Solution/first tweet and water day

march-2026/3-21-first-tweet/first_tweet.js

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+// First Tweet 🐦
+// shercodes
+
+function tweetBalance(tweet) {
+  let charsLeft = 140; // Limit of characters
+  let count = 0; // Characters counter
+  let string = tweet.split(" "); // Words array
+
+  for (let word of string) {
+    if (word.startsWith("@")) { // Usernames
+      count += 20;
+    } else if (word.startsWith("http://") || word.startsWith ("https://")) { // URLs
+      count += 23;
+    } else if (/\p{Emoji}/u.test(word)) { // Emojis
+      count += 2;
+    } else { // All other characters
+      count += word.length;
+    }
+  }
+
+  count += string.length - 1; // Adds spaces
+  return charsLeft - count;
+}

march-2026/3-22-water-day/water_day.js

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+// Water Day 💧
+// shercodes
+
+function leakyPipe(volume, leak, hours, threshold) {
+  let currentVolume = volume; // Initial volume
+  const lossRate = leak; // Percentage per hour
+  const iterations = hours; // Number of hours
+  let waterRemaining = 0; // Result
+
+  for (let i = 0; i < iterations; i++) {
+    currentVolume = currentVolume * [1 - (lossRate / 100)]; // Calculates the volume after each hour passed.
+    if (currentVolume >= threshold) {
+      waterRemaining = Number(currentVolume.toFixed(2));
+    } else {
+      waterRemaining = -1;
+    }
+  }
+
+  return waterRemaining;
+}