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@ -7,8 +7,8 @@ |
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using klotski::cases::Ranges; |
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using klotski::cases::Ranges; |
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/// Check whether the combination of head and range is valid.
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int Ranges::check(const int head, uint32_t range) { |
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static int check_range(const int head, uint32_t range) { |
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KLSK_ASSUME(head >= 0 && head < 16 && head % 4 != 3); |
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uint32_t flags = 0b110011 << head; // fill 2x2 block
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uint32_t flags = 0b110011 << head; // fill 2x2 block
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for (int addr = 0, offset = 1; range; range >>= 2, ++offset) { // traverse every 2-bit
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for (int addr = 0, offset = 1; range; range >>= 2, ++offset) { // traverse every 2-bit
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const auto num = std::countr_one(flags); |
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const auto num = std::countr_one(flags); |
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@ -35,169 +35,86 @@ static int check_range(const int head, uint32_t range) { |
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return 0; // pass check
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return 0; // pass check
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} |
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} |
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// 0: [7, 8, 9, 10, 11, 12, 13, 14, 15]
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// int check_range(const int head, uint32_t range) {
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// 1: [9, 10, 11, 12, 13, 14]
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// KLSK_ASSUME(head >= 0 && head < 16 && head % 4 != 3);
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// 2: [8, 9, 10, 11, 12, 13]
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// uint32_t flags = 0b110011 << head; // fill 2x2 block
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// 3: [7, 8, 9, 10, 11, 12]
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// for (int addr = 0, offset = 1; range; range >>= 2, ++offset) { // traverse every 2-bit
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// 5: [8, 9, 10, 11, 12, 13]
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// const auto num = std::countr_one(flags);
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// 10: [7, 8, 9, 10, 11, 12]
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// addr += num; // next unfilled block
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// 15: [8, 9, 10, 11, 12]
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// flags >>= num;
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// switch (range & 0b11) {
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// 190: [5, 6, 7, 8]
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// case 0b00: // space
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// 284: [6, 7, 8]
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// case 0b11: // 1x1 block
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// 327: [6, 7, 8]
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// flags |= 0b1;
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// 591: [5, 6, 7, 8]
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// continue;
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// 810: [5, 6, 7, 8]
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// case 0b01: // 1x2 block
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// 895: [6, 7, 8]
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// if (flags & 0b10 || addr % 4 == 3) { // invalid case
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// 1784: [4, 5, 6, 7]
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// return offset; // broken offset
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// 2276: [5, 6, 7]
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// }
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// 2447: [5, 6, 7]
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// flags |= 0b11;
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// 5245: [4, 5, 6]
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// continue;
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// 6346: [4, 5, 6]
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// case 0b10: // 2x1 block
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// 6687: [5, 6]
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// if (flags & 0b10000 || addr > 15) { // invalid case
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// 15162: [3, 4, 5]
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// return offset; // broken offset
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// 17588: [4, 5]
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// }
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// 18271: [4, 5]
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// flags |= 0b10001;
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// 43243: [3, 4]
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// }
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// 48548: [3]
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// }
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// 48554: [3, 4]
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// return 0; // pass check
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// 49919: [4]
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// }
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// 122103: [2]
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// 122124: [2, 3]
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// 133652: [3]
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// 136382: [3]
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// 342265: [2]
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// 367139: [2]
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void klotski::cases::derive_demo(const std::vector<uint32_t> &range, const std::vector<uint32_t> &reversed, std::vector<uint32_t> &output, int head) { |
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uint32_t reversed_max = reversed.back(); |
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for (uint32_t index = 0; index < range.size(); ++index) { |
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if (const auto offset = check_range(head, range[index])) { // invalid case
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if (offset > 14) { |
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continue; |
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} |
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// uint32_t index_bak = index;
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void Ranges::derive(const int head, Ranges &output) const { |
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int left_offset = (16 - offset) * 2; |
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uint32_t min_next = ((reversed[index] >> left_offset) + 1) << left_offset; |
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// min_next = std::min(min_next, reversed_max);
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// std::cout << min_next << " vs " << reversed_max << std::endl;
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if (offset > 5) { |
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// Ranges reversed {*this};
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while (reversed[++index] < min_next) { // located next range
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//
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// if (index > range.size()) {
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// for (auto &x : reversed) {
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// std::cout << "get it" << std::endl;
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// x = klotski::range_reverse(x);
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// }
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// }
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} |
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--index; |
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} else { |
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auto begin = reversed.begin() + index; |
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auto kk = std::lower_bound(begin, reversed.end(), min_next) - begin; |
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index += kk - 1; |
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} |
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// std::cout << index << " vs " << index_bak << std::endl;
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// auto end_distance = range.size() - index;
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// std::cout << "last = " << range_reverse(this->back()) << std::endl;
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// auto real_distance = index - index_bak;
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// std::cout << std::format("{} {} {}", head, real_distance, offset) << std::endl;
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// auto &ranges = *this;
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// std::cout << real_distance << " vs " << end_distance << std::endl;
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// uint32_t min_next = 0;
