493. Arranging Coins
EasyMathBinary Search
Row i of a staircase needs i coins. Print the number of complete rows you can build with n coins.
Input format
One integer n
Output format
The number of full rows.
Example 1
Input
5
Output
2
Example 2
Input
8
Output
3
Constraints
1 ≤ n ≤ 2³¹ − 1
Read input from standard input and print the answer to standard output. Your code is judged against 4 test cases, most of them hidden.
Loading the MyLoginn IDE…