题解 | #统计字符#

#include<stdio.h>
#include<string.h>
int main(){
    int count_eng=0,count_kong=0,count_num=0,count_other=0;
    char str[1001]={'\0'};
    while(scanf("%[^\n]",str)>0){
        for(int i=0;i<strlen(str);i++){
           if((str[i]>='A'&&str[i]<='Z')||(str[i]>='a'&&str[i]<='z'))
               count_eng=count_eng+1;
            else if(str[i]==' ')
                count_kong=count_kong+1;
            else if(str[i]>='0'&&str[i]<='9')
                count_num=count_num+1;
            else
               count_other=count_other+1; 
        }
    }
    printf("%d\n%d\n%d\n%d",count_eng,count_kong,count_num,count_other);
}