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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.util.regex.*;
  4.  
  5. class Main
  6. {
  7.     private static final int[] timeMul = new int[] {7, 24, 60, 60, 1};
  8.     private static final Pattern rx = Pattern.compile("(?:(\\d+)W)?(?:(\\d+)D)?(?:(\\d+)H)?(?:(\\d+)M)?(?:(\\d+)S)?");
  9.     public static int getSeconds(String str) {
  10.         Matcher m = rx.matcher(str);
  11.         if (!m.find()) {
  12.             return -1;
  13.         }
  14.         int res = 0;
  15.         for (int i = 0 ; i != m.groupCount() ; i++) {
  16.             String g = m.group(i+1);
  17.             res += g == null ? 0 : Integer.parseInt(g);
  18.             res *= timeMul[i];
  19.         }
  20.         return res;
  21.     }
  22. 	public static void main (String[] args) throws java.lang.Exception
  23. 	{
  24.         System.out.println(getSeconds("5W3D10H5M10S"));
  25. 	}
  26. }
Success #stdin #stdout 0.03s 245632KB
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https://ideone.com/yEw91S
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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