Solution for 7- Reverse Integer in TypeScript

Gyanachand1 · Jul 10, 2022 · b421501 · b421501
1 parent 5515379
commit b421501
Showing 1 changed file with 23 additions and 0 deletions.
diff --git a/typescript/7-Reverse-Integer.ts b/typescript/7-Reverse-Integer.ts
@@ -0,0 +1,23 @@
+const reverse = (x: number): number => {
+ const max: number = 2 ** 31 - 1;
+ const min: number = -(2 ** 31);
+
+ let result: number = 0;
+ while (x !== 0) {
+ const digit = x % 10;
+ x = Math.trunc(x / 10);
+
+ if (result > max / 10 || (result === max / 10 && digit >= max % 10)) {
+ return 0;
+ } else if (
+ result < min / 10 ||
+ (result === max / 10 && digit <= min % 10)
+ ) {
+ return 0;
+ } else {
+ result = result * 10 + digit;
+ }
+ }
+
+ return result;
+ };