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week2.html 390 kB

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  1. <!doctype html>
  2. <html>
  3. <head>
  4. <meta charset='UTF-8'><meta name='viewport' content='width=device-width initial-scale=1'>
  5. <title>week2</title><link href='https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext' rel='stylesheet' type='text/css' /><style type='text/css'>html {overflow-x: initial !important;}:root { --bg-color:#ffffff; --text-color:#333333; --select-text-bg-color:#B5D6FC; --select-text-font-color:auto; --monospace:"Lucida Console",Consolas,"Courier",monospace; --title-bar-height:20px; }
  6. .mac-os-11 { --title-bar-height:28px; }
  7. html { font-size: 14px; background-color: var(--bg-color); color: var(--text-color); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
  8. body { margin: 0px; padding: 0px; height: auto; bottom: 0px; top: 0px; left: 0px; right: 0px; font-size: 1rem; line-height: 1.42857; overflow-x: hidden; background: inherit; tab-size: 4; }
  9. iframe { margin: auto; }
  10. a.url { word-break: break-all; }
  11. a:active, a:hover { outline: 0px; }
  12. .in-text-selection, ::selection { text-shadow: none; background: var(--select-text-bg-color); color: var(--select-text-font-color); }
  13. #write { margin: 0px auto; height: auto; width: inherit; word-break: normal; overflow-wrap: break-word; position: relative; white-space: normal; overflow-x: visible; padding-top: 36px; }
  14. #write.first-line-indent p { text-indent: 2em; }
  15. #write.first-line-indent li p, #write.first-line-indent p * { text-indent: 0px; }
  16. #write.first-line-indent li { margin-left: 2em; }
  17. .for-image #write { padding-left: 8px; padding-right: 8px; }
  18. body.typora-export { padding-left: 30px; padding-right: 30px; }
  19. .typora-export .footnote-line, .typora-export li, .typora-export p { white-space: pre-wrap; }
  20. .typora-export .task-list-item input { pointer-events: none; }
  21. @media screen and (max-width: 500px) {
  22. body.typora-export { padding-left: 0px; padding-right: 0px; }
  23. #write { padding-left: 20px; padding-right: 20px; }
  24. .CodeMirror-sizer { margin-left: 0px !important; }
  25. .CodeMirror-gutters { display: none !important; }
  26. }
  27. #write li > figure:last-child { margin-bottom: 0.5rem; }
  28. #write ol, #write ul { position: relative; }
  29. img { max-width: 100%; vertical-align: middle; image-orientation: from-image; }
  30. button, input, select, textarea { color: inherit; font: inherit; }
  31. input[type="checkbox"], input[type="radio"] { line-height: normal; padding: 0px; }
  32. *, ::after, ::before { box-sizing: border-box; }
  33. #write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p, #write pre { width: inherit; }
  34. #write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p { position: relative; }
  35. p { line-height: inherit; }
  36. h1, h2, h3, h4, h5, h6 { break-after: avoid-page; break-inside: avoid; orphans: 4; }
  37. p { orphans: 4; }
  38. h1 { font-size: 2rem; }
  39. h2 { font-size: 1.8rem; }
  40. h3 { font-size: 1.6rem; }
  41. h4 { font-size: 1.4rem; }
  42. h5 { font-size: 1.2rem; }
  43. h6 { font-size: 1rem; }
  44. .md-math-block, .md-rawblock, h1, h2, h3, h4, h5, h6, p { margin-top: 1rem; margin-bottom: 1rem; }
  45. .hidden { display: none; }
  46. .md-blockmeta { color: rgb(204, 204, 204); font-weight: 700; font-style: italic; }
