/tmp/solutions/build/range_reverse_range_sum-slow.cpp:
    1|       |#include <common.h>
    2|       |prelude;
    3|       |
    4|       |namespace {
    5|       |
    6|       |constexpr int N = 200001;
    7|       |
    8|       |struct Node {
    9|       |  int pri;
   10|       |  int val;
   11|       |  u64 sum;
   12|       |  int rev;
   13|       |  int size;
   14|       |  int l, r;
   15|       |} node[N];
   16|       |
   17|  12.8M|def maintain(int x) -> void {
   18|  12.8M|  node[x].size = node[node[x].l].size + 1 + node[node[x].r].size;
   19|  12.8M|  node[x].sum = node[node[x].l].sum + node[x].val + node[node[x].r].sum;
   20|  12.8M|}
   21|       |
   22|  12.9M|def pushdown(int x) -> void {
   23|  12.9M|  if (node[x].rev) {
  ------------------
  |  Branch (23:7): [True: 25.98%, False: 74.02%]
  ------------------
   24|  3.35M|    std::swap(node[x].l, node[x].r);
   25|  3.35M|    node[node[x].l].rev ^= 1;
   26|  3.35M|    node[node[x].r].rev ^= 1;
   27|  3.35M|    node[x].rev = 0;
   28|  3.35M|  }
   29|  12.9M|}
   30|       |
   31|  63.3k|def reverse(int x) -> void {
   32|  63.3k|  if (x == 0) return;
                            ^0
  ------------------
  |  Branch (32:7): [True: 0.00%, False: 100.00%]
  ------------------
   33|  63.3k|  node[x].rev ^= 1;
   34|  63.3k|  pushdown(x);
   35|  63.3k|}
   36|       |
   37|  7.48M|def merge(int x, int y) -> int {
   38|  7.48M|  if (x == 0) return y;
                            ^213k
  ------------------
  |  Branch (38:7): [True: 2.85%, False: 97.15%]
  ------------------
   39|  7.27M|  if (y == 0) return x;
                            ^212k
  ------------------
  |  Branch (39:7): [True: 2.93%, False: 97.07%]
  ------------------
   40|  7.05M|  if (node[x].pri > node[y].pri) {
  ------------------
  |  Branch (40:7): [True: 60.40%, False: 39.60%]
  ------------------
   41|  4.26M|    pushdown(x);
   42|  4.26M|    node[x].r = merge(node[x].r, y);
   43|  4.26M|    maintain(x);
   44|  4.26M|    return x;
   45|  4.26M|  } else {
   46|  2.79M|    pushdown(y);
   47|  2.79M|    node[y].l = merge(x, node[y].l);
   48|  2.79M|    maintain(y);
   49|  2.79M|    return y;
   50|  2.79M|  }
   51|  7.05M|}
   52|       |
   53|  6.04M|def split(int x, int k) -> std::pair<int, int> {
   54|  6.04M|  if (x == 0) return {0, 0};
                            ^254k
  ------------------
  |  Branch (54:7): [True: 4.20%, False: 95.80%]
  ------------------
   55|  5.79M|  pushdown(x);
   56|  5.79M|  if (int size = node[node[x].l].size; k <= size) {
  ------------------
  |  Branch (56:40): [True: 51.17%, False: 48.83%]
  ------------------
   57|  2.96M|    let[a, b] = split(node[x].l, k);
   58|  2.96M|    node[x].l = b;
   59|  2.96M|    maintain(x);
   60|  2.96M|    return {a, x};
   61|  2.96M|  } else {
   62|  2.82M|    let[a, b] = split(node[x].r, k - size - 1);
   63|  2.82M|    node[x].r = a;
   64|  2.82M|    maintain(x);
   65|  2.82M|    return {x, b};
   66|  2.82M|  }
   67|  5.79M|}
   68|       |
   69|       |} // namespace
   70|       |
   71|      1|int main() {
   72|      1|  rd rd;
   73|      1|  wt wt;
   74|      1|  int n = rd.uh();
   75|      1|  int q = rd.uh();
   76|      1|#ifdef LOCAL
   77|      1|  std::memset(node, 0, sizeof(Node) * (n + 1));
   78|      1|#endif
   79|      1|  int x = 0;
   80|   171k|  for (int i = 1; i <= n; ++i) {
                                        ^171k
  ------------------
  |  Branch (80:19): [True: 100.00%, False: 0.00%]
  ------------------
   81|   171k|    node[i].size = 1;
   82|   171k|    node[i].pri = node[i].sum = node[i].val = rd.uw();
   83|   171k|    x = merge(x, i);
   84|   171k|  }
   85|      1|  if (n == 0) rd.skip(1);
                            ^0
  ------------------
  |  Branch (85:7): [True: 0.00%, False: 100.00%]
  ------------------
   86|   127k|  while (q--) {
  ------------------
  |  Branch (86:10): [True: 100.00%, False: 0.00%]
  ------------------
   87|   127k|    int t = rd.u1();
   88|   127k|    int l = rd.uh();
   89|   127k|    int r = rd.uh();
   90|   127k|    let[a, b] = split(x, l);
   91|   127k|    let[c, d] = split(b, r - l);
   92|   127k|    if (t == 0) {
  ------------------
  |  Branch (92:9): [True: 49.87%, False: 50.13%]
  ------------------
   93|  63.3k|      reverse(c);
   94|  63.3k|    }
   95|   127k|    if (t == 1) {
  ------------------
  |  Branch (95:9): [True: 50.13%, False: 49.87%]
  ------------------
   96|  63.7k|      wt.ud(node[c].sum);
   97|  63.7k|    }
   98|   127k|    x = merge(a, merge(c, d));
   99|   127k|  }
  100|      1|  return 0;
  101|      1|}