题解 | #与7无关的数#
与7无关的数
http://www.nowcoder.com/practice/776d401bf86d446fa783f0bef7d3c096
include<stdio.h>
int main()
{
int i, n, sum=0;
scanf("%d",&n);
for( i =1; i <= n; i++)
{
if( i % 7 != 0 && i % 10 != 7 && i/10 != 7)
{
sum+=i*i;
}
}
printf("%d",sum);
}
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