题解 | #与7无关的数#
与7无关的数
https://www.nowcoder.com/practice/776d401bf86d446fa783f0bef7d3c096
#include <cstdio>
int RelateSeven(int n){
int sum = 0;
for(int i = 0; i <= n; i++){
if(i % 7 != 0 && i % 10 != 7){
sum += i * i;
}
}
return sum;
}
int main(){
int n;
int sum = 0;
scanf("%d",&n);
if(n < 100){
sum = RelateSeven(n);
}
printf("%d\n",sum);
}
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