题解 | #数位五五#
数位五五
https://www.nowcoder.com/practice/4306996b0a534178b90b3514a8b30028
//BC151 数位五五
#include<stdio.h>
int main()
{
int a = 0;
int b = 0;
int sum = 0;
int count = 0;
int n = 0;
scanf("%d %d", &a, &b);
for (int i = a; i <= b; i++)
{
//把i给一个变量，不能直接用i，会把i的值改变
n = i;
while (n)
{
//求出每一位
sum += n % 10;
n /= 10;
}
if (sum % 5 == 0)
count++;
sum = 0;
}
printf("%d\n", count);
return 0;
}
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