1+ans;
}

Compilation message

rack.cpp: In function 'int main()':
rack.cpp:31:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     for (ll i=0; i<steps.size(); i++) ans=(ans*2+steps[i]);
      |                  ~^~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct

Subtask #3
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Incorrect 0 ms 256 KB Output isn't correct
12 Halted 0 ms 0 KB -