// yukicoder: No.865 24時間降水量
// 2019.8.16 bal4u

#include <stdio.h>

#if 1
#define gc() getchar_unlocked()
#define pc(c) putchar_unlocked(c)
#else
#define gc() getchar()
#define pc(c) putchar(c)
#endif

int in() {   // 非負整数の入力
	int n = 0, c = gc();
	do n = 10 * n + (c & 0xf); while ((c = gc()) >= '0');
	return n;
}

void out(int n) { // 非負整数の表示（出力）
	int i;
	char b[20];

	if (!n) pc('0');
	else {
		i = 0; while (n) b[i++] = n % 10 + '0', n /= 10;
		while (i--) pc(b[i]);
	}
	pc('\n');
}

//最大キュー

#define QSIZE 500000

#define PARENT(i) ((i)>>1)
#define LEFT(i)   ((i)<<1)
#define RIGHT(i)  (((i)<<1)+1)

typedef struct { int t; } QUE;
QUE que[QSIZE+5];
int qsize;

void max_heapify(int i) {
	int l, r, max;

	l = LEFT(i), r = RIGHT(i);
	if (l < qsize && que[l].t > que[i].t) max = l; else max = i;
	if (r < qsize && que[r].t > que[max].t) max = r;
	if (max != i) {
		QUE qt = que[i]; que[i] = que[max], que[max] = qt;
		max_heapify(max);
	}
}

void deq() {
	que[0] = que[--qsize];
	max_heapify(0);
}

void enq(int t) {
	int i, max;

	i = qsize++;
	que[i].t = t;
	while (i > 0 && que[max = PARENT(i)].t < que[i].t) {
		QUE qt = que[i]; que[i] = que[max], que[max] = qt;
		i = max;
	}
}

int a[200010]; int N;
int s[200010];

int main()
{
	int i, k, d, t, v, Q;
	
	N = in();
	for (i = 1; i <= N; i++) a[i] = in();
	k = 0; for (i = 1; i <= 24; i++) k += a[i];
	enq(s[24] = k);
	for (; i <= N; i++) k += a[i] - a[i-24], enq(s[i] = k);
	
	Q = in();
	while (Q--) {
		t = in(), v = in();
		d = v-a[t], a[t] = v;
		for (i = t-23; i < t+24; i++) {
			if (i >= 0 && i <= N) enq(s[i] += d);
		}
		out(que[0].t);
	}
	return 0;
}