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#include <stdio.h>
typedef long long ll;
const int n_ = 1e6 + 1;
 
int n, m, k;
ll arr[n_], tree[n_ * 2];
 
ll init(int now, int lft, int rgt) {
	if (lft == rgt) return tree[now] = arr[lft];
	return tree[now] = init(now * 2, lft, (lft + rgt) / 2) + init(now * 2 + 1, (lft + rgt) / 2 + 1, rgt);
}
 
void upd(int now, int idx, int lft, int rgt, ll dif) {
	if (idx < lft || rgt < idx) return;
	tree[now] += dif;
	if (lft != rgt) {
		upd(now * 2, lft, (lft + rgt) / 2, dif);
		upd(now * 2 + 1, (lft + rgt) / 2 + 1, rgt, dif);
	}
}
 
ll qry(int now, int bgn, int end, int lft, int rgt) {
	if (bgn < lft || rgt < end) return 0;
	if (lft <= bgn && end <= rgt) return tree[now];
	return qry(now * 2, bgn, end, lft, (lft + rgt) / 2) + qry(now * 2 + 1, bgn, end, (lft + rgh) / 2 + 1, rgt);
}
 
int main() {
	scanf("%d %d %d", &n, &m, &k);
	for (int i = 1; i <= n; i++) scanf("%lld", &arr[i]);
 
	init(1, 1, n);
 
	for (int i = 0; i < m + k; i++) {
		ll a, b, c;
		scanf("%lld %lld %lld", &a, &b, &c);
		if (x == 1)
			arr[b] = c, upd(1, b, 1, n, c - arr[i]);
		else
			printf("%lld\n", qry(1, b, c, 1, n));
	}
 
 
	return 0;
}

prog.cpp: In function ‘void upd(int, int, int, int, ll)’:
prog.cpp:17:41: error: too few arguments to function ‘void upd(int, int, int, int, ll)’
   upd(now * 2, lft, (lft + rgt) / 2, dif);
                                         ^
prog.cpp:13:6: note: declared here
 void upd(int now, int idx, int lft, int rgt, ll dif) {
      ^~~
prog.cpp:18:49: error: too few arguments to function ‘void upd(int, int, int, int, ll)’
   upd(now * 2 + 1, (lft + rgt) / 2 + 1, rgt, dif);
                                                 ^
prog.cpp:13:6: note: declared here
 void upd(int now, int idx, int lft, int rgt, ll dif) {
      ^~~
prog.cpp: In function ‘ll qry(int, int, int, int, int)’:
prog.cpp:25:90: error: ‘rgh’ was not declared in this scope
  return qry(now * 2, bgn, end, lft, (lft + rgt) / 2) + qry(now * 2 + 1, bgn, end, (lft + rgh) / 2 + 1, rgt);
                                                                                          ^~~
prog.cpp: In function ‘int main()’:
prog.cpp:37:7: error: ‘x’ was not declared in this scope
   if (x == 1)
       ^

Standard output is empty