题解 | #数位五五#
数位五五
https://www.nowcoder.com/practice/4306996b0a534178b90b3514a8b30028
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
int count=0;
for(int i=a;i<=b;i++)
{
int sum=0;
int num=i;
while(num)
{
sum+=num%10;
num/=10;
}
if(sum%5==0)
count++;
}
printf("%d",count);
return 0;
}
