oj.uz

답안 #237733

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
237733 2020-06-08T13:23:54 Z Dynamic_Cast Rack (eJOI19_rack) C++14
40 / 100
 5 ms 384 KB 
//#include <bits/stdc++.h> C++11
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
#include <stdio.h>
#include <time.h>
#include <iomanip>
#include <stdlib.h>
#include <list>
#include <stack>
#include <queue>
#include <climits>
#include <map>
#include <set>
#include <sstream>
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef vector<int> vi;
#define PB push_back
#define MP make_pair
vi v;
int N;
ll sum = 1;
/*void result(int n, int s)
{
    int temp;
    if (n == 1)
    {
        temp = (1 + s) % 1000000007;
        v.PB(1 + s);
        temp = ll(pow(2, ll(N - 1)) + 1 + s) % 1000000007;
        v.PB(temp);
    }
    else
    {
        result(n - 1, s);
        result(n - 1, s + pow(2, N - n));
    }
}*/
ll result(int index, int n)
{
    index--;
    int c = n;
    for (ll s = 1; c >= 1; s = (2 * s) % 1000000007)
    {
        c--;
        if (c >= 60)
        {
            continue;
        }
        if ((index % ll(pow(ll(2), c + 1))) >= ll(pow(ll(2), c)))
        {
            sum = (sum + s) % 1000000007;
        }
    }
    return sum;
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    ll k;
    cin >> N >> k;
    cout << result(k, N) << "\n";
    /*result(N, 0);
    for(int i=0;i<int(v.size());i++){
        cout<<v[i]<<" ";
    }
    cout << v[k - 1] << "\n";*/
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct

Subtask #3
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Incorrect 4 ms 384 KB Output isn't correct
13 Halted 0 ms 0 KB -