#include <iostream>
#include <vector>
using namespace std;
static vector<long long> cache;
long long factorial(long long n){
if (n>cache.size()-1){
cache.push_back(n*factorial(n-1));
}
return cache[n];
}
int main(){
cache.push_back(1);
cache.push_back(1);
cout << factorial(3) << endl;
cout << factorial(4) << endl;
cin.get();
return 0;
}
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Standard input is empty
language:
C++ (gcc 8.3)
created:
12 years ago
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