/tmp/solutions/build/point_set_range_composite-fast.cpp:
1| |#include <common.h>
2| |#include <toy/bit.h>
3| |prelude;
4| |
5| |namespace {
6| |
7| |constexpr int N = 1e6;
8| |constexpr int P = 998244353;
9| |
10| |struct node {
11| | u32 a, b;
12| 3.07M| auto operator+(node t) -> node {
13| 3.07M| return {u32(u64(a) * t.a % P), u32((u64(a) * t.b + b) % P)};
14| 3.07M| }
15| 2.56M| auto operator+(u32 x) -> u32 { return (u64(a) * x + b) % P; }
16| |} a[N];
17| |
18| |} // namespace
19| |
20| 1|int main() {
21| 1| rd rd;
22| 1| wt wt;
23| 1| int n = rd.uh();
24| 1| int q = rd.uh();
25| 53.3k| for (int i = 0; i < n; ++i) a[n + n - 1 - i] = {rd.uw(), rd.uw()};
^53.3k^53.3k
------------------
| Branch (25:19): [True: 100.00%, False: 0.00%]
------------------
26| 53.3k| for (int i = n - 1; i >= 1; --i) a[i] = a[i * 2] + a[i * 2 + 1];
^53.3k^53.3k
------------------
| Branch (26:23): [True: 100.00%, False: 0.00%]
------------------
27| 382k| while (q--) {
------------------
| Branch (27:10): [True: 100.00%, False: 0.00%]
------------------
28| 382k| let t = rd.u1();
29| 382k| if (t == 0) {
------------------
| Branch (29:9): [True: 50.07%, False: 49.93%]
------------------
30| 191k| int k = n + n - 1 - rd.uh();
31| 191k| a[k] = {rd.uw(), rd.uw()};
32| 3.21M| for (k /= 2; k > 0; k /= 2) a[k] = a[k * 2] + a[k * 2 + 1];
^3.01M ^3.01M
------------------
| Branch (32:20): [True: 94.04%, False: 5.96%]
------------------
33| 191k| }
34| 382k| if (t == 1) {
------------------
| Branch (34:9): [True: 49.93%, False: 50.07%]
------------------
35| 190k| int r = n + n - rd.uh();
36| 190k| int l = n + n - 1 - rd.uh();
37| 190k| u32 x = rd.uw();
38| 190k| int k = log(l ^ r);
39| 190k| int R = r >> k;
40| 1.48M| for (r = r >> __builtin_ctz(r) ^ 1; r > R; r = r >> __builtin_ctz(r) ^ 1)
^1.29M
------------------
| Branch (40:43): [True: 87.15%, False: 12.85%]
------------------
41| 1.29M| x = a[r] + x;
42| 1.46M| for (int t = ~l & ~(-1 << k), i; t > 0; t -= 1 << i) {
^1.27M
------------------
| Branch (42:40): [True: 86.97%, False: 13.03%]
------------------
43| 1.27M| i = log(t);
44| 1.27M| x = a[l >> i ^ 1] + x;
45| 1.27M| }
46| 190k| wt.uw(x);
47| 190k| }
48| 382k| }
49| 1| return 0;
50| 1|}