#include<stdio.h>#include<string.h>int main(){?char a[40];?int i, j = 0, m = 0, n = 0, b = 0,t=0;?scanf("%s", a);?t=strlen(a);?for (i = 0; i <t ; i++)?{??if (a[i] >= '0'&&a[i] <= '9')???j += 1;???else if (a[i] >= 65 && a[i] <= 90 || a[i] >= 97 && a[i] <= 122)???m += 1;???else if (a[i] ==32) n += 1;??else b += 1;?}?printf("zimu=%d\n", m);?printf("shuzi=%d\n", j);?printf("kongge=%d\n", n);?printf("qita=%d\n", b);}問題：統計字符串中字母、數字、空格和其他字符的個數。運行后各個統計的結果都不正確