  47. a { cursor: pointer; }
  48. sup.md-footnote { padding: 2px 4px; background-color: rgba(238, 238, 238, 0.7); color: rgb(85, 85, 85); border-radius: 4px; cursor: pointer; }
  49. sup.md-footnote a, sup.md-footnote a:hover { color: inherit; text-transform: inherit; text-decoration: inherit; }
  50. #write input[type="checkbox"] { cursor: pointer; width: inherit; height: inherit; }
  51. figure { overflow-x: auto; margin: 1.2em 0px; max-width: calc(100% + 16px); padding: 0px; }
  52. figure > table { margin: 0px; }
  53. tr { break-inside: avoid; break-after: auto; }
  54. thead { display: table-header-group; }
  55. table { border-collapse: collapse; border-spacing: 0px; width: 100%; overflow: auto; break-inside: auto; text-align: left; }
  56. table.md-table td { min-width: 32px; }
  57. .CodeMirror-gutters { border-right: 0px; background-color: inherit; }
  58. .CodeMirror-linenumber { user-select: none; }
  59. .CodeMirror { text-align: left; }
  60. .CodeMirror-placeholder { opacity: 0.3; }
  61. .CodeMirror pre { padding: 0px 4px; }
  62. .CodeMirror-lines { padding: 0px; }
  63. div.hr:focus { cursor: none; }
  64. #write pre { white-space: pre-wrap; }
  65. #write.fences-no-line-wrapping pre { white-space: pre; }
  66. #write pre.ty-contain-cm { white-space: normal; }
  67. .CodeMirror-gutters { margin-right: 4px; }
  68. .md-fences { font-size: 0.9rem; display: block; break-inside: avoid; text-align: left; overflow: visible; white-space: pre; background: inherit; position: relative !important; }
  69. .md-diagram-panel { width: 100%; margin-top: 10px; text-align: center; padding-top: 0px; padding-bottom: 8px; overflow-x: auto; }
  70. #write .md-fences.mock-cm { white-space: pre-wrap; }
  71. .md-fences.md-fences-with-lineno { padding-left: 0px; }
  72. #write.fences-no-line-wrapping .md-fences.mock-cm { white-space: pre; overflow-x: auto; }
  73. .md-fences.mock-cm.md-fences-with-lineno { padding-left: 8px; }
  74. .CodeMirror-line, twitterwidget { break-inside: avoid; }
  75. .footnotes { opacity: 0.8; font-size: 0.9rem; margin-top: 1em; margin-bottom: 1em; }
  76. .footnotes + .footnotes { margin-top: 0px; }
  77. .md-reset { margin: 0px; padding: 0px; border: 0px; outline: 0px; vertical-align: top; background: 0px 0px; text-decoration: none; text-shadow: none; float: none; position: static; width: auto; height: auto; white-space: nowrap; cursor: inherit; -webkit-tap-highlight-color: transparent; line-height: normal; font-weight: 400; text-align: left; box-sizing: content-box; direction: ltr; }
  78. li div { padding-top: 0px; }
  79. blockquote { margin: 1rem 0px; }
  80. li .mathjax-block, li p { margin: 0.5rem 0px; }
  81. li blockquote { margin: 1rem 0px; }
  82. li { margin: 0px; position: relative; }
  83. blockquote > :last-child { margin-bottom: 0px; }
  84. blockquote > :first-child, li > :first-child { margin-top: 0px; }
  85. .footnotes-area { color: rgb(136, 136, 136); margin-top: 0.714rem; padding-bottom: 0.143rem; white-space: normal; }
  86. #write .footnote-line { white-space: pre-wrap; }
  87. @media print {
  88. body, html { border: 1px solid transparent; height: 99%; break-after: avoid; break-before: avoid; font-variant-ligatures: no-common-ligatures; }
  89. #write { margin-top: 0px; padding-top: 0px; border-color: transparent !important; }
  90. .typora-export * { -webkit-print-color-adjust: exact; }
