Submission #5419881


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// warm heart, wagging tail,and a smile just for you!
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//                         ███████                           █████  ███████████████████
#include "bits/stdc++.h"
using namespace std;
#define MOD 1000000007
//#define MOD 998244353
const double EPS = 1e-9;
#define INF (1LL<<60)
#define D double
#define fs first
#define sc second
#define int long long
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define RFOR(i,a,b) for(int i = (b-1);i>=(a);i--)
#define REP(i,n)  FOR(i,0,(n))
#define RREP(i,n) RFOR(i,0,(n))
#define ITR(itr,mp) for(auto itr = (mp).begin(); itr != (mp).end(); ++itr)
#define RITR(itr,mp) for(auto itr = (mp).rbegin(); itr != (mp).rend(); ++itr)
#define range(i,a,b) ((a)<=(i) && (i)<(b))
#define debug(x)  cout << #x << " = " << (x) << endl;
#define SP << " " << 
typedef pair<int,int> P;
typedef vector<vector<P> > Graph;
typedef vector<int> vec;
typedef vector<vector<int>> mat;

int n,a;
int calc(int x){
  int cur = 0, cnt = 1, res = INF;
  while(1){
    if(cnt * x < n){
      cnt *= x;
      cur += x+a;
    }
    else{
      cur += n/cnt + (n%cnt>0);
      break;
    }
    res = min(res,cur+n/cnt+(n%cnt>0));
  }
  return min(res,cur);
}

signed main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  
  cin >> n >> a;

  int ans = n;
  for(int i = 2; i*i <= n; i++) ans = min(ans,calc(i));

  cout << ans << endl;

  return 0;
}

Submission Info

Submission Time
Task E - Cookies
User cinnamoroll
Language C++14 (GCC 5.4.1)
Score 0
Code Size 6094 Byte
Status
Exec Time 27 ms
Memory 256 KB

Judge Result

Set Name Score / Max Score Test Cases
sample 0 / 0 sample-01.txt, sample-02.txt, sample-03.txt
dataset1 0 / 500 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 0 / 500 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 1 ms 256 KB
01-02.txt 1 ms 256 KB
01-03.txt 1 ms 256 KB
01-04.txt 1 ms 256 KB
01-05.txt 1 ms 256 KB
01-06.txt 1 ms 256 KB
01-07.txt 1 ms 256 KB
01-08.txt 1 ms 256 KB
01-09.txt 1 ms 256 KB
01-10.txt 1 ms 256 KB
01-11.txt 1 ms 256 KB
01-12.txt 1 ms 256 KB
01-13.txt 1 ms 256 KB
01-14.txt 1 ms 256 KB
01-15.txt 1 ms 256 KB
01-16.txt 1 ms 256 KB
01-17.txt 1 ms 256 KB
01-18.txt 1 ms 256 KB
01-19.txt 1 ms 256 KB
01-20.txt 1 ms 256 KB
01-21.txt 1 ms 256 KB
01-22.txt 1 ms 256 KB
01-23.txt 1 ms 256 KB
01-24.txt 1 ms 256 KB
01-25.txt 1 ms 256 KB
01-26.txt 1 ms 256 KB
02-01.txt 1 ms 256 KB
02-02.txt 27 ms 256 KB
02-03.txt 27 ms 256 KB
02-04.txt 27 ms 256 KB
02-05.txt 27 ms 256 KB
02-06.txt 27 ms 256 KB
02-07.txt 27 ms 256 KB
02-08.txt 27 ms 256 KB
02-09.txt 27 ms 256 KB
02-10.txt 27 ms 256 KB
02-11.txt 27 ms 256 KB
02-12.txt 27 ms 256 KB
02-13.txt 27 ms 256 KB
02-14.txt 27 ms 256 KB
02-15.txt 27 ms 256 KB
02-16.txt 27 ms 256 KB
02-17.txt 27 ms 256 KB
02-18.txt 27 ms 256 KB
02-19.txt 27 ms 256 KB
02-20.txt 27 ms 256 KB
02-21.txt 27 ms 256 KB
02-22.txt 27 ms 256 KB
02-23.txt 27 ms 256 KB
02-24.txt 27 ms 256 KB
02-25.txt 1 ms 256 KB
02-26.txt 8 ms 256 KB
02-27.txt 8 ms 256 KB
02-28.txt 8 ms 256 KB
02-29.txt 23 ms 256 KB
02-30.txt 17 ms 256 KB
02-31.txt 21 ms 256 KB
02-32.txt 9 ms 256 KB
02-33.txt 26 ms 256 KB
02-34.txt 19 ms 256 KB
02-35.txt 26 ms 256 KB
02-36.txt 25 ms 256 KB
02-37.txt 21 ms 256 KB
02-38.txt 27 ms 256 KB
02-39.txt 27 ms 256 KB
02-40.txt 27 ms 256 KB
sample-01.txt 1 ms 256 KB
sample-02.txt 27 ms 256 KB
sample-03.txt 1 ms 256 KB