/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| 1|void set(u32 x) {
12| 1| leaf[x >> 6] |= 1ull << (x & 63);
13| 1| lv12[x >> 12] |= 1ull << ((x >> 6) & 63);
14| 1| lv18[x >> 18] |= 1ull << ((x >> 12) & 63);
15| 1| root |= 1ull << (x >> 18);
16| 1|}
17| |
18| 1|void unset(u32 x) {
19| 1| 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| 1|}
24| |
25| 2|bool get(u32 x) { return leaf[x >> 6] & (1ull << (x & 63)); }
26| |
27| 2|u32 nxt(u32 x) {
28| 2| if (u64 tmp = leaf[x >> 6] & (-1ull << (x & 63)); !tmp) {
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| Branch (28:53): [True: 0.00%, False: 100.00%]
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29| 0| if (u64 tmp = lv12[x >> 12] & (-2ull << ((x >> 6) & 63)); !tmp) {
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| Branch (29:63): [True: 0.00%, False: 0.00%]
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30| 0| if (u64 tmp = lv18[x >> 18] & (-2ull << ((x >> 12) & 63)); !tmp) {
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| Branch (30:66): [True: 0.00%, False: 0.00%]
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31| 0| if (u64 tmp = root & (-2ull << (x >> 18)); !tmp) {
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| Branch (31:52): [True: 0.00%, False: 0.00%]
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32| 0| return -1;
33| 0| } 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| 0| } 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| 0| } 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| 2| } else {
52| 2| u32 ans = (x >> 6) << 6 | __builtin_ctzll(tmp);
53| 2| return ans;
54| 2| }
55| 2|}
56| |
57| 3|u32 pre(u32 x) {
58| 3| if (u64 tmp = leaf[x >> 6] & ~(-2ull << (x & 63)); !tmp) {
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| Branch (58:54): [True: 33.33%, False: 66.67%]
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59| 1| 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| 1| 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| 1| 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| 1| return -1;
63| 1| } 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| 1| } 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| 1| } 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| 2| } else {
82| 2| u32 ans = (x >> 6) << 6 | 63 - __builtin_clzll(tmp);
83| 2| return ans;
84| 2| }
85| 3|}
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
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| Branch (101:10): [True: 0.00%, False: 100.00%]
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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| 7| for (; i < n; ++i) leaf[i >> 6] |= u64(rd.p[i] - '0') << (i & 63);
^6 ^6
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| Branch (110:10): [True: 85.71%, False: 14.29%]
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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| 10| while (q--) {
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| Branch (118:10): [True: 90.00%, False: 10.00%]
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119| 9| let t = rd.u1();
120| 9| let k = rd.uh();
121| 9| if (t == 0) {
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| Branch (121:9): [True: 11.11%, False: 88.89%]
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122| 1| set(k);
123| 1| }
124| 9| if (t == 1) {
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| Branch (124:9): [True: 11.11%, False: 88.89%]
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125| 1| unset(k);
126| 1| }
127| 9| if (t == 2) {
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| Branch (127:9): [True: 22.22%, False: 77.78%]
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128| 2| let x = get(k);
129| 2| wt.uw(x);
130| 2| }
131| 9| if (t == 3) {
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| Branch (131:9): [True: 22.22%, False: 77.78%]
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132| 2| let x = nxt(k);
133| 2| if (~x) {
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| Branch (133:11): [True: 100.00%, False: 0.00%]
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134| 2| wt.uw(x);
135| 2| } else {
136| 0| wt.puts(" -1", 3);
137| 0| }
138| 2| }
139| 9| if (t == 4) {
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| Branch (139:9): [True: 33.33%, False: 66.67%]
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140| 3| let x = pre(k);
141| 3| if (~x) {
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| Branch (141:11): [True: 66.67%, False: 33.33%]
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142| 2| wt.uw(x);
143| 2| } else {
144| 1| wt.puts(" -1", 3);
145| 1| }
146| 3| }
147| 9| }
148| 1| return 0;
149| 1|}