  91. .typora-export #write { break-after: avoid; }
  92. .typora-export #write::after { height: 0px; }
  93. .is-mac table { break-inside: avoid; }
  94. }
  95. .footnote-line { margin-top: 0.714em; font-size: 0.7em; }
  96. a img, img a { cursor: pointer; }
  97. pre.md-meta-block { font-size: 0.8rem; min-height: 0.8rem; white-space: pre-wrap; background: rgb(204, 204, 204); display: block; overflow-x: hidden; }
  98. p > .md-image:only-child:not(.md-img-error) img, p > img:only-child { display: block; margin: auto; }
  99. #write.first-line-indent p > .md-image:only-child:not(.md-img-error) img { left: -2em; position: relative; }
  100. p > .md-image:only-child { display: inline-block; width: 100%; }
  101. #write .MathJax_Display { margin: 0.8em 0px 0px; }
  102. .md-math-block { width: 100%; }
  103. .md-math-block:not(:empty)::after { display: none; }
  104. .MathJax_ref { fill: currentcolor; }
  105. [contenteditable="true"]:active, [contenteditable="true"]:focus, [contenteditable="false"]:active, [contenteditable="false"]:focus { outline: 0px; box-shadow: none; }
  106. .md-task-list-item { position: relative; list-style-type: none; }
  107. .task-list-item.md-task-list-item { padding-left: 0px; }
  108. .md-task-list-item > input { position: absolute; top: 0px; left: 0px; margin-left: -1.2em; margin-top: calc(1em - 10px); border: none; }
  109. .math { font-size: 1rem; }
  110. .md-toc { min-height: 3.58rem; position: relative; font-size: 0.9rem; border-radius: 10px; }
  111. .md-toc-content { position: relative; margin-left: 0px; }
  112. .md-toc-content::after, .md-toc::after { display: none; }
  113. .md-toc-item { display: block; color: rgb(65, 131, 196); }
  114. .md-toc-item a { text-decoration: none; }
  115. .md-toc-inner:hover { text-decoration: underline; }
  116. .md-toc-inner { display: inline-block; cursor: pointer; }
  117. .md-toc-h1 .md-toc-inner { margin-left: 0px; font-weight: 700; }
  118. .md-toc-h2 .md-toc-inner { margin-left: 2em; }
  119. .md-toc-h3 .md-toc-inner { margin-left: 4em; }
  120. .md-toc-h4 .md-toc-inner { margin-left: 6em; }
  121. .md-toc-h5 .md-toc-inner { margin-left: 8em; }
  122. .md-toc-h6 .md-toc-inner { margin-left: 10em; }
  123. @media screen and (max-width: 48em) {
  124. .md-toc-h3 .md-toc-inner { margin-left: 3.5em; }
  125. .md-toc-h4 .md-toc-inner { margin-left: 5em; }
  126. .md-toc-h5 .md-toc-inner { margin-left: 6.5em; }
  127. .md-toc-h6 .md-toc-inner { margin-left: 8em; }
  128. }
  129. a.md-toc-inner { font-size: inherit; font-style: inherit; font-weight: inherit; line-height: inherit; }
  130. .footnote-line a:not(.reversefootnote) { color: inherit; }
  131. .md-attr { display: none; }
  132. .md-fn-count::after { content: "."; }
  133. code, pre, samp, tt { font-family: var(--monospace); }
  134. kbd { margin: 0px 0.1em; padding: 0.1em 0.6em; font-size: 0.8em; color: rgb(36, 39, 41); background: rgb(255, 255, 255); border: 1px solid rgb(173, 179, 185); border-radius: 3px; box-shadow: rgba(12, 13, 14, 0.2) 0px 1px 0px, rgb(255, 255, 255) 0px 0px 0px 2px inset; white-space: nowrap; vertical-align: middle; }
  135. .md-comment { color: rgb(162, 127, 3); opacity: 0.8; font-family: var(--monospace); }
  136. code { text-align: left; vertical-align: initial; }
