+fn format_time(ms: u64) -> String {
+ let s = ms / 1000;
+ let ds = (ms % 1000) / 100;
+ let (min, s) = (s / 60, s % 60);
+ let (h, min) = (min / 60, min % 60);
+ if h == 0 {
+ if min == 0 {
+ format!("{}.{}", s, ds)
+ } else {
+ format!("{}:{:02}.{}", min, s, ds)
+ }
+ } else {
+ format!("{}:{:02}:{:02}.{}", h, min, s, ds)
+ }
+}
+