CODE FESTIVAL 2016 Final (Parallel)

Submission #1046940

Source codeソースコード

#include <algorithm>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <deque>
#include <iomanip>
#include <iostream>
#include <limits>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <tuple>
#include <vector>

#define FOR(i,k,n) for (int (i)=(k); (i)<(n); ++(i))
#define rep(i,n) FOR(i,0,n)
#define pb push_back
#define all(v) begin(v), end(v)
#define debug(x) cerr<< #x <<": "<<x<<endl
#define debug2(x,y) cerr<< #x <<": "<< x <<", "<< #y <<": "<< y <<endl

using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vector<int> > vvi;
typedef vector<ll> vll;
typedef vector<vector<ll> > vvll;
template<class T> using vv=vector<vector< T > >;

ll po(ll x, ll n) {
  if (n == 0) {
    return 1;
  }
  ll x2 = po(x*x, n/2);
  if (n % 2 == 0) {
    return x2;
  } else {
    return x * x2;
  }
}

int main() {
  ll n, a;
  scanf("%lld %lld", &n, &a);
  vll ans(41, 0);
  ll ansmin = 1e15;
  rep (i, 41) {
    ll s = ceil(pow(n, (1.0 / (i+1))));
    ll maybig = po(s, i+1);
    int cnt = 0;
    while (true) {
      maybig = maybig / s * (s-1);
      if (maybig >= n) {
        cnt += 1;
      } else {
        break;
      }
    }
    ans[i] = a * i + s * (i+1) - cnt;
    ansmin = min(ansmin, ans[i]);
  }
  printf("%lld\n", ansmin);

  return 0;
}

Submission

Task問題 E - Cookies
User nameユーザ名 cyglef
Created time投稿日時
Language言語 C++14 (Clang 3.8.0)
Status状態 AC
Score得点 1000
Source lengthソースコード長 1536 Byte
File nameファイル名
Exec time実行時間 3 ms
Memory usageメモリ使用量 384 KB

Test case

Set

Set name Score得点 / Max score Cases
sample - sample-01.txt,sample-02.txt,sample-03.txt
dataset1 500 / 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 500 / 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01-01.txt AC 3 ms 256 KB
01-02.txt AC 3 ms 256 KB
01-03.txt AC 3 ms 256 KB
01-04.txt AC 3 ms 256 KB
01-05.txt AC 3 ms 256 KB
01-06.txt AC 3 ms 256 KB
01-07.txt AC 3 ms 256 KB
01-08.txt AC 3 ms 256 KB
01-09.txt AC 3 ms 256 KB
01-10.txt AC 3 ms 256 KB
01-11.txt AC 3 ms 256 KB
01-12.txt AC 3 ms 256 KB
01-13.txt AC 3 ms 256 KB
01-14.txt AC 3 ms 256 KB
01-15.txt AC 3 ms 256 KB
01-16.txt AC 3 ms 256 KB
01-17.txt AC 3 ms 256 KB
01-18.txt AC 3 ms 256 KB
01-19.txt AC 3 ms 256 KB
01-20.txt AC 3 ms 256 KB
01-21.txt AC 3 ms 256 KB
01-22.txt AC 3 ms 256 KB
01-23.txt AC 3 ms 384 KB
01-24.txt AC 3 ms 256 KB
01-25.txt AC 3 ms 256 KB
01-26.txt AC 3 ms 256 KB
02-01.txt AC 3 ms 256 KB
02-02.txt AC 3 ms 256 KB
02-03.txt AC 3 ms 256 KB
02-04.txt AC 3 ms 256 KB
02-05.txt AC 3 ms 256 KB
02-06.txt AC 3 ms 256 KB
02-07.txt AC 3 ms 256 KB
02-08.txt AC 3 ms 256 KB
02-09.txt AC 3 ms 256 KB
02-10.txt AC 3 ms 256 KB
02-11.txt AC 3 ms 256 KB
02-12.txt AC 3 ms 256 KB
02-13.txt AC 3 ms 256 KB
02-14.txt AC 3 ms 256 KB
02-15.txt AC 3 ms 256 KB
02-16.txt AC 3 ms 256 KB
02-17.txt AC 3 ms 256 KB
02-18.txt AC 3 ms 256 KB
02-19.txt AC 3 ms 256 KB
02-20.txt AC 3 ms 256 KB
02-21.txt AC 3 ms 256 KB
02-22.txt AC 3 ms 256 KB
02-23.txt AC 3 ms 256 KB
02-24.txt AC 3 ms 256 KB
02-25.txt AC 3 ms 256 KB
02-26.txt AC 3 ms 256 KB
02-27.txt AC 3 ms 256 KB
02-28.txt AC 3 ms 256 KB
02-29.txt AC 3 ms 256 KB
02-30.txt AC 3 ms 256 KB
02-31.txt AC 3 ms 256 KB
02-32.txt AC 3 ms 256 KB
02-33.txt AC 3 ms 256 KB
02-34.txt AC 3 ms 256 KB
02-35.txt AC 3 ms 256 KB
02-36.txt AC 3 ms 256 KB
02-37.txt AC 3 ms 256 KB
02-38.txt AC 3 ms 256 KB
02-39.txt AC 3 ms 256 KB
02-40.txt AC 3 ms 256 KB
sample-01.txt AC 3 ms 256 KB
sample-02.txt AC 3 ms 256 KB
sample-03.txt AC 3 ms 256 KB