  137. a.md-print-anchor { white-space: pre !important; border-width: initial !important; border-style: none !important; border-color: initial !important; display: inline-block !important; position: absolute !important; width: 1px !important; right: 0px !important; outline: 0px !important; background: 0px 0px !important; text-decoration: initial !important; text-shadow: initial !important; }
  138. .md-inline-math .MathJax_SVG .noError { display: none !important; }
  139. .html-for-mac .inline-math-svg .MathJax_SVG { vertical-align: 0.2px; }
  140. .md-math-block .MathJax_SVG_Display { text-align: center; margin: 0px; position: relative; text-indent: 0px; max-width: none; max-height: none; min-height: 0px; min-width: 100%; width: auto; overflow-y: hidden; display: block !important; }
  141. .MathJax_SVG_Display, .md-inline-math .MathJax_SVG_Display { width: auto; margin: inherit; display: inline-block !important; }
  142. .MathJax_SVG .MJX-monospace { font-family: var(--monospace); }
  143. .MathJax_SVG .MJX-sans-serif { font-family: sans-serif; }
  144. .MathJax_SVG { display: inline; font-style: normal; font-weight: 400; line-height: normal; zoom: 90%; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; }
  145. .MathJax_SVG * { transition: none 0s ease 0s; }
  146. .MathJax_SVG_Display svg { vertical-align: middle !important; margin-bottom: 0px !important; margin-top: 0px !important; }
  147. .os-windows.monocolor-emoji .md-emoji { font-family: "Segoe UI Symbol", sans-serif; }
  148. .md-diagram-panel > svg { max-width: 100%; }
  149. [lang="flow"] svg, [lang="mermaid"] svg { max-width: 100%; height: auto; }
  150. [lang="mermaid"] .node text { font-size: 1rem; }
  151. table tr th { border-bottom: 0px; }
  152. video { max-width: 100%; display: block; margin: 0px auto; }
  153. iframe { max-width: 100%; width: 100%; border: none; }
  154. .highlight td, .highlight tr { border: 0px; }
  155. mark { background: rgb(255, 255, 0); color: rgb(0, 0, 0); }
  156. .md-html-inline .md-plain, .md-html-inline strong, mark .md-inline-math, mark strong { color: inherit; }
  157. mark .md-meta { color: rgb(0, 0, 0); opacity: 0.3 !important; }
  158. @media print {
  159. .typora-export h1, .typora-export h2, .typora-export h3, .typora-export h4, .typora-export h5, .typora-export h6 { break-inside: avoid; }
  160. }
  161. .md-diagram-panel .messageText { stroke: none !important; }
  162. .md-diagram-panel .start-state { fill: var(--node-fill); }
  163. .md-diagram-panel .edgeLabel rect { opacity: 1 !important; }
  164. .md-require-zoom-fix foreignobject { font-size: var(--mermaid-font-zoom); }
  165. :root {
  166. --side-bar-bg-color: #fafafa;
  167. --control-text-color: #777;
  168. }
  169. @include-when-export url(https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext);
  170. /* open-sans-regular - latin-ext_latin */
  171. /* open-sans-italic - latin-ext_latin */
  172. /* open-sans-700 - latin-ext_latin */
  173. /* open-sans-700italic - latin-ext_latin */
  174. html {
  175. font-size: 16px;
  176. }
  177. body {
  178. font-family: "Open Sans","Clear Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  179. color: rgb(51, 51, 51);
  180. line-height: 1.6;
  181. }
  182. #write {
  183. max-width: 860px;
  184. margin: 0 auto;
  185. padding: 30px;
  186. padding-bottom: 100px;
  187. }
  188. @media only screen and (min-width: 1400px) {
  189. #write {
  190. max-width: 1024px;
  191. }
  192. }
  193. @media only screen and (min-width: 1800px) {
  194. #write {
