Create 2224-minimum-number-of-operations-to-convert-time.js

Author: everthis

2224-minimum-number-of-operations-to-convert-time.js

@@ -0,0 +1,41 @@
+/**
+ * @param {string} current
+ * @param {string} correct
+ * @return {number}
+ */
+var convertTime = function(current, correct) {
+  const s = current.split(':').map(e => +e)
+  const t = correct.split(':').map(e => +e)
+  let res = 0
+  // hour
+  if(s[0] < t[0]) res += t[0] - s[0]
+  else if(s[0] > t[0]) res += (24 - (s[0] - t[0]))
+  
+  // min
+  let delta = t[1] - s[1]
+  if(delta > 0) {
+    if(delta >= 15) {
+      res += ~~(delta / 15)
+      delta %= 15
+    }
+    if(delta >= 5) {
+      res += ~~(delta / 5)
+      delta %= 5
+    }
+    res += delta
+  } else if(delta < 0) {
+    res--
+    delta += 60
+    if(delta >= 15) {
+      res += ~~(delta / 15)
+      delta %= 15
+    }
+    if(delta >= 5) {
+      res += ~~(delta / 5)
+      delta %= 5
+    }
+    res += delta
+  }
+  
+  return res
+};