feat: update ts solution to lc problem: No. 1653

Author: rain84

solution/1600-1699/1653.Minimum Deletions to Make String Balanced/README.md

@@ -176,7 +176,7 @@ function minimumDeletions(s: string): number {
     const f = new Array(n + 1).fill(0);
     let b = 0;
     for (let i = 1; i <= n; ++i) {
-        if (s.charAt(i - 1) === 'b') {
+        if (s[i - 1] === 'b') {
             f[i] = f[i - 1];
             ++b;
         } else {

solution/1600-1699/1653.Minimum Deletions to Make String Balanced/README_EN.md

@@ -174,7 +174,7 @@ function minimumDeletions(s: string): number {
     const f = new Array(n + 1).fill(0);
     let b = 0;
     for (let i = 1; i <= n; ++i) {
-        if (s.charAt(i - 1) === 'b') {
+        if (s[i - 1] === 'b') {
             f[i] = f[i - 1];
             ++b;
         } else {

solution/1600-1699/1653.Minimum Deletions to Make String Balanced/Solution.ts

@@ -3,7 +3,7 @@ function minimumDeletions(s: string): number {
     const f = new Array(n + 1).fill(0);
     let b = 0;
     for (let i = 1; i <= n; ++i) {
-        if (s.charAt(i - 1) === 'b') {
+        if (s[i - 1] === 'b') {
             f[i] = f[i - 1];
             ++b;
         } else {