src/algorithms/uncategorized/rain-terraces/dpRainTerraces.js

@@ -5,11 +5,11 @@
  * @return {number}
  */
 export default function dpRainTerraces(terraces) {
-  // Obtain the maximum elevations to the left & right of each terrace (inclusive).
+  // Obtain the maximum elevations to the left and right of each terrace (inclusive).
   const maxL = terraces.reduce((acc, val, idx) => [...acc, Math.max(val, (acc[idx - 1] || 0))], []);
   const maxR = terraces.reduceRight((acc, val) => [Math.max(val, (acc[0] || 0)), ...acc], []);
 
-  // Convert maximum values to amount of water at current index & sum water values.
+  // Convert maximum values to amount of water at current index and sum water values.
   const trap = terraces.map((val, idx) => Math.max(0, Math.min(maxL[idx], maxR[idx]) - val));
   return trap.reduce((acc, val) => acc + val);
 }