/tmp/solutions/build/dynamic_tree_vertex_set_path_composite-main.cpp:
    1|       |#include <common.h>
    2|       |prelude;
    3|       |
    4|       |namespace {
    5|       |
    6|       |constexpr int N = 200001;
    7|       |constexpr u32 P = 998244353;
    8|       |
    9|       |struct Affine {
   10|       |  u32 a, b, c;
   11|  5.61k|  auto operator+(const Affine &t) const -> Affine {
   12|  5.61k|    u32 x = (u64(a) * t.a) % P;
   13|  5.61k|    u32 y = (u64(a) * t.b + b) % P;
   14|  5.61k|    u32 z = (u64(t.a) * c + t.c) % P;
   15|  5.61k|    return {x, y, z};
   16|  5.61k|  }
   17|    250|  auto operator+(const u32 &t) const -> u32 { return (u64(a) * t + b) % P; }
   18|       |};
   19|       |struct Node {
   20|       |  u32 a;
   21|       |  u32 b;
   22|       |  Affine aff;
   23|       |  int p;
   24|       |  int ch[2];
   25|       |  i8 rev;
   26|       |  i8 k;
   27|       |} node[N];
   28|       |
   29|  3.78k|def reverse(int x) -> void {
   30|  3.78k|  node[x].rev ^= 1;
   31|  3.78k|  std::swap(node[x].aff.b, node[x].aff.c);
   32|  3.78k|}
   33|       |
   34|  4.72k|def pushdown(int x) -> void {
   35|  4.72k|  if (node[x].rev) {
  ------------------
  |  Branch (35:7): [True: 35.80%, False: 64.20%]
  ------------------
   36|  1.69k|    std::swap(node[x].ch[0], node[x].ch[1]);
   37|  1.69k|    node[node[x].ch[0]].k = 0;
   38|  1.69k|    node[node[x].ch[1]].k = 1;
   39|  1.69k|    reverse(node[x].ch[0]);
   40|  1.69k|    reverse(node[x].ch[1]);
   41|  1.69k|    node[x].rev = 0;
   42|  1.69k|  }
   43|  4.72k|}
   44|       |
   45|  2.80k|def maintain(int x) -> void {
   46|  2.80k|  node[x].aff = node[node[x].ch[0]].aff +
   47|  2.80k|                Affine{node[x].a, node[x].b, node[x].b} +
   48|  2.80k|                node[node[x].ch[1]].aff;
   49|  2.80k|}
   50|       |
   51|  2.80k|def rotateup(int x) -> void {
   52|  2.80k|  int p = node[x].p;
   53|  2.80k|  int g = node[p].p;
   54|  2.80k|  int k = node[x].k;
   55|  2.80k|  int t = node[p].k;
   56|  2.80k|  node[node[x].ch[k ^ 1]].p = p;
   57|  2.80k|  node[node[x].ch[k ^ 1]].k = k;
   58|  2.80k|  node[p].ch[k] = node[x].ch[k ^ 1];
   59|  2.80k|  node[p].p = x;
   60|  2.80k|  node[p].k = k ^ 1;
   61|  2.80k|  node[x].ch[k ^ 1] = p;
   62|  2.80k|  node[x].p = g;
   63|  2.80k|  node[x].k = t;
   64|  2.80k|  if (t != -1) {
  ------------------
  |  Branch (64:7): [True: 24.18%, False: 75.82%]
  ------------------
   65|    679|    node[g].ch[t] = x;
   66|    679|  }
   67|  2.80k|  maintain(p);
   68|  2.80k|}
   69|       |
   70|  4.20k|def is_root(int x) -> bool { return node[x].k == -1; }
   71|       |
   72|  1.97k|def splay(int x) -> void {
   73|  1.97k|  pushdown(x);
   74|  3.08k|  while (!is_root(x)) {
  ------------------
  |  Branch (74:10): [True: 36.16%, False: 63.84%]
  ------------------
   75|  1.11k|    if (int p = node[x].p; is_root(p)) {
  ------------------
  |  Branch (75:28): [True: 53.89%, False: 46.11%]
  ------------------
   76|    602|      pushdown(p);
   77|    602|      pushdown(x);
   78|    602|      rotateup(x);
   79|    602|    } else {
   80|    515|      int g = node[p].p;
   81|    515|      pushdown(g);
   82|    515|      pushdown(p);
   83|    515|      pushdown(x);
   84|    515|      if (node[x].k == node[p].k) {
  ------------------
  |  Branch (84:11): [True: 36.70%, False: 63.30%]
  ------------------
   85|    189|        rotateup(p);
   86|    189|        rotateup(x);
   87|    326|      } else {
   88|    326|        rotateup(x);
   89|    326|        rotateup(x);
   90|    326|      }
   91|    515|    }
   92|  1.11k|  }
   93|  1.97k|}
   94|       |
   95|    664|def access(int x) -> void {
   96|    664|  splay(x);
   97|    664|  node[node[x].ch[1]].k = -1;
   98|    664|  node[x].ch[1] = 0;
