Class Solution

java.lang.Object
g0601_0700.s0664_strange_printer.Solution

public class Solution extends Object
664 - Strange Printer.<p>Hard</p> <p>There is a strange printer with the following two special properties:</p> <ul> <li>The printer can only print a sequence of <strong>the same character</strong> each time.</li> <li>At each turn, the printer can print new characters starting from and ending at any place and will cover the original existing characters.</li> </ul> <p>Given a string <code>s</code>, return <em>the minimum number of turns the printer needed to print it</em>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> s = &ldquo;aaabbb&rdquo;</p> <p><strong>Output:</strong> 2</p> <p><strong>Explanation:</strong> Print &ldquo;aaa&rdquo; first and then print &ldquo;bbb&rdquo;.</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> s = &ldquo;aba&rdquo;</p> <p><strong>Output:</strong> 2</p> <p><strong>Explanation:</strong> Print &ldquo;aaa&rdquo; first and then print &ldquo;b&rdquo; from the second place of the string, which will cover the existing character &lsquo;a&rsquo;.</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= s.length <= 100</code></li> <li><code>s</code> consists of lowercase English letters.</li> </ul>
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • strangePrinter

      public int strangePrinter(String s)