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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#35329#968. Extreme WealthFroggyguaWA 4ms3840kbC++171.4kb2022-06-15 09:39:152022-06-15 09:39:17

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-06-15 09:39:17]
  • 评测
  • 测评结果:WA
  • 用时:4ms
  • 内存:3840kb
  • [2022-06-15 09:39:15]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define N 2020
typedef long long ll;
const long double PI=acosl(-1.0L);
ll n,m;
long double dp[N][N];
long double Get(ll n){
	if(!n)return 0;
	return n*logl(n)-n+0.5L*logl(2.0L*n*PI);
}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.setf(ios::fixed);
	cout.precision(10);
	cin>>n>>m;
	/*
	for(int i=0;i<=n;++i){
		for(int j=0;j<=m;++j){
			if(!i){
				dp[i][j]=powl(2.0L,j);
			}
			else if(!j){
				dp[i][j]=powl(2.0L,i);
			}
			else{
				long double X=dp[i-1][j],Y=dp[i][j-1];
				dp[i][j]=2.0*X*Y/(X+Y);
			}
		}
	}
	if(dp[n][m]>1e9){
		cout<<"Extreme Wealth\n";
		return 0;
	}
	cout<<dp[n][m]<<'\n';
	return 0;
	*/
	if(n<=1000000&&m<=1000000){
		if(n>m)swap(n,m);
		long double ans=1;
		int p=1;
		for(int i=1;i<=n+m;++i){
			ans*=2;
			while(ans>1&&p<=n){
				ans=ans*p/(m+p);
				++p;
			}
			if(ans>1e20){
				cout<<"Extreme Wealth\n";
				return 0;
			}
		}
		if(ans>1e9){
			cout<<"Extreme Wealth\n";
			return 0;
		}
		cout<<ans<<'\n';
		return 0;
	}
	/*
	long double X=logl(2.0L)*(n+m);
	long double Y=Get(n+m)-Get(n)-Get(m);
	if(X-Y>30||expl(X-Y)>1e9){
		cout<<"Extreme Wealth\n";
		return 0;
	}
	cout<<expl(X-Y)<<'\n';
	*/
	long double ans=sqrtl(PI*n)*(1+1/(8.0L*n));
	if(n>m)swap(n,m);
	for(ll i=n;i<m;i++){
		ans*=2.0L*(i+1)/(n+i+1);
		if(ans>1e9){
			cout<<"Extreme Wealth\n";
			return 0;
		}
	}
	cout<<ans<<'\n';
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3632kb

input:

3 2

output:

3.2000000000

result:

ok OK 3.20000000, real ans = 3.20000000, error = 0.00000000

Test #2:

score: 0
Accepted
time: 2ms
memory: 3840kb

input:

0 29

output:

536870912.0000000000

result:

ok OK 536870912.00000000, real ans = 536870912.00000000, error = 0.00000000

Test #3:

score: 0
Accepted
time: 1ms
memory: 3572kb

input:

30 0

output:

Extreme Wealth

result:

ok OK Extreme Wealth, real ans = 1073741824.00000000

Test #4:

score: 0
Accepted
time: 3ms
memory: 3728kb

input:

37 73

output:

5028.4888595832

result:

ok OK 5028.48885958, real ans = 5028.48885958, error = 0.00000000

Test #5:

score: 0
Accepted
time: 0ms
memory: 3704kb

input:

10000000000 10000000000

output:

177245.3850927672

result:

ok OK 177245.38509277, real ans = 177245.38509055, error = 0.00000000

Test #6:

score: -100
Wrong Answer
time: 4ms
memory: 3840kb

input:

10000000000 9999412550

output:

989782791.9668422085

result:

wrong answer WA 989782791.96684217, real ans = 989753719.13242424, error = 0.00002937