//divisors.c --使用嵌套if语句显示一个数的约数
#include<stdio.h>
#pragma warning(disable : 4996)
#include<stdbool.h>
int main() {
unsigned long num;
unsigned long div;
bool isPrime;
printf("Please enter an integer for analysis;");
printf("Enter q to quit.\n");
while (scanf("%lu",&num)==1)
{
for ( div = 2, isPrime =true; (div * div)<= num; div++)
{
if (num%div == 0)
{
if ((div*div)!=num)
{
printf("%lu is divisible by %lu and %lu.\n", num, div, num/div);
}
else
{
printf("%lu is divisible by %lu.\n", num, div);
}
isPrime = false;
}
}
if (isPrime)
{
printf("%lu is prime.\n", num);
}
printf("please enter another integer for analysis;");
printf("Enter q to quit.\n");
}
printf("Bye.\n");
return 0;
}
标签:约数,语句,lu,嵌套,num,printf,div,isPrime From: https://www.cnblogs.com/wang-xiao-shuai/p/16801814.html