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2 years ago
#include<bits/stdc++.h>
using namespace std;
#define Maxn 59084709587505
int a[3] = {3,5,7};
int main() {
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set<long long int> se;
long long int lucky_num = 1;
while(1) {
if(lucky_num == Maxn)
break;
for(int i = 0; i < 3; i++) {
long long int temp = lucky_num*a[i];
if(temp <= Maxn) {
cout<<temp<<endl;
se.insert(temp);
}
}
lucky_num = *se.upper_bound(lucky_num);
}
cout<<se.size()<<endl;
return 0;
}