/tmp/solutions/build/predecessor_problem-main.cpp:
1| |#include <common.h>
2| |prelude;
3| |
4| |namespace {
5| |
6| |u64 root;
7| |u64 lv18[39];
8| |u64 lv12[2442];
9| |u64 leaf[156250];
10| |
11| 20.0k|void set(u32 x) {
12| 20.0k| leaf[x >> 6] |= 1ull << (x & 63);
13| 20.0k| lv12[x >> 12] |= 1ull << ((x >> 6) & 63);
14| 20.0k| lv18[x >> 18] |= 1ull << ((x >> 12) & 63);
15| 20.0k| root |= 1ull << (x >> 18);
16| 20.0k|}
17| |
18| 19.9k|void unset(u32 x) {
19| 19.9k| if (!(leaf[x >> 6] &= ~(1ull << (x & 63))))
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| Branch (19:7): [True: 0.00%, False: 100.00%]
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20| 0| if (!(lv12[x >> 12] &= ~(1ull << ((x >> 6) & 63))))
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| Branch (20:9): [True: 0.00%, False: 0.00%]
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21| 0| if (!(lv18[x >> 18] &= ~(1ull << ((x >> 12) & 63))))
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| Branch (21:11): [True: 0.00%, False: 0.00%]
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22| 0| root &= ~(1ull << (x >> 18));
23| 19.9k|}
24| |
25| 19.9k|bool get(u32 x) { return leaf[x >> 6] & (1ull << (x & 63)); }
26| |
27| 19.9k|u32 nxt(u32 x) {
28| 19.9k| if (u64 tmp = leaf[x >> 6] & (-1ull << (x & 63)); !tmp) {
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| Branch (28:53): [True: 1.60%, False: 98.40%]
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29| 319| if (u64 tmp = lv12[x >> 12] & (-2ull << ((x >> 6) & 63)); !tmp) {
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| Branch (29:63): [True: 100.00%, False: 0.00%]
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30| 319| if (u64 tmp = lv18[x >> 18] & (-2ull << ((x >> 12) & 63)); !tmp) {
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| Branch (30:66): [True: 100.00%, False: 0.00%]
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31| 319| if (u64 tmp = root & (-2ull << (x >> 18)); !tmp) {
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| Branch (31:52): [True: 100.00%, False: 0.00%]
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32| 319| return -1;
33| 319| } else {
34| 0| u32 ans = __builtin_ctzll(tmp);
35| 0| ans = ans << 6 | __builtin_ctzll(lv18[ans]);
36| 0| ans = ans << 6 | __builtin_ctzll(lv12[ans]);
37| 0| ans = ans << 6 | __builtin_ctzll(leaf[ans]);
38| 0| return ans;
39| 0| }
40| 319| } else {
41| 0| u32 ans = (x >> 18) << 6 | __builtin_ctzll(tmp);
42| 0| ans = ans << 6 | __builtin_ctzll(lv12[ans]);
43| 0| ans = ans << 6 | __builtin_ctzll(leaf[ans]);
44| 0| return ans;
45| 0| }
46| 319| } else {
47| 0| u32 ans = (x >> 12) << 6 | __builtin_ctzll(tmp);
48| 0| ans = ans << 6 | __builtin_ctzll(leaf[ans]);
49| 0| return ans;
50| 0| }
51| 19.6k| } else {
52| 19.6k| u32 ans = (x >> 6) << 6 | __builtin_ctzll(tmp);
53| 19.6k| return ans;
54| 19.6k| }
55| 19.9k|}
56| |
57| 20.0k|u32 pre(u32 x) {
58| 20.0k| if (u64 tmp = leaf[x >> 6] & ~(-2ull << (x & 63)); !tmp) {
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| Branch (58:54): [True: 1.70%, False: 98.30%]
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59| 341| if (u64 tmp = lv12[x >> 12] & ~(-1ull << ((x >> 6) & 63)); !tmp) {
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| Branch (59:64): [True: 100.00%, False: 0.00%]
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60| 341| if (u64 tmp = lv18[x >> 18] & ~(-1ull << ((x >> 12) & 63)); !tmp) {
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| Branch (60:67): [True: 100.00%, False: 0.00%]
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61| 341| if (u64 tmp = root & ~(-1ull << (x >> 18)); !tmp) {
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| Branch (61:53): [True: 100.00%, False: 0.00%]
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62| 341| return -1;
63| 341| } else {
64| 0| u32 ans = 63 - __builtin_clzll(tmp);
65| 0| ans = ans << 6 | 63 - __builtin_clzll(lv18[ans]);
66| 0| ans = ans << 6 | 63 - __builtin_clzll(lv12[ans]);
67| 0| ans = ans << 6 | 63 - __builtin_clzll(leaf[ans]);
68| 0| return ans;
69| 0| }
70| 341| } else {
71| 0| u32 ans = (x >> 18) << 6 | 63 - __builtin_clzll(tmp);
