feat: add `GROUP_ALL_CASES_SIZE`

src/klotski_core/ffi/tmain.cc

@@ -31,22 +31,39 @@ void tmain() {
 //    }
 //    std::cout << "sum = " << sum << std::endl;
 
-    for (uint32_t type_id = 0; type_id < 204; ++type_id) {
+//    for (uint32_t type_id = 0; type_id < 204; ++type_id) {
+//
+//        std::vector<uint64_t> codes;
+//        std::vector<uint64_t> codes_;
+//        for (auto &&t : Group::all_cases(type_id)) {
+//            codes.emplace_back(t.unwrap());
+//            codes_.emplace_back(t.unwrap());
+//        }
+//        std::sort(codes.begin(), codes.end());
+//
+//        if (codes != codes_) {
+//            std::cout << type_id << std::endl;
+//        }
+//    }
 
-        std::vector<uint64_t> codes;
-        std::vector<uint64_t> codes_;
-        for (auto &&t : Group::all_cases(type_id)) {
-            codes.emplace_back(t.unwrap());
-            codes_.emplace_back(t.unwrap());
-        }
-        std::sort(codes.begin(), codes.end());
+    std::vector<uint32_t> ret;
 
-        if (codes != codes_) {
-            std::cout << type_id << std::endl;
+    for (uint32_t type_id = 0; type_id < 204; ++type_id) {
+//        auto tmp = Group::block_num(type_id);
+//        std::cout << int(tmp.n_2x1 + tmp.n_1x2) << " ";
+//        std::cout << (int)tmp.n_1x1 << " ";
+//        std::cout << (int)tmp.n_1x2 << " ";
+//        std::cout << Group::all_cases(type_id).size() << std::endl;
+        ret.emplace_back(Group::all_cases(type_id).size());
     }
-//        std::cout << (codes == codes_) << std::endl;
 
+    for (uint32_t i = 0; i < ret.size(); ++i) {
+        printf("%06d, ", ret[i]);
+        if (i % 8 == 7) {
+            printf("\n");
         }
+    }
+
 
 //    auto cases = std::vector<RawCode>();
 //    auto common_codes = AllCases::release();

src/klotski_core/group/block_num.cc

@@ -70,4 +70,3 @@ Group::block_num_t Group::block_num(const CommonCode &common_code) {
 }
 
 } // namespace klotski
-

src/klotski_core/group/group.cc

@@ -5,6 +5,8 @@
 #include "absl/container/flat_hash_map.h"
 #include "common.h"
 
+#include "size.h"
+
 namespace klotski {
 
 using klotski::AllCases;
@@ -27,7 +29,7 @@ std::vector<CommonCode> Group::all_cases(uint32_t type_id) {
     }
 
     std::vector<CommonCode> all_cases;
-    // TODO: all_cases pre-allocated
+    all_cases.reserve(GROUP_ALL_CASES_SIZE[type_id]);
     for (uint64_t head = 0; head < 15; ++head) { // address of 2x2 block
         /// head -> 0/1/2 / 4/5/6 / 8/9/10 / 12/13/14
         if ((head & 0b11) == 0b11) {

src/klotski_core/group/size.h

@@ -0,0 +1,34 @@
+#pragma once
+
+namespace klotski {
+
+const uint32_t GROUP_ALL_CASES_SIZE[204] = {
+        12,    192,   1440,   6720,  21840,  52416,  96096, 137280,
+    154440, 137280,  96096,  52416,  21840,   6720,   1440,    124,
+      1736,  11284,  45136, 124124, 248248, 372372, 425568, 372372,
+    248248, 124124,  45136,  11284,    132,   1848,  12012,  48048,
+    132132, 264264, 396396, 453024, 396396, 264264, 132132,  48048,
+     12012,    512,   6144,  33792, 112640, 253440, 405504, 473088,
+    405504, 253440, 112640,  33792,   1044,  12528,  68904, 229680,
+    516780, 826848, 964656, 826848, 516780, 229680,  68904,    582,
+      6984,  38412, 128040, 288090, 460944, 537768, 460944, 288090,
+    128040,  38412,   1092,  10920,  49140, 131040, 229320, 275184,
+    229320, 131040,  49140,   3180,  31800, 143100, 381600, 667800,
+    801360, 667800, 381600, 143100,   3382,  33820, 152190, 405840,
+    710220, 852264, 710220, 405840, 152190,   1320,  13200,  59400,
+    158400, 277200, 332640, 277200, 158400,  59400,   1320,  10560,
+     36960,  73920,  92400,  73920,  36960,   4680,  37440, 131040,
+    262080, 327600, 262080, 131040,   7248,  57984, 202944, 405888,
+    507360, 405888, 202944,   5344,  42752, 149632, 299264, 374080,
+    299264, 149632,   1632,  13056,  45696,  91392, 114240,  91392,
+     45696,    948,   5688,  14220,  18960,  14220,   3444,  20664,
+     51660,  68880,  51660,   7120,  42720, 106800, 142400, 106800,
+      7284,  43704, 109260, 145680, 109260,   4392,  26352,  65880,
+     87840,  65880,   1044,   6264,  15660,  20880,  15660,    396,
+      1584,   2376,   1260,   5040,   7560,   3084,  12336,  18504,
+      4288,  17152,  25728,   3196,  12784,  19176,   1836,   7344,
+     11016,    270,   1080,   1620,     88,    180,    626,    772,
+      1036,    464,    342,      0,
+};
+
+} // namespace klotski

test/group/group.cc

@@ -60,3 +60,12 @@ TEST(Group, block_num) {
     auto block_num_md5 = md5(block_num_data.c_str(), block_num_data.size());
     EXPECT_STREQ(block_num_md5.c_str(), BLOCK_NUM_MD5);
 }
+
+TEST(Group, all_cases) {
+
+    // TODO: all_cases number
+    // TODO: combine test
+    // TODO: data order
+    // TODO: test every cases (type_id)
+
+}