import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.NoSuchElementException;

class RMQ {
	int n=1;
	long[] v,lazy;
	long INF=Long.MAX_VALUE/3;
	
	public RMQ(int n_) {
		while (n<n_) n*=2;
		v=new long[2*n];
		lazy=new long[2*n];
		Arrays.fill(v, -INF);
	}
	
	void push(int k) {
		v[k]+=lazy[k];
		if (2*k+1<v.length) {
			lazy[2*k+0]+=lazy[k];
			lazy[2*k+1]+=lazy[k];
		}
		lazy[k]=0;
	}
	
	void build(long[] a) {
		for (int i=0;i<a.length;++i) v[n+i]=a[i];
		for (int i=n-1;i!=1;--i) v[i]=Math.max(v[2*i],v[2*i+1]);
	}
	
	long update(int a,int b,long add) {
		return query(1,n+1,a+1,b+1,1,add);
	}
	
	long get(int a,int b) {
		return query(1,n+1,a+1,b+1,1,0);
	}
	
	long query(int l,int r,int a,int b,int k,long add) {
		push(k);
		if (r<=a||b<=l) return -INF;
		else if(a<=l&&r<=b) {
			lazy[k]+=add;
			push(k);
			return v[k];
		} else {
			long vl=query(l,(l+r)/2,a,b,2*k+0,add);
			long vr=query((l+r)/2,r,a,b,2*k+1,add);
			v[k]=Math.max(v[2*k], v[2*k+1]);
			return Math.max(vl, vr);
		}
	}
	
}

public class Main {

	public static void main(String[] args) {
		new Main().run();
	}
	
	void run() {
		FastScanner sc=new FastScanner();
		int N=sc.nextInt();
		long[] T=new long[N];
		for (int i=0;i<N-1;++i) {
			T[i]=sc.nextLong()-3*(i+1);
		}
		RMQ rmq=new RMQ(N-1);
		int M=sc.nextInt();
		int[] L=new int[M];
		int[] R=new int[M];
		long[] D=new long[M];
		for (int i=0;i<M;++i) {
			L[i]=sc.nextInt();
			R[i]=sc.nextInt();
			D[i]=sc.nextLong();
			--L[i];--R[i];
		}
		
		rmq.build(T);
		
		for (int i=0;i<M;++i) {
			rmq.update(L[i], R[i]+1, D[i]);
			System.out.println(rmq.get(0, N-1)+3*N);
		}
	}
	
	void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));}
}

class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    
    public double nextDouble() { return Double.parseDouble(next());}
}