Submission #1839957


Source Code Expand

# include <bits/stdc++.h>

# define pb push_back
# define fr first
# define sc second
# define mk make_pair
# define int long long

using namespace std;

const int inf = 1e9 + 7;
const int N = 1e7 + 5;

typedef long long ll;

int n, a, ans;

bool check(int x, int k)
{
      int mul = 1;
      for(int i = 1; i <= k; i ++)
      {
            mul *= x;
            if(mul >= n) return true;
      }
      return false;
}

main()
{
      cin >> n >> a;

      ans = n;

      for(int k = 2; k <= 41; k ++)
      {
            int res = a * (k - 1), l = 0, r = 1e12 + 1, mid;

            while(r - l > 1)
            {
                  int md = (l + r) >> 1;
                  if(check(md, k))
                        r = md;
                  else
                        l = md;
            }

            if(check(l, k)) r = l;

            for(int i = 0; i < k; i ++)
            {
                  int mul = 1, fl = 0;
                  for(int j = 1; j <= i; j ++)
                  {
                        mul *= (r - 1);
                        if(mul >= n) fl = 1;
                  }
                  for(int j = i + 1; j <= k; j ++)
                  {
                        mul *= r;
                        if(mul >= n) fl = 1;
                  }
                  if(fl) mid = i;
            }

            for(int i = 1; i <= mid; i ++)
                  res += (r - 1);
            for(int i = mid + 1; i <= k; i ++)
                  res += r;
            ans = min(ans, res);
      }

      cout << ans << endl;
}

Submission Info

Submission Time
Task E - Cookies
User vjudge2
Language C++14 (GCC 5.4.1)
Score 500
Code Size 1539 Byte
Status WA
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 500 / 500 0 / 500
Status
AC × 3
AC × 27
AC × 41
WA × 31
Set Name Test Cases
sample sample-01.txt, sample-02.txt, sample-03.txt
dataset1 sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt
dataset2 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt, sample-01.txt, sample-02.txt, sample-03.txt
Case Name Status Exec Time Memory
01-01.txt AC 1 ms 256 KB
01-02.txt AC 1 ms 256 KB
01-03.txt AC 1 ms 256 KB
01-04.txt AC 1 ms 256 KB
01-05.txt AC 1 ms 256 KB
01-06.txt AC 1 ms 256 KB
01-07.txt AC 1 ms 256 KB
01-08.txt AC 1 ms 256 KB
01-09.txt AC 1 ms 256 KB
01-10.txt AC 1 ms 256 KB
01-11.txt AC 1 ms 256 KB
01-12.txt AC 1 ms 256 KB
01-13.txt AC 1 ms 256 KB
01-14.txt AC 1 ms 256 KB
01-15.txt AC 1 ms 256 KB
01-16.txt AC 1 ms 256 KB
01-17.txt AC 1 ms 256 KB
01-18.txt AC 1 ms 256 KB
01-19.txt AC 1 ms 256 KB
01-20.txt AC 1 ms 256 KB
01-21.txt AC 1 ms 256 KB
01-22.txt AC 1 ms 256 KB
01-23.txt AC 1 ms 256 KB
01-24.txt AC 1 ms 256 KB
01-25.txt AC 1 ms 256 KB
01-26.txt AC 1 ms 256 KB
02-01.txt AC 1 ms 256 KB
02-02.txt WA 1 ms 256 KB
02-03.txt WA 1 ms 256 KB
02-04.txt WA 1 ms 256 KB
02-05.txt WA 1 ms 256 KB
02-06.txt WA 1 ms 256 KB
02-07.txt WA 1 ms 256 KB
02-08.txt WA 1 ms 256 KB
02-09.txt WA 1 ms 256 KB
02-10.txt WA 1 ms 256 KB
02-11.txt WA 1 ms 256 KB
02-12.txt WA 1 ms 256 KB
02-13.txt WA 1 ms 256 KB
02-14.txt WA 1 ms 256 KB
02-15.txt WA 1 ms 256 KB
02-16.txt WA 1 ms 256 KB
02-17.txt WA 1 ms 256 KB
02-18.txt WA 1 ms 256 KB
02-19.txt WA 1 ms 256 KB
02-20.txt WA 1 ms 256 KB
02-21.txt WA 1 ms 256 KB
02-22.txt WA 1 ms 256 KB
02-23.txt WA 1 ms 256 KB
02-24.txt AC 1 ms 256 KB
02-25.txt AC 1 ms 256 KB
02-26.txt AC 1 ms 256 KB
02-27.txt AC 1 ms 256 KB
02-28.txt AC 1 ms 256 KB
02-29.txt WA 1 ms 256 KB
02-30.txt AC 1 ms 256 KB
02-31.txt WA 1 ms 256 KB
02-32.txt AC 1 ms 256 KB
02-33.txt WA 1 ms 256 KB
02-34.txt AC 1 ms 256 KB
02-35.txt WA 1 ms 256 KB
02-36.txt WA 1 ms 256 KB
02-37.txt WA 1 ms 256 KB
02-38.txt WA 1 ms 256 KB
02-39.txt WA 1 ms 256 KB
02-40.txt WA 1 ms 256 KB
sample-01.txt AC 1 ms 256 KB
sample-02.txt AC 1 ms 256 KB
sample-03.txt AC 1 ms 256 KB