  195. max-width: 1200px;
  196. }
  197. }
  198. #write > ul:first-child,
  199. #write > ol:first-child{
  200. margin-top: 30px;
  201. }
  202. a {
  203. color: #4183C4;
  204. }
  205. h1,
  206. h2,
  207. h3,
  208. h4,
  209. h5,
  210. h6 {
  211. position: relative;
  212. margin-top: 1rem;
  213. margin-bottom: 1rem;
  214. font-weight: bold;
  215. line-height: 1.4;
  216. cursor: text;
  217. }
  218. h1:hover a.anchor,
  219. h2:hover a.anchor,
  220. h3:hover a.anchor,
  221. h4:hover a.anchor,
  222. h5:hover a.anchor,
  223. h6:hover a.anchor {
  224. text-decoration: none;
  225. }
  226. h1 tt,
  227. h1 code {
  228. font-size: inherit;
  229. }
  230. h2 tt,
  231. h2 code {
  232. font-size: inherit;
  233. }
  234. h3 tt,
  235. h3 code {
  236. font-size: inherit;
  237. }
  238. h4 tt,
  239. h4 code {
  240. font-size: inherit;
  241. }
  242. h5 tt,
  243. h5 code {
  244. font-size: inherit;
  245. }
  246. h6 tt,
  247. h6 code {
  248. font-size: inherit;
  249. }
  250. h1 {
  251. font-size: 2.25em;
  252. line-height: 1.2;
  253. border-bottom: 1px solid #eee;
  254. }
  255. h2 {
  256. font-size: 1.75em;
  257. line-height: 1.225;
  258. border-bottom: 1px solid #eee;
  259. }
  260. /*@media print {
  261. .typora-export h1,
  262. .typora-export h2 {
  263. border-bottom: none;
  264. padding-bottom: initial;
  265. }
  266. .typora-export h1::after,
  267. .typora-export h2::after {
  268. content: "";
  269. display: block;
  270. height: 100px;
  271. margin-top: -96px;
  272. border-top: 1px solid #eee;
  273. }
  274. }*/
  275. h3 {
  276. font-size: 1.5em;
  277. line-height: 1.43;
  278. }
  279. h4 {
  280. font-size: 1.25em;
  281. }
  282. h5 {
  283. font-size: 1em;
  284. }
  285. h6 {
  286. font-size: 1em;
  287. color: #777;
  288. }
  289. p,
  290. blockquote,
  291. ul,
  292. ol,
  293. dl,
  294. table{
  295. margin: 0.8em 0;
  296. }
  297. li>ol,
  298. li>ul {
  299. margin: 0 0;
  300. }
  301. hr {
  302. height: 2px;
  303. padding: 0;
  304. margin: 16px 0;
  305. background-color: #e7e7e7;
  306. border: 0 none;
  307. overflow: hidden;
  308. box-sizing: content-box;
  309. }
  310. li p.first {
  311. display: inline-block;
  312. }
  313. ul,
  314. ol {
  315. padding-left: 30px;
  316. }
  317. ul:first-child,
  318. ol:first-child {
  319. margin-top: 0;
  320. }
  321. ul:last-child,
  322. ol:last-child {
  323. margin-bottom: 0;
  324. }
  325. blockquote {
  326. border-left: 4px solid #dfe2e5;
  327. padding: 0 15px;
  328. color: #777777;
  329. }
  330. blockquote blockquote {
  331. padding-right: 0;
  332. }
  333. table {
  334. padding: 0;
  335. word-break: initial;
  336. }
  337. table tr {
  338. border-top: 1px solid #dfe2e5;
  339. margin: 0;
  340. padding: 0;
  341. }
  342. table tr:nth-child(2n),
  343. thead {
  344. background-color: #f8f8f8;
  345. }
  346. table th {
  347. font-weight: bold;
  348. border: 1px solid #dfe2e5;
  349. border-bottom: 0;
  350. margin: 0;
  351. padding: 6px 13px;
  352. }
  353. table td {
  354. border: 1px solid #dfe2e5;
  355. margin: 0;
  356. padding: 6px 13px;
  357. }
  358. table th:first-child,
  359. table td:first-child {
  360. margin-top: 0;
  361. }
  362. table th:last-child,
  363. table td:last-child {
  364. margin-bottom: 0;
  365. }
  366. .CodeMirror-lines {
  367. padding-left: 4px;
  368. }
  369. .code-tooltip {
