oj 2701题与7无关的数

#include<stdio.h>#include<iostream>using namespace std;#define N 100#define THE 7int main(){int res=0;int b,i,j;bool flag = false;cin >>b;if (b>=N){return 0;}for (i = 1; i <= b; i++){if (i%THE == 0){continue;}j = i;flag = false;while (j){if (j % 10 == THE){flag = true;break;}j = j / 10;}if (flag){continue;}res = res+i*i;}cout << res;return 0;}