【よくわかる】ABC283 B問題 First Query Problem

#include<bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin >> n;
    vector a(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    int q;
    cin >> q;

    vector ans;
    for (int i = 0; i < q; i++) {
        int type;
        cin >> type;
        if (type == 1) {
            int k, x;
            cin >> k >> x;
            k--;
            a[k] = x;
        } else {
            int k;
            cin >> k;
            k--;
            ans.push_back(a[k]);
        }
    }

    for (int i = 0; i < ans.size(); i++) {
        cout << ans[i] << endl;
    }
    return 0;
}