Character Statistics Histogram

Title description

Xiao Ming has been playing a character game recently. The rules are as follows: Read in a four-line string, where the letters are all uppercase, and Xiaoming wants to print a histogram showing the frequency of each uppercase letter.Can you help him?

Enter

A total of 4 lines: each line is a string of characters, no more than 100 characters.

Output

Strictly follow the format of the sample.

Sample input

THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG.THIS IS AN EXAMPLE TO TEST FOR YOURHISTOGRAM PROGRAM.HELLO!

Sample output

***** * * ** * * ** * * * * ** * * * * * * * * ** * * * * * * * * * * * ** * * * * * * * * * * * * * * * * ** * * * * * * * * * * * * * * * * * * * * * * * *A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Reference code:

#include
using namespace std;
string s;
int maxn,t[26];
int main(){
for(int i=0;i<4;i++){
getline(cin,s);
for(int j=0;j if(s[j]>='A'&&s[j]<='Z'){
t[s[j]-'A']++;
maxn=max(maxn,t[s[j]-'A']);

}
for(int i=maxn;i>0;i--){
for(int j=0;j<26;j++){
if(t[j]>=i)
printf("* ");
else if(t[j]!=0)
, printf("");
}
printf("\n");
}
for(int i=0;i<26;i++)
if(t[i]!=0)
printf("%c ",'A'+i);
return 0;
}