4.2.1程序解析一统计一个整数的位数Enteranumber:12534int main(void)Itcontains5digits int count, number;Entera number:-99count = O;It contains 2 digits.printf("Enter a number:"):Entera number: 0scanf ("%d", &number) ;It contains 1 digits.if(number < 0) number = -number;do{while (number!= 0)(number=number/10:number=number/10;count++;count ++;1} while (number != 0):printf("lt contains %d digits.In", count);return O;1int main(void) { int count, number; count = 0; printf("Enter a number: "); scanf ("%d", &number) ; if (number < 0) number = -number; do { number = number / 10; count ++; } while (number != 0); printf("It contains %d digits.\n", count); return 0; } 4.2.1 程序解析－统计一个整数的位数 Enter a number: 12534 It contains 5 digits. Enter a number: -99 It contains 2 digits. Enter a number: 0 It contains 1 digits. while (number != 0) { number = number / 10; count ++; }