You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
#include<bits/stdc++.h>
|
|
using namespace std;
|
|
char a[9999999]= {0};
|
|
int main() {
|
|
int n,t,i,j,k;
|
|
|
|
scanf("%d",&n);
|
|
for(k=1; k<=n; k++) {
|
|
t=pow(2,k)/2;
|
|
a[t]='A'+k-1;
|
|
if(k>1) {
|
|
j=t+1;
|
|
for(i=t-1; i>0; i--) {
|
|
a[j]=a[i];
|
|
j++;
|
|
}
|
|
}
|
|
}
|
|
t=pow(2,n);
|
|
for(i=1; i<t; i++)
|
|
printf("%c",a[i]);
|
|
return 0;
|
|
}
|
|
|