delete pics to save space

5.1204B.cpp

@@ -0,0 +1,76 @@
+#include<cstdio>
+struct char_reader
+{
+	FILE* f;
+	char *buf,*p1,*p2;
+	int size;
+	char_reader(FILE* fin,int bufsize=1000000)
+	{
+		f=fin;
+		size=bufsize;
+		p1=p2=0;
+		buf=new char[bufsize];
+	}
+	inline int operator()()
+	{
+		return p1==p2&&(p2=(p1=buf)+fread(buf,1,size,f),p1==p2)?EOF:*p1++;
+	}
+};
+struct char_writer
+{
+	FILE* f;
+	char *buf,*p,*end;
+	char_writer(FILE* fout,int bufsize=1000000)
+	{
+		f=fout;
+		buf=new char[bufsize];
+		p=buf;
+		end=buf+bufsize;
+	}
+	~char_writer()
+	{
+		fwrite(buf,p-buf,1,f);
+	}
+	inline char operator()(char ch)
+	{
+		return end==p&&(fwrite(buf,end-buf,1,f),p=buf),*p++=ch;
+	}
+};
+char_reader gch(stdin);
+char_writer wch(stdout);
+template<typename T> inline void read(T& t)
+{
+	t=0; bool f=false; char ch;
+	while(ch=gch(),!((ch>='0'&&ch<='9')||ch=='-'));
+	if(ch=='-') f=true,ch=gch();
+	t=ch-'0';
+	while(ch=gch(),ch>='0'&&ch<='9') t=t*10+ch-'0';
+	if(f) t=-t;
+}
+template<typename T> inline void write(T t)
+{
+	int stk[20],cnt=0;
+	if(t==0) { wch('0'); return; }
+	if(t<0) { wch('-'); t=-t; }
+	while(t>0) { stk[cnt++]=t%10; t/=10; }
+	while(cnt) wch(stk[--cnt]+'0');
+}
+inline void write(char t) { wch(t); }
+inline void write(const char *&s) { while(*s) wch(*s++); }
+#if __cplusplus >= 201103L
+template<typename T,typename... Args> inline void read(T& t,Args&... args) { read(t); read(args...); }
+template<typename T,typename... Args> inline void write(T t,Args... args) { write(t); write(args...); }
+#endif
+#include<cstring>
+#include<algorithm>
+using namespace std;
+int n,l,r;
+int main()
+{
+	#ifdef local
+	freopen("pro.in","r",stdin);
+	#endif
+	read(n,l,r);
+	write(n-l+(1<<l)-1,' ',(1<<r)-1+(n-r)*(1<<(r-1)),'\n');
+	return 0;
+}