```cpp
#include <iostream>
#include <vector>
using namespace std;
bool isPrime(int num) {
if (num <= 1) return false;
for (int i = 2; i * i <= num; ++i) {
if (num % i == 0)
return false;
}
return true;
}
void primeFactorize(int n, vector<int>& factors) {
while (n % 2 == 0) {
factors.push_back(2);
n /= 2;
}
for (int i = 3; i * i <= n; i += 2) {
while (n % i == 0) {
factors.push_back(i);
n /= i;
}
}
if (n > 2)
factors.push_back(n);
}
void printFactorization(vector<int> factors) {
for (size_t i = 0; i < factors.size(); ++i) {
if (i > 0 && factors[i] == factors[i - 1]) {
cout << factors[i - 1] << '^' << 2 + i - 1 << " ";
} else if (i > 0) {
cout << factors[i - 1] << '*';
}
cout << factors[i];
}
cout << endl;
}
int main() {
int N;
cin >> N;
vector<int> factors;
primeFactorize(N, factors);
printFactorization(factors);
return 0;
}
```
by Markwall @ 2024-04-14 15:32:14
e...
不懂
thx
by greyandking @ 2024-04-14 15:33:32