#include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; templatestruct SegTree { vector seg; int N = 1; SegTree (ll n) : SegTree(vector(n, e())) {} SegTree (const vector &v){ ll n = v.size(); while (N < n) N *= 2; seg.resize(N*2-1, e()); for (ll i=0; i=0; i--){ seg[i] = op(seg[i*2+1], seg[i*2+2]); } } void set(int loc, S val){ loc += N-1; seg[loc] = val; while (loc != 0){ loc = (loc-1)/2; seg[loc] = op(seg[loc*2+1], seg[loc*2+2]); } } //op(a[l], ..., a[r]) S prod (int l, int r) const{ return _prod(l, r, 0, 0, N-1); } S all_prod() const{ return seg[0]; } S _prod (int l, int r, int idx, int bitl, int bitr) const{ if (r < bitl || l > bitr) return e(); if (l <= bitl && bitr <= r) return seg[idx]; ll bitm = (bitl+bitr)/2; return op(_prod(l, r, idx*2+1, bitl, bitm), _prod(l, r, idx*2+2, bitm+1, bitr)); } S get (int i) const{ return seg[i+N-1]; } void show() const{ for (int i=N-1; i; S identity; S op(S a, S b){ S c(N); for (int i=0; i> N >> M >> q; identity.resize(N); for (int i=0; i tree(M+1); S P(N), Q(N); while(q){ q--; cin >> t; if (t == 1){ cin >> x; for (int i=0; i> P[i]; P[i]--; } tree.set(x, P); } else if (t == 2){ cin >> x; P = tree.prod(0, x); for (int i=0; i> x >> y; ans = 0; P = tree.prod(x, y); for (int i=0; i