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

#define DEBUG(x) cout<<#x<<": "<<x<<endl;
#define DEBUG_VEC(v) cout<<#v<<":";for(int i=0;i<v.size();i++) cout<<" "<<v[i]; cout<<endl

typedef long long ll;
#define vi vector<int>
#define vl vector<ll>
#define vii vector< vector<int> >
#define vll vector< vector<ll> >
#define vs vector<string>
#define pii pair<int,int>
#define pis pair<int,string>
#define psi pair<string,int>
#define pll pair<ll,ll>
#define fi first
#define se second
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rep1(i,n) for(int i=1;i<=(int)(n);i++)
#define all(c) c.begin(),c.end()
const int inf = 1000000001;
const ll INF = 2e18 * 2;
#define MOD 1000000007
#define mod 1000000009
#define pi 3.14159265358979323846
#define Sp(p) cout<<setprecision(15)<< fixed<<p<<endl;
int dx[4] = { 1,0,-1,0 }, dy[4] = { 0,1,0,-1 };
int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };



class LazySegmentTree {
public:
	int n;
	vl node, lazy;

	LazySegmentTree(vl a) {
		int _n = a.size();
		n = 1; while (n < _n) n *= 2;
		node.resize(2 * n - 1, -INF);
		lazy.resize(2 * n - 1, 0);
		for (int i = 0; i < _n; i++) node[i + n - 1] = a[i];
		for (int i = n - 2; i >= 0; i--) node[i] = max(node[i * 2 + 1], node[i * 2 + 2]);
	}

	// k番目のノードについて遅延評価を行う
	inline void eval(int k, int l, int r) {
		if (lazy[k] != 0) {
			node[k] += lazy[k]; 
			if (r - l > 1) {
				lazy[2 * k + 1] += lazy[k]; /////
				lazy[2 * k + 2] += lazy[k]; /////
			}
			lazy[k] = 0;
		}
	}

	void add(int a, int b, ll x, int k, int l, int r) {
		// k 番目のノードに対して遅延評価を行う
		eval(k, l, r);
		if (b <= l || r <= a) return;
		if (a <= l && r <= b) {
			lazy[k] += x; //////
			eval(k, l, r);
		}
		else {
			add(a, b, x, 2 * k + 1, l, (l + r) / 2);
			add(a, b, x, 2 * k + 2, (l + r) / 2, r);
			node[k] = max(node[2 * k + 1], node[2 * k + 2]);
		}
	}

	ll getmax(int a, int b, int k, int l, int r) {
		eval(k, l, r);
		if (b <= l || r <= a) return 0;
		if (a <= l && r <= b) return node[k];
		ll resl = getmax(a, b, 2 * k + 1, l, (l + r) / 2);
		ll resr = getmax(a, b, 2 * k + 2, (l + r) / 2, r);
		return max(resl, resr);
	}

};




int main() {
	int i, j, n;
	cin >> n;
	n--;
	vl a(n);
	vl t(n);
	for (i = 0; i < n; i++) {
		cin >> t[i];
		a[i] = t[i] - 3 * i;
	}
	LazySegmentTree lst(a);
	int m;
	cin >> m;
	for (int unko = 0; unko < m; unko++) {
		ll l, r, d;
		cin >> l >> r >> d;
		l--; r--;
		lst.add(l, r + 1, d, 0, 0, lst.n);
		cout << 3 * n + lst.getmax(0, lst.n, 0, 0, lst.n) << endl;
	}
}