#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define rep(x, s, t) for(llint (x) = (s); (x) <= (t); (x)++) #define reps(x, s) for(llint (x) = 0; (x) < (llint)(s).size(); (x)++) #define chmin(x, y) (x) = min((x), (y)) #define chmax(x, y) (x) = max((x), (y)) #define all(x) (x).begin(),(x).end() #define outl(x) cout << x << endl #define SP << " " << #define inf 1e18 #define mod 998244353 using namespace std; typedef long long llint; typedef long long ll; typedef pair P; // range-add, range-min query struct LazySegTree{ int size; vector seg, delay; LazySegTree(){} LazySegTree(int size){ this->size = size; seg.resize(1<<(size+1)); delay.resize(1<<(size+1)); } llint Ident(){ //identity element return inf; } llint ope(llint a, llint b){ //operator return min(a, b); } void init() { for(int i = 0; i < (1<<(size+1)); i++){ seg[i] = Ident(); delay[i] = 0; // } } void eval(int l, int r, int k) // { if(delay[k]){ seg[k] += delay[k]; //総和クエリのときは区間幅を乗じる必要がある if(l < r){ delay[k*2] += delay[k]; delay[k*2+1] += delay[k]; } delay[k] = 0; } } void update(int i, llint val) { int l = 0, r = (1<= 0; j--){ k <<= 1; if(i & (1< b) return; add(a, b, 1, 0, (1< b) return Ident(); return query(a, b, 1, 0, (1< S; P get(ll x) { x = n-2-x; x += 2000000000 * (n-1); ll q = x / (n-1) - 2000000000, r = x % (n-1); return P(q, r); } ll find(ll x, ll l = 0) { ll ub = n-1, lb = l-1, mid; while(ub-lb>1){ mid = (ub+lb)/2; if(seg.query(l, mid) <= x) ub = mid; else lb = mid; } return ub; } int main(void) { ios::sync_with_stdio(0); cin.tie(0); cin >> n; rep(i, 1, n) cin >> a[i], S.insert(a[i]); cin >> Q; ll p, x; if(n == 1){ rep(q, 1, Q){ cin >> p >> x; a[p] = x; cout << max(0LL, a[1]-(n-2)) << "\n"; } return 0; } seg.init(); rep(i, 0, n-1) seg.update(i, i); ll b = 0; rep(i, 1, n){ P res = get(a[i]); //cout << res.first << " " << res.second << endl; b += res.first, seg.add(n-1-res.second, n-1, -1); } rep(q, 1, Q){ cin >> p >> x; P res = get(a[p]); b -= res.first, seg.add(n-1-res.second, n-1, 1); S.erase(S.lower_bound(a[p])); a[p] = x; res = get(a[p]); b += res.first, seg.add(n-1-res.second, n-1, -1); S.insert(a[p]); ll lb = max(0LL, *S.rbegin() - (n-2)); ll d = -b - lb/(n-1), ans = lb/(n-1)*(n-1); if(seg.query(lb%(n-1), n-1) <= -d){ ans += find(-d, lb%(n-1)); cout << ans << endl; continue; } d--, ans += n-1; ll m = -seg.query(0, n-1); if(d <= m) ans += find(-d); else ans += (d-m) * (n-1) + find(-m); cout << ans << endl; } return 0; }