#includeint main() { char str[100],i; int upper = 0, lower = 0, number = 0, special = 0,whitesp=0; printf("enter string"); gets(str); for (i = 0; i < str[i]!='\0'; i++) { if (str[i] >= 'a' && str[i] <= 'z') upper++; else if (str[i] >= 'a' && str[i] <= 'z') lower++; else if (str[i]>= '0' && str[i]<= '9') number++; else if(str[i]==' ') whitesp++; else special++; } printf("upper case letters: %d
",upper); printf("lower case letters: %d
",lower); printf("numbers: %d
",number); printf("whitespace: %d
",whitesp); printf("sp chararcter: %d
",special); return 0;}
以上就是使用c语言计算一个句子中的空格、大写字母和小写字母的数量的详细内容。