Submission #993188


Source Code Expand

#include <algorithm>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <sstream>
#include <functional>
#include <map>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <list>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> P;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const ll INF = 1e17;
const ll mod = 1e9+7;
#define rep(i,n) for(int (i)=0;(i)<(ll)(n);++(i))
#define repd(i,n,d) for(ll (i)=0;(i)<(ll)(n);(i)+=(d))
#define all(v) (v).begin(), (v).end()
#define pb(x) push_back(x)
#define mp(x,y) make_pair((x),(y))
#define mset(m,v) memset((m),(v),sizeof(m))
#define chmin(X,Y) ((X)>(Y)?X=(Y),true:false)
#define chmax(X,Y) ((X)<(Y)?X=(Y),true:false)
#define fst first
#define snd second
#define UNIQUE(x) (x).erase(unique(all(x)),(x).end())
template<class T> ostream &operator<<(ostream &os, const vector<T> &v){int n=v.size();rep(i,n)os<<v[i]<<(i==n-1?"":" ");return os;}

map<ll, ll> dp;
ll n, a;

ll solve(ll k){
	if(dp.count(k)) return dp[k];
	ll res = INF;
	//ll lb = 2, ub = k; //[lb, ub]
	for(int i = 2, l = sqrt(k)+1; i <= l; i++){
		chmin(res, solve((k+i-1)/i)+a+i);
	}
	chmin(res, solve((k+k-1)/k)+a+k);
	return dp[k] = res;
}

int main(){
	cin>>n>>a;
	dp[1] = dp[0] = 0;
	if(n==1) cout<<1<<endl;
	else cout<<solve(n)-a<<endl;
	return 0;
}

Submission Info

Submission Time
Task E - Cookies
User Lepton
Language C++14 (GCC 5.4.1)
Score 500
Code Size 1554 Byte
Status TLE
Exec Time 2102 ms
Memory 4096 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 500 / 500 0 / 500
Status
AC × 2
TLE × 1
AC × 27
AC × 30
TLE × 39
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
Case Name Status Exec Time Memory
01-01.txt AC 11 ms 384 KB
01-02.txt AC 11 ms 384 KB
01-03.txt AC 11 ms 384 KB
01-04.txt AC 11 ms 384 KB
01-05.txt AC 11 ms 384 KB
01-06.txt AC 11 ms 384 KB
01-07.txt AC 11 ms 384 KB
01-08.txt AC 12 ms 384 KB
01-09.txt AC 13 ms 384 KB
01-10.txt AC 15 ms 384 KB
01-11.txt AC 15 ms 384 KB
01-12.txt AC 17 ms 384 KB
01-13.txt AC 17 ms 384 KB
01-14.txt AC 3 ms 256 KB
01-15.txt AC 8 ms 384 KB
01-16.txt AC 8 ms 384 KB
01-17.txt AC 11 ms 384 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 2 ms 256 KB
01-23.txt AC 3 ms 256 KB
01-24.txt AC 3 ms 256 KB
01-25.txt AC 3 ms 384 KB
01-26.txt AC 3 ms 256 KB
02-01.txt AC 3 ms 256 KB
02-02.txt TLE 2102 ms 4096 KB
02-03.txt TLE 2102 ms 4096 KB
02-04.txt TLE 2102 ms 4096 KB
02-05.txt TLE 2102 ms 4096 KB
02-06.txt TLE 2102 ms 4096 KB
02-07.txt TLE 2102 ms 4096 KB
02-08.txt TLE 2102 ms 4096 KB
02-09.txt TLE 2102 ms 4096 KB
02-10.txt TLE 2102 ms 4096 KB
02-11.txt TLE 2102 ms 4096 KB
02-12.txt TLE 2102 ms 4096 KB
02-13.txt TLE 2102 ms 4096 KB
02-14.txt TLE 2102 ms 3968 KB
02-15.txt TLE 2102 ms 3968 KB
02-16.txt TLE 2102 ms 3968 KB
02-17.txt TLE 2102 ms 3840 KB
02-18.txt TLE 2102 ms 3712 KB
02-19.txt TLE 2102 ms 3328 KB
02-20.txt TLE 2102 ms 3072 KB
02-21.txt TLE 2102 ms 3072 KB
02-22.txt TLE 2102 ms 2944 KB
02-23.txt TLE 2102 ms 2944 KB
02-24.txt TLE 2102 ms 2944 KB
02-25.txt AC 412 ms 1664 KB
02-26.txt TLE 2102 ms 4096 KB
02-27.txt TLE 2102 ms 4096 KB
02-28.txt TLE 2102 ms 4096 KB
02-29.txt TLE 2102 ms 4096 KB
02-30.txt TLE 2102 ms 4096 KB
02-31.txt TLE 2102 ms 4096 KB
02-32.txt TLE 2102 ms 4096 KB
02-33.txt TLE 2102 ms 4096 KB
02-34.txt TLE 2102 ms 4096 KB
02-35.txt TLE 2102 ms 4096 KB
02-36.txt TLE 2102 ms 3968 KB
02-37.txt TLE 2102 ms 3456 KB
02-38.txt TLE 2102 ms 3072 KB
02-39.txt TLE 2102 ms 2944 KB
02-40.txt TLE 2102 ms 2944 KB
sample-01.txt AC 3 ms 256 KB
sample-02.txt TLE 2102 ms 2944 KB
sample-03.txt AC 4 ms 256 KB