题解 | #数位五五#
数位五五
https://www.nowcoder.com/practice/4306996b0a534178b90b3514a8b30028
优雅即正确
#include<stdio.h>
int isMultiple_0f_five(int num)
{
int sum = 0;
while(num)
{
sum += num%10;
num /= 10;
}
if(sum%5)
return 0;
else
return 1;
}
int main()
{
int l = 0, r = 0,count = 0;
scanf("%d%d",&l,&r);
for(int i = l; i <= r; i++)
{
if(isMultiple_0f_five(i))
count++;
}
printf("%d\n",count);
return 0;
}
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