백준 10871 Numbers Less Than X

1. Code

#include <iostream>

using namespace std;

int main(void) {
    int N, X;
    cin >> N >> X;
    int nums[N];

    for (int i=0 ; i<N ; i++) {
        cin >> nums[i];
    }

    for (int i=0 ; i<N ; i++) {
        if (nums[i] < X) {
            cout << nums[i] << " ";
        }
    }
    
    cout << "\n";
    return 0;
}

2. Result

        Runtime : 4 ms, Memory usage : 2016 KB
        (Runtime can be different by a system even if it is a same code.)

Check out the my GitHub repo for more info on the code. If you have questions, you can leave a reply on this post.