#include using namespace std; using i64 = long long; template struct LazySegmentTree { const int n; std::vector info; std::vector tag; LazySegmentTree(int n) : n(n), info(4 << std::__lg(n)), tag(4 << std::__lg(n)) {} LazySegmentTree(std::vector init) : LazySegmentTree(init.size()) { std::function build = [&](int p, int l, int r) { if (r - l == 1) { info[p] = init[l]; return; } int m = (l + r) / 2; build(2 * p, l, m); build(2 * p + 1, m, r); pull(p); }; build(1, 0, n); } void pull(int p) { info[p] = info[2 * p] + info[2 * p + 1]; } void apply(int p, const Tag &v) { info[p].apply(v); tag[p].apply(v); } void push(int p) { apply(2 * p, tag[p]); apply(2 * p + 1, tag[p]); tag[p] = Tag(); } void modify(int p, int l, int r, int x, const Info &v) { if (r - l == 1) { info[p] = v; return; } int m = (l + r) / 2; push(p); if (x < m) { modify(2 * p, l, m, x, v); } else { modify(2 * p + 1, m, r, x, v); } pull(p); } void modify(int p, const Info &v) { modify(1, 0, n, p, v); } Info rangeQuery(int p, int l, int r, int x, int y) { if (l >= y || r <= x) { return Info(); } if (l >= x && r <= y) { return info[p]; } int m = (l + r) / 2; push(p); return rangeQuery(2 * p, l, m, x, y) + rangeQuery(2 * p + 1, m, r, x, y); } Info rangeQuery(int l, int r) { return rangeQuery(1, 0, n, l, r); } void rangeApply(int p, int l, int r, int x, int y, const Tag &v) { if (l >= y || r <= x) { return; } if (l >= x && r <= y) { apply(p, v); return; } int m = (l + r) / 2; push(p); rangeApply(2 * p, l, m, x, y, v); rangeApply(2 * p + 1, m, r, x, y, v); pull(p); } void rangeApply(int l, int r, const Tag &v) { return rangeApply(1, 0, n, l, r, v); } int search(int p, int l, int r, int x, int y, i64 v) { if (l >= y || r <= x) return y; if (info[p].min >= v) return y; if (r - l == 1) return l; int m = (l + r) / 2; push(p); int res = search(2 * p, l, m, x, y, v); if (res == y) res = search(2 * p + 1, m, r, x, y, v); return res; } int search(int l, int r, i64 v) { return search(1, 0, n, l, r, v); } }; constexpr i64 inf = 1E18; struct Tag { int rev; Tag(int _rev = 0) : rev{_rev} {} void apply(const Tag &t) { if (t.rev) { rev ^= 1; } } }; struct Info { int up; int down; Info() : up{0}, down{0} {} Info(int _up, int _down) : up{_up}, down{_down} {} void apply(const Tag &t) { if (t.rev) { swap(up, down); } } }; Info operator+(const Info &a, const Info &b) { Info c; c.up = a.up + b.up; c.down = a.down + b.down; return c; } class Solution { public: vector handleQuery(vector& nums1, vector& nums2, vector>& queries) { vector info; for (int i = 0; i < (int) nums1.size(); i++) { info.push_back(Info(nums1[i], nums1[i] ^ 1)); } long long s = accumulate(nums2.begin(), nums2.end(), 0LL); vector ans; LazySegmentTree seg(info); for (auto &qs: queries) { int op = qs[0]; if (op == 1) { seg.rangeApply(qs[1], qs[2] + 1, Tag(1)); } else if (op == 2) { s += seg.info[1].up * (long long) qs[1]; } else { ans.push_back(s); } } return ans; } };