c语言编程练习题:7-188 统计数字字符和空格
作者:yunjinqi   类别:    日期:2023-06-04 18:52:05    阅读:217 次   消耗积分:0 分    

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#include <stdio.h>
int main(){
    char ch;
    int blank_num=0;
    int digit_num=0;
    int other_num=0;
    while (scanf("%c",&ch)!=EOF && ch!='\n'){
        // if (j==0 && (ch==' ')){continue;j--;}
        switch (ch){
            case '0':
                digit_num++;
                break;
            case '1':
                digit_num++;
                break;
            case '2':
                digit_num++;
                break;
            case '3':
                digit_num++;
                break;
            case '4':
                digit_num++;
                break;
            case '5':
                digit_num++;
                break;
            case '6':
                digit_num++;
                break;
            case '7':
                digit_num++;
                break;
            case '8':
                digit_num++;
                break;
            case '9':
                digit_num++;
                break;
            case ' ':
                blank_num++;
                break;
            default :
                other_num++;
        }
        
        // printf("%d %c letter = %d, blank = %d, digit = %d, other = %d\n",j,ch,letter_num,blank_num,digit_num,other_num);
    }
        
            
    printf("blank = %d, digit = %d, other = %d",blank_num,digit_num,other_num);
    
return 0;
}


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