說明 - HackMD

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# 說明 ## Array to Matrix 了解一維陣列與二維陣列之關係及彼此的換算 ## 二維陣列的座標定義 - 以左上角為原點 - x 向右方向：0~15 - y 向正方向：0~15 - 計算 idx = 16 * y + x ### 燈板陣列定義 ```c 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 ``` ## Zig-zag 之字形順序 ```c 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 # 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 # 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 # 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 # 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 # 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 # 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 223 222 221 220 219 218 217 216 215 214 213 212 211 210 209 208 # 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 # ``` ## 上課用的燈板 ```c 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 # 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 223 222 221 220 219 218 217 216 215 214 213 212 211 210 209 208 # 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 # 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 # 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 # 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 # 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 # 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 # 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ``` ## 倒過來 ```c 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 # 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 # 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 # 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 # 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 # 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 # 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 # 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 # ``` ## 寫成程式碼 ### Z 字形 ```c= // Z 字形 const unsigned int mp[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180, 179, 178, 177, 176, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240 }; ``` ### X-Y (右上角原點) ```c= // X-Y (右上角原點) const unsigned int mp[] = { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67, 66, 65, 64, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, 97, 96, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 143, 142, 141, 140, 139, 138, 137, 136, 135, 134, 133, 132, 131, 130, 129, 128, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, 163, 162, 161, 160, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 207, 206, 205, 204, 203, 202, 201, 200, 199, 198, 197, 196, 195, 194, 193, 192, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 239, 238, 237, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255 }; ``` ### 上課用的燈板 (左下角原點) ```c= const unsigned int mp[] = { 255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180, 179, 178, 177, 176, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; ```

Cheatsheet

Syntax	Example	Reference
# Header	Header	基本排版
- Unordered List	Unordered List
1. Ordered List	Ordered List
- [ ] Todo List	Todo List
> Blockquote	Blockquote
Bold font	Bold font
Italics font	Italics font
~~Strikethrough~~	~~Strikethrough~~
19^th^	19^th
H~2~O	H₂O
++Inserted text++	Inserted text
==Marked text==	Marked text
[link text](https:// "title")	Link
![image alt](https:// "title")	Image
`Code`	`Code`	在筆記中貼入程式碼
```javascript var i = 0; ```	`var i = 0;`	在筆記中貼入程式碼
:smile:		Emoji list
{%youtube youtube_id %}	Externals
$L^aT_eX$	L^aT_eX
:::info This is a alert area. :::	This is a alert area.