PAT 1042. Character Statistics (20)

Write a program to find the most frequent English letter in a given text.

Input format:

The input gives a string with a length of not more than 1000 in a row. The string consists of any visible characters and spaces in the ASCII code table, containing at least 1 English letters, ending with a carriage return (carriage return does not count).

Output format:

Outputs the most frequently occurring English letter in a row and its occurrences, separated by a space. If there is a tie, the letter with the smallest alphabetical order is output. Statistics are case insensitive and output lowercase letters.

Input Sample:

This was a simple TEST.  There is numbers and other symbols 1&2&3 .....

Sample output:

E 7

1#include <stdio.h>2#include <string.h>3#include <stdlib.h>4#include <ctype.h>5#include <math.h>6 7 intMain () {8     inta[ +]={0};9     Charb[1010];Ten gets (b); One     intLenB =strlen (b); A     CharC; -      for(intI=0; i<lenb;i++){ -B[i] =ToLower (B[i]); the     } -      for(intI=0; i<lenb;i++){ -         if(b[i]<='Z'&&b[i]>='A'|| b[i]<='Z'&&b[i]>='a') -a[b[i]]++; +     } -     intMax =0; +      for(intI=0;i< +; i++){ A         if(a[i]>max) { atc =i; -Max =A[i]; -         } -         Else if(a[i]==max) { -             if(i<c) { -c =i; inMax =A[i]; -             } to                  +         } -     }  theprintf"%c%d", C,max);  *}

PAT 1042. Character Statistics (20)