指针实现字母、数字、标点符号的计数功能

#include<stdio.h> void main(void) { char arr[1024] = ""; char *p = NULL; int uppercase = 0, lowercase = 0, digit = 0, punctuator = 0; p = arr; printf("请输入任意字符串：\n"); scanf("%s", arr); for (int i = 0;

>>阅读原文<<