Hiring process8 levels
  1. 1 IQ Test
  2. 2 Additional Online Test (If Required)
  3. 3 Office Interview with Hiring Manager
  4. 4 Unpaid Test Task (Motivation Check)
  5. 5 Paid Test Task and Follow-Up Interview
  6. 6 Iterative Paid Test Tasks
  7. 7 Office Verification
  8. 8 Final Interview with the Founder

Problems > Shuffled Together

Shuffled Together

Difficulty: 1700 3000 ms 128 MB

strings dp

Is C an interleaving of A and B — formed by weaving A and B together while keeping each one's internal order?

Input: three lines: A, B, then C.

Output: YES or NO.

Constraints:

  • 1 ≤ |A|, |B| ≤ 500
  • lowercase letters

Sample Tests

Input 1
aab
aac
aaabca
Output 1
NO
Input 2
ab
ab
abba
Output 2
NO

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