华为机试题四
#include <iostream>
using namespace std;
int fun1(int m)
{
int temp;
while (m)
{
temp = m%10;
if(temp == 7) return 1;
m = m/10;
}
return 0;
}
/*
int fun2(int m)
{
int temp=m%10;
while(temp)
{
if(temp == 7) return 1;
m = m/10;
temp = m%10;
}
return 0;
}
*/
int main()
{
int a,i;
int num =0;
cin>>a;
for (i=1;i<=a;i++)
{
if( i%7==0 || fun(i) == 1)
num++;
}
cout<<num<<endl;
}
挑7