'commit'

TangDou/ShuLun/SL5.cpp

@@ -0,0 +1,19 @@
+#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;
+}