Create 972-equal-rational-numbers.js

Author: everthis

972-equal-rational-numbers.js

@@ -0,0 +1,19 @@
+/**
+ * @param {string} S
+ * @param {string} T
+ * @return {boolean}
+ */
+const isRationalEqual = function (S, T) {
+  return f(S) === f(T)
+}
+
+function f(S) {
+  let i = S.indexOf('(')
+  if (i > 0) {
+    let base = S.slice(0, i)
+    let rep = S.slice(i + 1, S.length - 1)
+    for (let j = 0; j < 20; ++j) base += rep
+    return +base
+  }
+  return +S
+}