#include<stdio.h>intis(int number );voidcount_sum(int a,int b );intmain(){int a, b;scanf("%d %d",&a,&b);if(is(a))printf("%d is counted.\n", a);if(is(b))printf("%d is counted.\n", b);count_sum(a, b);return0;}//1234%10 = 4,123%10 = 3,12%10 = 2// %10 可以取到数字最后一位// /10 可以取到数字的前几位intis(int number){int sum =0,t =0;while(number !=0){
t = number%10;
sum += t;
number /=10;}if(sum ==5){return1;}return0;}voidcount_sum(int a,int b ){int count=0,sum=0;for(int i=a;i <= b;i++){if(is(i)!=0){
count +=1;
sum += i;}}printf("count = %d, sum = %d",count,sum);}