72| 0| ans = ans << 6 | 63 - __builtin_clzll(lv12[ans]);
73| 0| ans = ans << 6 | 63 - __builtin_clzll(leaf[ans]);
74| 0| return ans;
75| 0| }
76| 341| } else {
77| 0| u32 ans = (x >> 12) << 6 | 63 - __builtin_clzll(tmp);
78| 0| ans = ans << 6 | 63 - __builtin_clzll(leaf[ans]);
79| 0| return ans;
80| 0| }
81| 19.7k| } else {
82| 19.7k| u32 ans = (x >> 6) << 6 | 63 - __builtin_clzll(tmp);
83| 19.7k| return ans;
84| 19.7k| }
85| 20.0k|}
86| |
87| |} // namespace
88| |
89| 1|int main() {
90| 1| rd rd;
91| 1| wt wt;
92| 1| int n = rd.uh();
93| 1| int q = rd.uh();
94| 1|#ifdef LOCAL
95| 1| root = 0;
96| 1| std::memset(lv18, 0, sizeof(lv18));
97| 1| std::memset(lv12, 0, sizeof(lv12));
98| 1| std::memset(leaf, 0, sizeof(leaf));
99| 1|#endif
100| 1| int i = 0;
101| 1| for (; i + 64 < n; i += 64) {
^0
------------------
| Branch (101:10): [True: 0.00%, False: 100.00%]
------------------
102| 0| u32 a = _mm256_movemask_epi8(_mm256_cmpeq_epi8(
103| 0| _mm256_loadu_si256(reinterpret_cast<const __m256i_u *>(rd.p + i)),
104| 0| _mm256_set1_epi8('1')));
105| 0| u32 b = _mm256_movemask_epi8(_mm256_cmpeq_epi8(
106| 0| _mm256_loadu_si256(reinterpret_cast<const __m256i_u *>(rd.p + i + 32)),
107| 0| _mm256_set1_epi8('1')));
108| 0| leaf[i >> 6] = a | u64(b) << 32;
109| 0| }
110| 64| for (; i < n; ++i) leaf[i >> 6] |= u64(rd.p[i] - '0') << (i & 63);
^63 ^63
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| Branch (110:10): [True: 98.44%, False: 1.56%]
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111| 2| for (int i = 0; i <= (n - 1) / 64; ++i)
^1
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| Branch (111:19): [True: 50.00%, False: 50.00%]
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112| 1| lv12[i >> 6] |= u64(!!leaf[i]) << (i & 63);
113| 2| for (int i = 0; i <= (n - 1) / 64 / 64; ++i)
^1
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| Branch (113:19): [True: 50.00%, False: 50.00%]
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114| 1| lv18[i >> 6] |= u64(!!lv12[i]) << (i & 63);
115| 2| for (int i = 0; i <= (n - 1) / 64 / 64 / 64; ++i)
^1
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| Branch (115:19): [True: 50.00%, False: 50.00%]
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116| 1| root |= u64(!!lv18[i]) << (i & 63);
117| 1| rd.p += n + 1;
118| 100k| while (q--) {
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| Branch (118:10): [True: 100.00%, False: 0.00%]
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119| 100k| let t = rd.u1();
120| 100k| let k = rd.uh();
121| 100k| if (t == 0) {
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| Branch (121:9): [True: 20.09%, False: 79.91%]
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122| 20.0k| set(k);
123| 20.0k| }
124| 100k| if (t == 1) {
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| Branch (124:9): [True: 19.92%, False: 80.08%]
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125| 19.9k| unset(k);
126| 19.9k| }
127| 100k| if (t == 2) {
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| Branch (127:9): [True: 19.97%, False: 80.03%]
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128| 19.9k| let x = get(k);
129| 19.9k| wt.uw(x);
130| 19.9k| }
131| 100k| if (t == 3) {
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| Branch (131:9): [True: 19.95%, False: 80.05%]
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132| 19.9k| let x = nxt(k);
133| 19.9k| if (~x) {
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| Branch (133:11): [True: 98.40%, False: 1.60%]
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134| 19.6k| wt.uw(x);
135| 19.6k| } else {
136| 319| wt.puts(" -1", 3);
137| 319| }
138| 19.9k| }
139| 100k| if (t == 4) {
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| Branch (139:9): [True: 20.07%, False: 79.93%]
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140| 20.0k| let x = pre(k);
141| 20.0k| if (~x) {
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| Branch (141:11): [True: 98.30%, False: 1.70%]
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142| 19.7k| wt.uw(x);
143| 19.7k| } else {
144| 341| wt.puts(" -1", 3);
145| 341| }
146| 20.0k| }
147| 100k| }
148| 1| return 0;
149| 1|}