Merge pull request #13048 from deadmarshal/TWC348

TWC348

1 files changed, 29 insertions, 0 deletions

diff --git a/challenge-348/deadmarshal/java/Ch2.java b/challenge-348/deadmarshal/java/Ch2.java
new file mode 100644
index 0000000000..9af728fde0
--- /dev/null
+++ b/challenge-348/deadmarshal/java/Ch2.java
@@ -0,0 +1,29 @@
+import java.util.Arrays;
+
+public class Ch2 {
+  public static void main(String[] args) {
+    System.out.println(convert_time("02:30","02:45"));
+    System.out.println(convert_time("11:55","12:15"));
+    System.out.println(convert_time("09:00","13:00"));
+    System.out.println(convert_time("23:45","00:30"));
+    System.out.println(convert_time("14:20","15:25"));
+  }
+
+  private static int convert_time(String source,String target) {
+    int a = to_min(source),b = to_min(target);
+    int res = 0, d = (b - a + 1440) % 1440;
+    for(int i : Arrays.asList(60,15,5,1)) {
+      res += d / i;
+      d %= i;
+    }
+    return res;
+  }
+
+  private static int to_min(String s) {
+    String[] parts = s.split(":");
+    int a = Integer.parseInt(parts[0]);
+    int b = Integer.parseInt(parts[1]);
+    return a * 60 + b;
+  }
+}
+