complete 2805.rs 4366.rs 6235.rs 31614.rs 34412.rs

storage/zeta/rs/completed/4366.rs

@@ -0,0 +1,39 @@
+use std::io::stdin;
+
+fn main() {
+    let mut line = String::new();
+
+    let mut distance = 0;
+    let mut before_time = 0;
+    let mut speed = 0;
+    loop {
+        line.clear();
+        stdin().read_line(&mut line).unwrap();
+        if line.trim().is_empty() {
+            break;
+        }
+        let mut iter = line.trim().split(' ');
+
+        let mut time_str = iter.next().unwrap().split(':');
+
+        let (h, m, s) = (
+            time_str.next().unwrap().parse::<u64>().unwrap(),
+            time_str.next().unwrap().parse::<u64>().unwrap(),
+            time_str.next().unwrap().parse::<u64>().unwrap(),
+        );
+        let time = h * 3600 + m * 60 + s;
+        distance = distance + speed * (time - before_time);
+        if let Some(spd_str) = iter.next() {
+            speed = spd_str.parse::<u64>().unwrap();
+        } else {
+            println!(
+                "{:02}:{:02}:{:02} {:.2} km",
+                h,
+                m,
+                s,
+                distance as f64 / 3600f64
+            );
+        }
+        before_time = h * 3600 + m * 60 + s;
+    }
+}