delete pics to save space

2023-08-03 09:22:52 +08:00
commit de60cd6ed4
1334 changed files with 66221 additions and 0 deletions
--- a/history_source/信息学奥赛一本通/1.2.6.8.cpp
+++ b/history_source/信息学奥赛一本通/1.2.6.8.cpp
@ -0,0 +1,103 @@
+#include<iostream>
+using namespace std;
+#include<vector> 
+#include<cmath> 
+#include<string>
+struct bigNum
+{
+	vector<unsigned int> num;
+	static const unsigned int BASE=100000000,W=8;//<2F><>λ<EFBFBD><CEBB>(100000000<30><30><EFBFBD><EFBFBD>) 
+	void clear(int size)
+	{
+		if(num.size()==0) num.push_back(0);
+		while(num[0]==0&&num.size()-size>0) num.erase(num.begin());
+	} 
+	bigNum operator=(string sr)//<2F><><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>ֵ 
+	{
+		num.clear();
+		for(int i=0;i<sr.size();i++)
+		{
+			if(i%W==0) num.insert(num.begin(),0);
+			num[0]=num[0]+(sr[sr.size()-1-i]-'0')*pow(10,i%W);
+		}
+		bigNum a;
+		a.num=num;
+		a.clear(0);
+		return a;
+	}
+	bigNum operator+(bigNum b)
+	{
+		bigNum ans;
+		ans.num=num;
+		if(ans.num.size()<b.num.size())//ȷ<><C8B7>ans<6E><73>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD>b<EFBFBD><62>λ<EFBFBD><CEBB> 
+		{
+			bigNum li;
+			li=ans;
+			ans=b;
+			b=li;
+		}
+		unsigned long long j=0;
+		for(int ai=ans.num.size()-1,bi=b.num.size()-1;bi>=0;ai--,bi--)
+		{
+			j=ans.num[ai]+b.num[bi]+j;
+			ans.num[ai]=j%BASE;//<2F><>λ 
+			j/=BASE;
+		}
+		if(j>0)
+		{
+			for(int ai=ans.num.size()-b.num.size()-1;ai>=0;ai--)
+			{
+				j=ans.num[ai]+j;
+				ans.num[ai]=j%BASE;
+			    j/=BASE;
+			}
+		}//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ 
+		if(j>0) ans.num.insert(ans.num.begin(),1);//<2F><>λ
+		return ans;
+	}
+};
+istream& operator>>(istream &in,bigNum& x)//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
+{
+	string s;
+	char li;
+	in.get(li);
+	while(li>='0'&&li<='9')//<2F><>֤<EFBFBD><D6A4><EFBFBD><EFBFBD>ȡ<EFBFBD>Ƿ<EFBFBD><C7B7>ַ<EFBFBD> 
+	{
+		s+=li;
+		in.get(li);
+	}
+	x=s;//<2F><><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>ֵ 
+	return in;
+}
+ostream& operator<<(ostream &out,const bigNum &x)//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
+{
+	out<<x.num[0];
+	for(int i=1;i<x.num.size();i++)//ȷ<><C8B7><EFBFBD><EFBFBD>8λ 
+	{
+		if(x.num[i]<10) out<<"0000000";
+		else if(x.num[i]<100) out<<"000000";
+		else if(x.num[i]<1000) out<<"00000";
+		else if(x.num[i]<10000) out<<"0000";
+		else if(x.num[i]<100000) out<<"000";
+		else if(x.num[i]<1000000) out<<"00";
+		else if(x.num[i]<10000000) out<<"0";
+		out<<x.num[i];
+	}
+	return out;
+}
+bigNum str_big(string sr)
+{
+	bigNum ans;
+	ans=sr;
+	return ans;
+}
+int main()
+{
+	int n;
+	cin>>n;
+	bigNum ans;
+	ans="1";
+	for(int i=0;i<n;i++) ans=ans+ans;
+	cout<<ans<<endl;
+	return 0;
+}