20 lines
364 B
C++
20 lines
364 B
C++
#include <iostream>
|
|
|
|
using namespace std;
|
|
|
|
//丑数
|
|
bool isUgly(int num) {
|
|
while (num % 2 == 0) num /= 2;
|
|
while (num % 3 == 0) num /= 3;
|
|
while (num % 5 == 0) num /= 5;
|
|
//while (num % 7 == 0) num /= 7;
|
|
return num == 1;
|
|
}
|
|
|
|
int main() {
|
|
int num;
|
|
cin >> num;
|
|
cout << (isUgly(num) ? "True" : "False");
|
|
return 0;
|
|
}
|