Practice Problems

Problem of the Day: Integer Square Root — keep your streak alive!

Practice Problems — 800-1200

#ProblemTopicsDifficulty
1 Sum of Two Numbers math implementation 800
2 Even or Odd math 800
7 Sum of an Array implementation 800
8 Minimum of an Array implementation 800
9 Range of an Array implementation 800
21 Sum of Digits math implementation 800
24 Numeric Palindrome implementation 800
25 Largest Digit implementation 800
26 Count Even Digits implementation 800
32 Maximum of Three implementation 800
36 Which Quadrant math geometry 800
38 Sum 1 to N math 800
42 Leap Year math implementation 800
43 Robot on a Line implementation 800
49 Shout It implementation strings 800
50 Swap the Case implementation strings 800
52 Strip the Vowels strings 800
61 Alternating Caps strings 800
62 Build the Acronym strings 800
63 Count a Given Character strings 800
64 Letters versus Digits strings 800
68 Vowels and Consonants strings 800
72 Isogram Check strings 800
83 The Longest Word strings 800
89 Count the Transitions strings 800
276 The Rook's Trip math 800
279 Same Color Squares math 800
287 Sum of the First N Odd Numbers math 800
288 Sum of the First N Even Numbers math 800
294 Handshakes All Around math 800
295 ROT13 strings 800
296 Atbash Mirror strings 800
323 Consecutive Differences implementation 800
375 The Staircase implementation 800
379 Times Table implementation 800
384 The Hidden Face math 800
389 Cut and Dot strings 800
391 Pairwise Swap strings 800
392 Words Containing C strings 800
400 The K-th Power Of Two Number math 800
432 Check Bit K bitwise 800
433 Flip Bit K bitwise 800
3 Maximum of an Array implementation 900
4 Reverse a String implementation strings 900
11 Count Distinct Values implementation 900
14 Count Local Maxima implementation 900
22 Digital Root math 900
23 Reverse a Number implementation 900
27 Ones in Binary math bitwise 900
28 Decimal to Binary math 900