/tmp/solutions/build/unionfind-main.cpp:
    1|       |#include <common.h>
    2|       |prelude;
    3|       |
    4|       |namespace {
    5|       |
    6|       |int pa[200000];
    7|       |
    8|  4.89M|def find(int u) -> int {
    9|  4.89M|  int w = pa[u], v;
   10|  4.89M|  if (w < 0) return u;
                           ^2.76M
  ------------------
  |  Branch (10:7): [True: 56.53%, False: 43.47%]
  ------------------
   11|  2.43M|  while (pa[w] >= 0) w = pa[w];
                ^2.12M             ^311k
  ------------------
  |  Branch (11:10): [True: 12.75%, False: 87.25%]
  ------------------
   12|  2.43M|  while (pa[u] != w) v = u, u = pa[u], pa[v] = w;
                                   ^311k
  ------------------
  |  Branch (12:10): [True: 12.75%, False: 87.25%]
  ------------------
   13|  2.12M|  return w;
   14|  4.89M|};
   15|       |
   16|       |} // namespace
   17|       |
   18|     18|int main() {
   19|     18|  rd rd;
   20|     18|  wt wt;
   21|     18|  int n = rd.uh();
   22|     18|  int q = rd.uh();
   23|     18|  std::memset(pa, -1, 4 * n);
   24|  2.44M|  while (q--) {
  ------------------
  |  Branch (24:10): [True: 100.00%, False: 0.00%]
  ------------------
   25|  2.44M|    let t = rd.u1();
   26|  2.44M|    let u = find(rd.uh());
   27|  2.44M|    let v = find(rd.uh());
   28|  2.44M|    if (t == 0 && u != v) {
                                ^1.49M
  ------------------
  |  Branch (28:9): [True: 60.91%, False: 39.09%]
  |  Branch (28:19): [True: 89.46%, False: 10.54%]
  ------------------
   29|  1.33M|      if (pa[u] < pa[v])
  ------------------
  |  Branch (29:11): [True: 38.87%, False: 61.13%]
  ------------------
   30|   518k|        pa[v] = u;
   31|   815k|      else if (pa[v] < pa[u])
  ------------------
  |  Branch (31:16): [True: 63.61%, False: 36.39%]
  ------------------
   32|   518k|        pa[u] = v;
   33|   296k|      else
   34|   296k|        pa[u] = v, --pa[v];
   35|  1.33M|    }
   36|  2.44M|    if (t == 1) {
  ------------------
  |  Branch (36:9): [True: 39.09%, False: 60.91%]
  ------------------
   37|   956k|      wt.u1(u == v);
   38|   956k|    }
   39|  2.44M|  }
   40|     18|  return 0;
   41|     18|}