Create 2008-maximum-earnings-from-taxi.js

Author: everthis

2008-maximum-earnings-from-taxi.js

@@ -0,0 +1,21 @@
+/**
+ * @param {number} n
+ * @param {number[][]} rides
+ * @return {number}
+ */
+const maxTaxiEarnings = function(n, rides) {
+  const { max } = Math
+  const rideStartAt = Array.from({length: n}, () => []);
+  for (let ride of rides) {
+    let s = ride[0], e = ride[1], t = ride[2];
+    rideStartAt[s].push([e, e - s + t]);  // [end, dollar]
+  }
+  const dp = Array(n+1).fill(0);
+  for (let i = n-1; i >= 1; --i) {
+    for (let [e, d] of rideStartAt[i]) {
+      dp[i] = max(dp[i], dp[e] + d);
+    }
+    dp[i] = max(dp[i], dp[i + 1]);
+  }
+  return dp[1];
+};