2 C

#include <iostream>
#include <vector>

using namespace std;

void reverse(vector<long long>& v, int l, int r){
    while (l < r) {
        swap(v[l-1], v[r-1]);
        l++;
        r--;
    }
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;
    vector<long long> v(n);
    for (int i = 0; i < n; ++i) {
        cin >> v[i];
    }

    int l, r;
    cin >> l >> r;
    while (l != 0 && r != 0){
        reverse(v, l, r);
        cin >> l >> r;
    }

    for (int j = 0; j < (int)v.size(); ++j) {
        cout << v[j] << " ";
    }

    return 0;
}