#include <bits/stdc++.h>
#include <atcoder/lazysegtree>
using namespace atcoder;
using namespace std;
using ll = long long;

using T = ll;
using F = ll;
T op(T l, T r) { return min(l, r); }
T e() { return 1e18; }
T fx(F f, T x) { return f + x; }
F fg(F f, F g) { return f + g; }
F id() { return 0; }


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

  ll N;
  cin >> N;

  vector<ll> A(N);
  for(auto &i : A) { cin >> i; }

  lazy_segtree<T, op, e, F, fx, fg, id> S(A);

  ll Q;
  cin >> Q;
  while(Q--) {
    ll type, l, r, c;
    cin >> type >> l >> r >> c;
    if(type == 1) { S.apply(--l, r, c); }
    else { cout << S.prod(--l, r) << "\n"; }
  }
}