  370. box-shadow: 0 1px 1px 0 rgba(0,28,36,.3);
  371. border-top: 1px solid #eef2f2;
  372. }
  373. .md-fences,
  374. code,
  375. tt {
  376. border: 1px solid #e7eaed;
  377. background-color: #f8f8f8;
  378. border-radius: 3px;
  379. padding: 0;
  380. padding: 2px 4px 0px 4px;
  381. font-size: 0.9em;
  382. }
  383. code {
  384. background-color: #f3f4f4;
  385. padding: 0 2px 0 2px;
  386. }
  387. .md-fences {
  388. margin-bottom: 15px;
  389. margin-top: 15px;
  390. padding-top: 8px;
  391. padding-bottom: 6px;
  392. }
  393. .md-task-list-item > input {
  394. margin-left: -1.3em;
  395. }
  396. @media print {
  397. html {
  398. font-size: 13px;
  399. }
  400. table,
  401. pre {
  402. page-break-inside: avoid;
  403. }
  404. pre {
  405. word-wrap: break-word;
  406. }
  407. }
  408. .md-fences {
  409. background-color: #f8f8f8;
  410. }
  411. #write pre.md-meta-block {
  412. padding: 1rem;
  413. font-size: 85%;
  414. line-height: 1.45;
  415. background-color: #f7f7f7;
  416. border: 0;
  417. border-radius: 3px;
  418. color: #777777;
  419. margin-top: 0 !important;
  420. }
  421. .mathjax-block>.code-tooltip {
  422. bottom: .375rem;
  423. }
  424. .md-mathjax-midline {
  425. background: #fafafa;
  426. }
  427. #write>h3.md-focus:before{
  428. left: -1.5625rem;
  429. top: .375rem;
  430. }
  431. #write>h4.md-focus:before{
  432. left: -1.5625rem;
  433. top: .285714286rem;
  434. }
  435. #write>h5.md-focus:before{
  436. left: -1.5625rem;
  437. top: .285714286rem;
  438. }
  439. #write>h6.md-focus:before{
  440. left: -1.5625rem;
  441. top: .285714286rem;
  442. }
  443. .md-image>.md-meta {
  444. /*border: 1px solid #ddd;*/
  445. border-radius: 3px;
  446. padding: 2px 0px 0px 4px;
  447. font-size: 0.9em;
  448. color: inherit;
  449. }
  450. .md-tag {
  451. color: #a7a7a7;
  452. opacity: 1;
  453. }
  454. .md-toc {
  455. margin-top:20px;
  456. padding-bottom:20px;
  457. }
  458. .sidebar-tabs {
  459. border-bottom: none;
  460. }
  461. #typora-quick-open {
  462. border: 1px solid #ddd;
  463. background-color: #f8f8f8;
  464. }
  465. #typora-quick-open-item {
  466. background-color: #FAFAFA;
  467. border-color: #FEFEFE #e5e5e5 #e5e5e5 #eee;
  468. border-style: solid;
  469. border-width: 1px;
  470. }
  471. /** focus mode */
  472. .on-focus-mode blockquote {
  473. border-left-color: rgba(85, 85, 85, 0.12);
  474. }
  475. header, .context-menu, .megamenu-content, footer{
  476. font-family: "Segoe UI", "Arial", sans-serif;
  477. }
  478. .file-node-content:hover .file-node-icon,
  479. .file-node-content:hover .file-node-open-state{
  480. visibility: visible;
  481. }
  482. .mac-seamless-mode #typora-sidebar {
  483. background-color: #fafafa;
  484. background-color: var(--side-bar-bg-color);
  485. }
  486. .md-lang {
  487. color: #b4654d;
  488. }
  489. .html-for-mac .context-menu {
  490. --item-hover-bg-color: #E6F0FE;
  491. }
  492. #md-notification .btn {
  493. border: 0;
  494. }
  495. .dropdown-menu .divider {
  496. border-color: #e5e5e5;
  497. }
  498. .ty-preferences .window-content {
  499. background-color: #fafafa;
  500. }
  501. .ty-preferences .nav-group-item.active {
  502. color: white;
  503. background: #999;
  504. }
  505. </style>
  506. </head>
  507. <body class='typora-export os-windows'>

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