代码语言：javascript复制
#include<stdio.h>
int main(){
int c[26]={0},i;
char ch;
while((ch=getchar())!='n')
if(ch >= 'a' && ch<= 'z')
c[ch-'a'] ;
for(int i=0;i<=25;i )
printf("%c:%dn",i 'a',c[i]);
return 0;
} 
