22168 数位五五
数位五五
https://ac.nowcoder.com/acm/problem/22168
#include<iostream>
using namespace std;
int main()
{
int x, y;
cin>>x>>y;
int s=0;
for(int i=x; i<=y; i++)
{
int a=i, b=0;
while(a>=1)
{
b=b+a%10;
a=a/10;
}
if(b%5==0)
s++;
}
cout<<s<<endl;
return 0;
}注意参数生存周期