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uint32_t last_val = range_reverse(this->back()); |
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// uint32_t tmp = 1U << (32 - offset * 2); // distance to next possible range
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for (uint32_t index = 0; index < size(); ++index) { |
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if (const auto offset = check(head, (*this)[index])) { // invalid case
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uint32_t tmp = 1U << (32 - offset * 2); // distance to next possible range
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/// !! <- broken
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/// !! <- broken
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/// ( xx xx xx ) xx xx xx ... [reversed range]
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/// ( xx xx xx ) xx xx xx ... [reversed range]
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/// +1 00 00 00 ... (delta)
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/// +1 00 00 00 ... (delta)
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// tmp += range_reverse(range[index]) & ~(tmp - 1);
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tmp += range_reverse((*this)[index]) & ~(tmp - 1); |
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// TODO: overflow here in some type_id
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// TODO: -> tmp > range[-1]
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// TODO: maybe using binary search here
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// while (range_reverse(range[++index]) < tmp) {} // located next range
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// --index;
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continue; |
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} |
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output.emplace_back(range_reverse(range[index])); // release valid case
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} |
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} |
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void klotski::cases::derive_demo_pro(const klotski::cases::BidiRanges &bidi_range, std::vector<uint32_t> &output, int head) { |
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// std::cout << "min next = " << tmp << std::endl;
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for (uint32_t index = 0; index < bidi_range.size(); ++index) { |
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if (const auto offset = check_range(head, bidi_range[index].r1)) { // invalid case
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// if (offset > 14) {
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// if (min_next > tmp) {
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// continue;
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// std::cout << "error" << std::endl;
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// }
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// }
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auto min_next = tmp; |
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// uint32_t index_bak = index;
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// const int tmp = (16 - offset) * 2;
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// const uint32_t min_next = ((range_reverse((*this)[index]) >> tmp) + 1) << tmp;
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int left_offset = (16 - offset) * 2; |
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uint32_t min_next = ((bidi_range[index].r2 >> left_offset) + 1) << left_offset; |
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// min_next = std::min(min_next, reversed_max);
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// std::cout << min_next << " vs " << reversed_max << std::endl;
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// if (offset > 5) {
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if (min_next > last_val) { |
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while (bidi_range[++index].r2 < min_next) { // located next range
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// if (index > range.size()) {
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// std::cout << "get it" << std::endl;
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// std::cout << "get it" << std::endl;
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// }
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break; |
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// return;
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} |
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} |
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--index; |
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// } else {
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// auto begin = reversed.begin() + index;
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// auto kk = std::lower_bound(begin, reversed.end(), min_next) - begin;
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// index += kk - 1;
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// }
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// std::cout << index << " vs " << index_bak << std::endl;
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// auto end_distance = range.size() - index;
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// auto real_distance = index - index_bak;
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// std::cout << std::format("{} {} {}", head, real_distance, offset) << std::endl;
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// std::cout << real_distance << " vs " << end_distance << std::endl;
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// uint32_t tmp = 1U << (32 - offset * 2); // distance to next possible range
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/// !! <- broken
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/// ( xx xx xx ) xx xx xx ... [reversed range]
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/// +1 00 00 00 ... (delta)
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// tmp += range_reverse(range[index]) & ~(tmp - 1);
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// TODO: overflow here in some type_id
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// TODO: overflow here in some type_id
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// TODO: -> tmp > range[-1]
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// TODO: -> tmp > range[-1]
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// TODO: maybe using binary search here
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// TODO: maybe using binary search here
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// while (range_reverse(range[++index]) < tmp) {} // located next range
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while (range_reverse((*this)[++index]) < min_next) {} // located next range
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// --index;
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--index; |
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continue; |
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continue; |
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} |
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} |
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output.emplace_back(bidi_range[index].r2); // release valid case
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output.emplace_back(range_reverse((*this)[index])); // release valid case
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} |
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} |
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} |
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void Ranges::derive(const int head, Ranges &output) const { |
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// std::cout << "min_next = " << min_next << " | last_val = " << last_val << std::endl;
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for (uint32_t index = 0; index < size(); ++index) { |
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if (const auto offset = check_range(head, (*this)[index])) { // invalid case
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uint32_t tmp = 1U << (32 - offset * 2); // distance to next possible range
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/// !! <- broken
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/// ( xx xx xx ) xx xx xx ... [reversed range]
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/// +1 00 00 00 ... (delta)
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tmp += range_reverse((*this)[index]) & ~(tmp - 1); |
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// TODO: overflow here in some type_id
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// std::cout << (min_next <= last_val) << std::endl;
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// TODO: -> tmp > range[-1]
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// TODO: maybe using binary search here
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// while (range_reverse((*this)[++index]) < tmp) {} // located next range
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// --index;
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continue; |
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} |
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output.emplace_back(range_reverse((*this)[index])); // release valid case
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} |
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} |
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} |
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Dnomd343
7 months ago