   99|  1.84k|  while (int p = node[x].p) {
  ------------------
  |  Branch (99:14): [True: 63.91%, False: 36.09%]
  ------------------
  100|  1.17k|    splay(p);
  101|  1.17k|    node[node[p].ch[1]].k = -1;
  102|  1.17k|    node[p].ch[1] = x;
  103|  1.17k|    node[x].k = 1;
  104|  1.17k|    rotateup(x);
  105|  1.17k|  }
  106|    664|}
  107|       |
  108|       |int head[N];
  109|       |struct {
  110|       |  int to;
  111|       |  int next;
  112|       |} edge[N * 2];
  113|       |
  114|     88|def build(int u, int p) -> void {
  115|    262|  for (int e = head[u]; e; e = edge[e].next) {
                                         ^174
  ------------------
  |  Branch (115:25): [True: 66.41%, False: 33.59%]
  ------------------
  116|    174|    int v = edge[e].to;
  117|    174|    if (v != p) {
  ------------------
  |  Branch (117:9): [True: 50.00%, False: 50.00%]
  ------------------
  118|     87|      build(v, u);
  119|     87|      node[v + 1].p = u + 1;
  120|     87|    }
  121|    174|  }
  122|     88|}
  123|       |
  124|       |} // namespace
  125|       |
  126|      1|int main() {
  127|      1|  node[0].aff.a = 1;
  128|      1|  rd rd;
  129|      1|  wt wt;
  130|      1|  int n = rd.uh();
  131|      1|  int q = rd.uh();
  132|      1|#ifdef LOCAL
  133|      1|  std::memset(head, 0, 4 * n);
  134|      1|#endif
  135|     89|  for (int i = 1; i <= n; ++i) {
                                        ^88
  ------------------
  |  Branch (135:19): [True: 98.88%, False: 1.12%]
  ------------------
  136|     88|    node[i] = {.k = -1};
  137|     88|    u32 a = node[i].a = rd.uw();
  138|     88|    u32 b = node[i].b = rd.uw();
  139|     88|    node[i].aff = {a, b, b};
  140|     88|  }
  141|     88|  for (int i = 1; i != n; ++i) {
                                        ^87
  ------------------
  |  Branch (141:19): [True: 98.86%, False: 1.14%]
  ------------------
  142|     87|    int u = rd.uh();
  143|     87|    int v = rd.uh();
  144|     87|    edge[i * 2 | 0] = {v, head[u]}, head[u] = i * 2 | 0;
  145|     87|    edge[i * 2 | 1] = {u, head[v]}, head[v] = i * 2 | 1;
  146|     87|  }
  147|      1|  build(0, 0);
  148|    396|  while (q--) {
  ------------------
  |  Branch (148:10): [True: 99.75%, False: 0.25%]
  ------------------
  149|    395|    let t = rd.u1();
  150|    395|    if (t == 0) {
  ------------------
  |  Branch (150:9): [True: 34.94%, False: 65.06%]
  ------------------
  151|    138|      int u = rd.uh() + 1;
  152|    138|      int v = rd.uh() + 1;
  153|    138|      access(u);
  154|    138|      reverse(u);
  155|    138|      access(v);
  156|    138|      node[node[v].ch[0]].p = 0;
  157|    138|      node[node[v].ch[0]].k = -1;
  158|    138|      node[v].ch[0] = 0;
  159|    138|      int w = rd.uh() + 1;
  160|    138|      int x = rd.uh() + 1;
  161|    138|      access(w);
  162|    138|      reverse(w);
  163|    138|      node[w].p = x;
  164|    138|    }
  165|    395|    if (t == 1) {
  ------------------
  |  Branch (165:9): [True: 33.42%, False: 66.58%]
  ------------------
  166|    132|      int u = rd.uh() + 1;
  167|    132|      node[u].a = rd.uw();
  168|    132|      node[u].b = rd.uw();
  169|    132|      splay(u);
  170|    132|    }
  171|    395|    if (t == 2) {
  ------------------
  |  Branch (171:9): [True: 31.65%, False: 68.35%]
  ------------------
  172|    125|      int u = rd.uh() + 1;
  173|    125|      int v = rd.uh() + 1;
  174|    125|      u32 x = rd.uw();
  175|    125|      access(v);
  176|    125|      reverse(v);
  177|    125|      access(u);
  178|    125|      x = Affine{node[u].a, node[u].b, node[u].b} + x;
  179|    125|      x = node[node[u].ch[0]].aff + x;
  180|    125|      wt.ud(x);
  181|    125|    }
  182|    395|  }
  183|      1|  return 0;
  184|      1|}