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python/GESP/Level5/GESP202406/20240602.cpp

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2025-08-30 18:35:01 +08:00
#include <bits/stdc++.h>
using namespace std;
bool isPrime(int x) {
for (int i = 2; i <= x / i; i++) {
if (x % i == 0)
return false;
}
return true;
}
bool isLucky(int x) {
// 将数字x分解质因数,并且记录质因数的个数,如果质因数个数为2,并且不能重复,则返回true,否则返回false
int cnt = 0;
for (int i = 2; i <= x; i++) {
if (x % i == 0 && isPrime(i))
cnt++;
}
return cnt == 2;
}
/*
3
7 12 30
参考答案:0 1 0
*/
int main() {
int n;
cin >> n;
while (n--) {
int x;
cin >> x;
if (isLucky(x))
cout << 1 << endl;
else
cout << 0 << endl;
}
return 0;
}