题解 | #数位五五#
数位五五
https://www.nowcoder.com/practice/4306996b0a534178b90b3514a8b30028
#include <stdio.h>
#include <math.h>
int fun(int a, int b)
{
int x;
int m;
int count=0;
for(x=a;x<=b;x++)
{
m=x/10000;
m=m+(x%10000)/1000;
m=m+(x%1000)/100;
m=m+(x%100)/10;
m=m+x%10;
if(m%5==0)
{
count++;
}
}
// printf("%d\n",count);
return count;
}
int main() {
int a, b;
int out;
scanf("%d %d", &a, &b);
printf("%d",out=fun(a,b));
return 0;
}
