#include <algorithm>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <sstream>
#include <functional>
#include <map>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <list>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> P;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const ll INF = 1LL<<29;
const ll mod = 1e9+7;
#define rep(i,n) for(int (i)=0;(i)<(ll)(n);++(i))
#define repd(i,n,d) for(ll (i)=0;(i)<(ll)(n);(i)+=(d))
#define all(v) (v).begin(), (v).end()
#define pb(x) push_back(x)
#define mp(x,y) make_pair((x),(y))
#define mset(m,v) memset((m),(v),sizeof(m))
#define chmin(x,y) (x=min(x,y))
#define chmax(x,y) (x=max(x,y))
#define fst first
#define snd second
#define UNIQUE(x) (x).erase(unique(all(x)),(x).end())
template<class T> ostream &operator<<(ostream &os, const vector<T> &v){int n=v.size();rep(i,n)os<<v[i]<<(i==n-1?"":" ");return os;}

struct rmq {
	int seg_n;
	vector<ll> data, datb;
	void init(int n, ll initial_value = INF){
		seg_n = 1;
		while(seg_n<n) seg_n<<=1;
		data = vector<ll>(seg_n*2-1, 0);
		datb = vector<ll>(seg_n*2-1, 0);
	}

	// v[k] <- a
	/*void update(int k, ll a){
		k += seg_n - 1;
		dat[k] = a;
		while(k>0){
			k = (k-1)/2;
			dat[k] = min(dat[k*2+1], dat[k*2+2]);
		}
	}*/

	// min(v[a], v[a+1],..., v[b-1])
	// to use: query(a, b);
	ll rmin(int a, int b, int k, int l, int r){
		if(r <= a || b <= l) return INF;
		if(a <= l && r <= b) return data[k]+datb[k];
		return min(rmin(a, b, k*2+1, l, (l+r)/2), rmin(a, b, k*2+2, (l+r)/2, r))+data[k];
	}

	ll rmin(int a, int b){
		return rmin(a, b, 0, 0, seg_n);
	}

	void radd(int a, int b, ll x, int k, int l, int r){
		if(r <= a || b <= l) return;//return INF;
		if(a <= l && r <= b){
			data[k] += x;
			return;
			//return data[k]+datb[k];
		} else {
			radd(a, b, x, k*2+1, l, (l+r)/2);
			radd(a, b, x, k*2+2, (l+r)/2, r);
			datb[k] = min(datb[k*2+1]+data[k*2+1], datb[k*2+2]+data[k*2+2]);
		}
	}

	void radd(int a, int b, ll x){
		radd(a, b, x, 0, 0, seg_n);
	}
};
int main(){
	ll n;
	cin>>n;
	rmq x;
	x.init(n-1);
	rep(i, n-1){
		ll a;
		cin>>a;
		a += 3*(n-i-1);
		x.radd(i, i+1, -a);
	}
	ll m;
	cin>>m;
	rep(i, m){
		ll l, r, d;
		cin>>l>>r>>d;
		l--;
		x.radd(l, r, -d);
		ll res = x.rmin(0, n-1);
		cout<<-res<<endl;
	}
	return 0;
}