Following are the top solved problems from each category. If one is able to solve all five problems of a picked category, then he/she may directly jump to next level category. If not, then one should continue with the picked category and start practicing more questions.
Problem Name | Answers | Views | Tags | Company |
---|---|---|---|---|
Divisible by 3 | 388 | 14314 | C | Wipro |
Ant Puzzle | 288 | 28737 | Puzzles | Goldman Sachs | Hike | Intuit | Oracle | Sapient | Visa |
Output problem | 201 | 5819 | C | Wipro |
Guess the correct one ! | 189 | 5701 | C | Bhel-2006 |
Stack Overflow | 141 | 8317 | C | Infosys |
Problem Name | Submissions | Accuracy | Tags | Company |
---|---|---|---|---|
Reverse an Array | 120492 | 40 | Arrays | Infosys | Moonfrog Labs |
Sum of array elements | 54272 | 51.61 | Arrays | |
Palindrome String | 51420 | 31.41 | Strings | Amazon | Cisco | D-E-Shaw | Facebook | FactSet | Morgan Stanley | Paytm | Zoho |
Armstrong Numbers | 36165 | 48.89 | Mathematical | Oracle | VMWare |
Value equal to index value | 31598 | 32.91 | Arrays | Searching | Amazon | FactSet | Hike |
Problem Name | Submissions | Accuracy | Tags | Company |
---|---|---|---|---|
Missing number in array | 262261 | 32.98 | Arrays | Bit Magic | Searching | Accolite | Adobe | Amazon | Cisco | D-E-Shaw | Intuit | Microsoft | Morgan Stanley | Ola Cabs | Payu | Qualcomm | Visa |
Rotate Array | 186172 | 59.87 | Arrays | Amazon | MAQ Software |
Majority Element | 116130 | 39.96 | Arrays | Searching | Accolite | Amazon | D-E-Shaw | FactSet | MakeMyTrip | Microsoft | Nagarro | Samsung |
Power of 2 | 109692 | 30.97 | Bit Magic | Mathematical | Adobe | Amazon | BankBazaar | FactSet | Intel | Mallow Technologies | Microsoft | Oracle | Practo | Qualcomm | Samsung | SAP Labs |
Pythagorean Triplet | 94711 | 38.09 | Arrays | Amazon |
Problem Name | Submissions | Accuracy | Tags | Company |
---|---|---|---|---|
Subarray with given sum | 424112 | 24.99 | Arrays | prefix-sum | Searching | sliding-window | Adobe | Amazon | Facebook | FactSet | Google | Morgan Stanley | Visa | Zoho |
Leaders in an array | 182110 | 42.7 | Arrays | Searching | Amazon | Payu | Samsung |
Equilibrium point | 175235 | 37.39 | Arrays | prefix-sum | Accolite | Adobe | Amazon | Hike | Zoho |
Sort an array of 0s, 1s and 2s | 157133 | 48.12 | Arrays | Sorting | Adobe | Amazon | Hike | MakeMyTrip | MAQ Software | Microsoft | Morgan Stanley | Ola Cabs | OYO Rooms | Paytm | Qualcomm | Samsung | SAP Labs | Snapdeal | Walmart | Yatra.com |
0 - 1 Knapsack Problem | 106947 | 35.71 | Dynamic Programming | Amazon | Directi | Flipkart | GreyOrange | MakeMyTrip | Microsoft | Mobicip | Morgan Stanley | Oracle | Payu | Snapdeal | Visa | Zoho |
Problem Name | Submissions | Accuracy | Tags | Company |
---|---|---|---|---|
Kadane's Algorithm | 241506 | 32.92 | Arrays | Dynamic Programming | 24*7 Innovation Labs | Accolite | Amazon | Citrix | D-E-Shaw | FactSet | Flipkart | Hike | Housing.com | MakeMyTrip | MetLife | Microsoft | Morgan Stanley | Ola Cabs | Oracle | OYO Rooms | Payu | Samsung | Snapdeal | Teradata | Visa | VMWare | Walmart | Zoho |
Parenthesis Checker | 186121 | 27.18 | Stack | Adobe | Amazon | Flipkart | Hike | Oracle | OYO Rooms | Snapdeal | Walmart | Wipro | Yatra.com | Zoho |
Kth smallest element | 164437 | 58.64 | Arrays | Searching | Sorting | ABCO | Accolite | Amazon | Cisco | Hike | Microsoft | Snapdeal | VMWare |
Next larger element | 136521 | 33.32 | Stack | Amazon | Flipkart | OYO Rooms | Samsung | Snapdeal | Zoho |
Maximum Index | 129773 | 31.25 | Arrays | Amazon | Google | Snapdeal | VMWare |
Problem Name | Submissions | Accuracy | Tags | Company |
---|---|---|---|---|
Merge Without Extra Space | 86669 | 25.21 | Arrays | Mathematical | Sorting | Amazon | Amdocs | Brocade | FactSet | Goldman Sachs | Juniper Networks | Linkedin | Microsoft | Quikr | Snapdeal | Synopsys | Visa | Zoho |
Find median in a stream | 72710 | 30.57 | Heap | Adobe | Amazon | Apple | Belzabar | D-E-Shaw | Facebook | FactSet | Flipkart | Google | Hike | Intuit | MAQ Software | Microsoft | Morgan Stanley | Ola Cabs | Oracle | OYO Rooms | Samsung | SAP Labs | Walmart | Yahoo |
Ugly Numbers | 71059 | 39.96 | Arrays | Mathematical | Goldman Sachs | Google | Paytm | Walmart |
Longest valid Parentheses | 45882 | 24.1 | Stack | |
N-Queen Problem | 34682 | 32.75 | Backtracking | Accolite | Amazon | Amdocs | D-E-Shaw | MAQ Software | Twitter | Visa |
kanungogargi1 | 1351 |
ankitmeher777 | 1045 |
gunjansaini967 | 945 |
rahulgupta34521 | 942 |
anaghamalkar08 | 925 |
swadeshchatterjee112233445566 | 713 |
mathurbhumika29 | 647 |
gunjansaini967 | 622 |
bawejasidak082 | 618 |
manishdangi864 | 610 |
Ibrahim Nash | 7072 |
blackshadows | 6992 |
mb1973 | 6669 |
Quandray | 5414 |
akhayrutdinov | 5111 |