POJ 2136

#include <iostream>
#include <memory.h>
using namespace std;
typedef unsigned int uint;
int main() {
    char line[128]={0};
    uint occur[26]={0},mx=0;
    for(;cin.getline(line,128);){
        for(char* p=line;*p;++p)
            if(*p>='A'&&*p<='Z')
                if(++occur[*p-'A']>mx)
                    mx=occur[*p-'A'];
    }
    for(;mx>=1;--mx){
        memset(line,0,64);
        for(int i=0;i<26;++i){
            if(occur[i]>=mx) {
                line[i*2]='*';
                for(int j=i*2-1;j>=0&&!line[j];--j)
                    line[j]=' ';
            }
        }
        cout<<line<<endl;
    }
    for(char A='A';A<'Z';++A)
        cout<<A<<" ";
    cout<<"Z\n";
    return 0;
}