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 > Binary to Decimal

Binary to Decimal

Difficulty: 900 2000 ms 128 MB

math

Given a binary string, print its decimal value.

Input: one line with a binary string S (no leading zeros except the string 0 itself).

Output: the decimal value of S.

Constraints:

  • 1 ≤ |S| ≤ 60

Sample Tests

Input 1
1101
Output 1
13
Input 2
0
Output 2
0

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