Submission #1799449


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
typedef pair<int,P> P1;
typedef pair<P,P> P2;
#define pu push
#define pb push_back
#define mp make_pair
#define eps 1e-7
#define INF 1000000000
#define mod 1000000007
#define fi first
#define sc second
#define rep(i,x) for(int i=0;i<x;i++)
#define repn(i,x) for(int i=1;i<=x;i++)
#define SORT(x) sort(x.begin(),x.end())
#define ERASE(x) x.erase(unique(x.begin(),x.end()),x.end())
#define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin())
#define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin())
ll n,a,ret;
set<pair<pair<ll,ll>,pair<ll,ll> > >used;
void rec(ll sum,ll cur,ll mul,ll cs){
	if(used.find(mp(mp(sum,cur),mp(mul,cs))) != used.end()) return;
	used.insert(mp(mp(sum,cur),mp(mul,cs)));
	if(sum >= n){
		ret = min(ret,cs);
		return;
	}
	if(ret <= cs) return;
	rec(mul*cur,cur,mul*cur,cs+cur+a);
	if(cur > 1) rec(mul*(cur-1),cur-1,mul*(cur-1),cs+cur-1+a);
}
int main(){
	cin>>n>>a;
	ret = n;
	for(int cut=2;cut<=15;cut++){
		//ub = pow(n,1/cut)+15 lb = pow(n,1/cut)-15
		double hoge = pow((double)(n),1.0/(double)(cut));
		int k = (int)(hoge);
		for(int beg=max(2,k-15);beg<=k+15;beg++){
			 for(int mask=0;mask<(1<<(cut-1));mask++){
			 	ll ret,cur = beg,mul = beg; int S = beg;
			 	bool ok = 0;
			 	for(int i=0;i<cut-1;i++){
			 		if(!((mask>>i)&1)){
			 			mul *= cur;
			 		}
			 		else{
			 			cur--;
			 			if(cur <= 1) goto bad;
			 			mul *= cur;
			 		}
			 		ret = mul;
			 		S += cur;
			 		if(mul > 1e13) ok = 1;
			 	}
			 	if(ok || ret >= n){
			 		ret = min(ret,1LL*S+1LL*(cut-1)*a);
			 	}
			 	bad:;
			 }
		}
	}
	for(int i=15;i>=2;i--) rec(i,i,i,i);
	cout<<ret<<endl;
}

Submission Info

Submission Time
Task E - Cookies
User IH19980412
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1765 Byte
Status WA
Exec Time 143 ms
Memory 20352 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 0 / 500 0 / 500
Status
AC × 3
AC × 23
WA × 4
AC × 53
WA × 19
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 3 ms 640 KB
01-02.txt AC 3 ms 768 KB
01-03.txt AC 3 ms 640 KB
01-04.txt AC 3 ms 640 KB
01-05.txt AC 3 ms 640 KB
01-06.txt AC 3 ms 640 KB
01-07.txt AC 2 ms 512 KB
01-08.txt AC 2 ms 384 KB
01-09.txt WA 2 ms 384 KB
01-10.txt WA 2 ms 384 KB
01-11.txt WA 2 ms 384 KB
01-12.txt WA 1 ms 256 KB
01-13.txt AC 1 ms 256 KB
01-14.txt AC 2 ms 384 KB
01-15.txt AC 3 ms 640 KB
01-16.txt AC 3 ms 640 KB
01-17.txt AC 2 ms 512 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 AC 104 ms 16000 KB
02-03.txt AC 110 ms 18688 KB
02-04.txt AC 136 ms 19840 KB
02-05.txt AC 122 ms 20352 KB
02-06.txt AC 121 ms 20224 KB
02-07.txt AC 122 ms 20096 KB
02-08.txt AC 119 ms 19712 KB
02-09.txt AC 113 ms 18688 KB
02-10.txt AC 114 ms 18432 KB
02-11.txt AC 106 ms 17536 KB
02-12.txt AC 96 ms 16512 KB
02-13.txt AC 59 ms 10752 KB
02-14.txt WA 36 ms 7040 KB
02-15.txt WA 23 ms 4736 KB
02-16.txt WA 19 ms 3968 KB
02-17.txt WA 15 ms 3200 KB
02-18.txt WA 15 ms 3200 KB
02-19.txt WA 15 ms 3200 KB
02-20.txt WA 15 ms 3200 KB
02-21.txt WA 15 ms 3200 KB
02-22.txt WA 15 ms 3200 KB
02-23.txt WA 1 ms 256 KB
02-24.txt AC 1 ms 256 KB
02-25.txt AC 6 ms 1408 KB
02-26.txt AC 46 ms 8960 KB
02-27.txt AC 54 ms 10240 KB
02-28.txt AC 56 ms 10752 KB
02-29.txt AC 104 ms 14848 KB
02-30.txt AC 84 ms 15232 KB
02-31.txt AC 99 ms 17664 KB
02-32.txt AC 65 ms 11904 KB
02-33.txt AC 143 ms 20096 KB
02-34.txt AC 125 ms 17024 KB
02-35.txt AC 129 ms 18176 KB
02-36.txt WA 26 ms 5120 KB
02-37.txt WA 8 ms 1920 KB
02-38.txt WA 16 ms 3200 KB
02-39.txt WA 15 ms 3200 KB
02-40.txt WA 15 ms 3200 KB
sample-01.txt AC 1 ms 256 KB
sample-02.txt AC 1 ms 256 KB
sample-03.txt AC 2 ms 384 KB