Update index.json

dsa/index.json

@@ -146,6 +146,42 @@
  "url": "https://web.archive.org/web/20170801080631/http://cs.brown.edu/~rt/gdhandbook/",
  "type": "book",
  "level": "everyone"
+ },
+ {
+ "title": "Introduction to Algorithms, Second Edition",
+ "url": "https://athena.nitc.ac.in/summerschool/Files/clrs.pdf",
+ "type": "book",
+ "level": "Intermediate"
+ },
+ {
+ "title": "Problems On Algorithms (Practice Book for Algorithms)",
+ "url": "https://home.cse.ust.hk/~dekai/271/notes/L01a/poa.pdf",
+ "type": "book",
+ "level": "Intermediate"
+ },
+ {
+ "title": "Algorithmics- The Spirit of Computing.",
+ "url": "http://cslabcms.nju.edu.cn/problem_solving/images/e/e1/Algorithmics-the_Spirit_of_Computing%2C_3rd_by_David_Harel.pdf",
+ "type": "book",
+ "level": "Intermediate"
+ },
+ {
+ "title": "Competitive Programmer's Handbook",
+ "url": "https://cses.fi/book/book.pdf",
+ "type": "book",
+ "level": "everyone"
+ },
+ {
+ "title": "The Hitchhiker’s Guide to the Programming Contests",
+ "url": "https://i.cs.hku.hk/~provinci/files/b1-hitchiker.pdf",
+ "type": "book",
+ "level": "Advanced"
+ },
+ {
+ "title": "Competitive Programming I",
+ "url": "https://www.comp.nus.edu.sg/~stevenha/myteaching/competitive_programming/cp1.pdf",
+ "type": "book",
+ "level": "Intermediate"
  }
  ]
 }