//没考虑大写，改一下判断就行了
#include <bits/stdc++.h>
using namespace std;
int main() {
    vector<char> arr1;
    char c1;
    // 读取所有字符（包括空格，直到换行符）
    while ((c1 = cin.get()) != '\n') {
        arr1.push_back(c1);
    }
    int yuan = 0;
    int fu = 0;
    int num = 0;
    int kong = 0;
    for(int i = 0; i < arr1.size();i++){
        if(arr1[i] == 'a' ||arr1[i] == 'e' ||arr1[i] == 'i' ||arr1[i] == 'o' ||arr1[i] == 'u' ){
            yuan++;
        } else if((arr1[i] >= 'a' && arr1[i] <= 'z')&&
        (arr1[i] != 'a' &&arr1[i] != 'e'&&arr1[i] != 'i' &&arr1[i] != 'o' &&arr1[i] != 'u')){
            fu++;
        }else if(arr1[i] >= '0' && arr1[i] <= '9'){
            num++;
        } else if(arr1[i] == ' '){
            kong++;
        }
    }
    cout <<  yuan << endl;
    cout << fu << endl;
    cout  << num << endl;
    cout  << kong << endl;

}

1

#include <stdio.h>

#define a 100

void main()

{

     char ch[a];

     scanf("%s",ch);

     int blank_s=num_s=y_e=f_e=0;

     for(int i=0; i<strlrn(ch) ;i++)

     {

          if(ch[i]==' ') blank_s++;

          if(ch[i])=='1'||ch[i])=='2'||ch[i])=='3') num_s++;

          if(ch[i])=='a'||ch[i])=='e'||ch[i])=='i'||ch[i])=='o'||ch[i])=='u') y_e++;

          f_e=strlen(ch)-blank_s-num_s-y_e;

     }

     printf("元音：%d\n",&y_s);

     printf("辅音：%d\n",&f_s);

     printf("数字：%d\n",&num_s);

     printf("空白符：%d",&blank_s);

}

#include <stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
#include <windows.h>
#define N 50
int main(void)
{
    int i=0, vowels, consonants, digits, spaces;//元音 辅音 数字 空格
    vowels = consonants = digits = spaces = 0;
    char string[N],word;
    puts("请输入字符串");
    gets(string);
    int n = strlen(string);
    string[n] = '\0';
    while (string[i] != '\0') {
        if (string[i] == 'a'|| string[i] == 'A'|| string[i] == 'E' || string[i] == 'e' || string[i] == 'i' || string[i] == 'I' || string[i] == 'o' || string[i] == 'U' || string[i] == 'u' || string[i] == 'U' ) {
            vowels++;
        }
        else if ((string[i]>='a'&& string[i] <= 'z')||(string[i] >= 'A' && string[i] <= 'Z')) {//除了元音全是辅音
            consonants++;
        }
        else if (string[i] >= '0' && string[i] <= '9') {
            digits++;
        }
        else if(string[i] == ' ') {
            spaces++;
        }
        i++;
    }
    printf("元音个数：%d\n辅音个数：%d\n数字个数：%d\n空格个数：%d\n", vowels, consonants, digits, spaces);

    return 0;
}

#include<iostream>

using namespace std;

int main()

{

    char source[1024];

    char * string=source;

    gets(source);

    cout<<string<<endl;

    int vowel=0;

    int consonant=0;

    int digit=0;

    int space=0;

    while(*string)

    {

        if(*string=='a' || *string=='A' || *string=='e' || *string=='E' || *string=='o' || *string=='O' || *string=='i' || *string=='I' || *string=='u' || *string=='U')

        {

            vowel++;

        }else if(*string>='0' && *string<='9')

        {

            digit++;

        }else if(*string==' ')

        {

            space++;

        }else

        {

            consonant++;

        }

        string++;

    }

    cout<<"vowel:\t"<<vowel<<endl;

    cout<<"consonant:\t"<<consonant<<endl;

    cout<<"digit:\t"<<digit<<endl;

    cout<<"space:\t"<<space<<endl;

    return 0;

}