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diff --git a/‎day 1/index.js
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diff --git a/‎day 1/input.txt
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diff --git a/‎day 1/sample.txt
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diff --git a/‎day1/index.js
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+41Lines changed: 41 additions & 0 deletions b/‎day1/index.js
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diff --git a/‎day2/index.js
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+79Lines changed: 79 additions & 0 deletions b/‎day2/index.js
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+79Lines changed: 79 additions & 0 deletions
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+export const part1 = ({ input }) => {
+    let result = 0;
+
+    const { list1, list2 } = parseInto2lists(input);
+    list1.sort();
+    list2.sort();
+
+    list1.forEach((item, index) => {
+        result += Math.abs(item - list2[index]);
+    });
+
+    return result;
+};
+
+export const part2 = ({ input }) => {
+    let result = 0;
+
+    const { list1, list2 } = parseInto2lists(input);
+
+    list1.forEach((item) => {
+        const count = list2.filter((matchItem) => matchItem == item).length;
+        if (count > 0) {
+            result += item * count;
+        }
+    });
+
+    return result;
+};
+
+const parseInto2lists = (input) => {
+    const list1 = [];
+    const list2 = [];
+
+    input.forEach((item) => {
+        const split = item.split("   ");
+        list1.push(parseInt(split[0]));
+        list2.push(parseInt(split[1]));
+    });
+
+    return { list1, list2 };
+};
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+export const part1 = ({ input }) => {
+    let result = 0;
+
+    const safeReports = [];
+    input.forEach((report) => {
+        const levels = report.split(" ");
+        if (isValidRange(levels)) {
+            safeReports.push(report);
+        }
+    });
+
+    result = safeReports.length;
+
+    return result;
+};
+
+export const part2 = ({ input }) => {
+    let result = 0;
+    const safeReports = [];
+    input.forEach((report) => {
+        const levels = report.split(" ");
+        if (isValidRange(levels)) {
+            safeReports.push(report);
+        } else {
+            for (let i = 0; i < levels.length; i++) {
+                const withoutLevel = levels.filter((level, index) => index !== i);
+                if (isValidRange(withoutLevel)) {
+                    safeReports.push(report);
+                    break;
+                }
+            }
+        }
+    });
+
+    result = safeReports.length;
+
+    return result;
+};
+
+const isValidRange = (levels) => {
+    let previousNumber = null;
+    let direction = null;
+    let isValid = false;
+    levels.forEach((level, index) => {
+        if (direction === "wrong") {
+            return;
+        }
+
+        if (!previousNumber) {
+            previousNumber = parseInt(level);
+            return;
+        }
+
+        if (!direction) {
+            direction = previousNumber < parseInt(level) ? "up" : "down";
+        }
+
+        if ((direction === "up" && previousNumber > parseInt(level)) || (direction === "down" && previousNumber < parseInt(level))) {
+            return (direction = "wrong");
+        }
+
+        if (Math.abs(previousNumber - parseInt(level)) === 0) {
+            return (direction = "wrong");
+        }
+
+        if (Math.abs(previousNumber - parseInt(level)) > 3) {
+            direction = "wrong";
+            return;
+        }
+
+        previousNumber = parseInt(level);
+
+        if (levels.length - 1 === index) {
+            return (isValid = true);
+        }
+    });
+
+    return isValid;
+};