diff --git a/modulo6/resolvendo-problemas/1.ts b/modulo6/resolvendo-problemas/1.ts
new file mode 100644
index 0000000..f0c41f7
--- /dev/null
+++ b/modulo6/resolvendo-problemas/1.ts
@@ -0,0 +1,13 @@
+function isOneEdit(strA: string, strB: string): boolean {
+if (Math.abs(strB.length - strA.length) > 1) return false
+
+if (strA.length > strB.length) return strA.includes(strB)
+if (strB.length > strA.length) return strB.includes(strA)
+
+let charsDiffCount = 0
+for (let i = 0; i < strA.length; i++) {
+    if (strA[i] !== strB[i]) charsDiffCount++
+}
+
+return charsDiffCount === 1
+}
\ No newline at end of file
diff --git a/modulo6/resolvendo-problemas/2.ts b/modulo6/resolvendo-problemas/2.ts
new file mode 100644
index 0000000..8e5af17
--- /dev/null
+++ b/modulo6/resolvendo-problemas/2.ts
@@ -0,0 +1,22 @@
+export const stringCompression = (input) => {
+    const substrings = [];
+    let lastChar = input[0];
+    let charCount = 0;
+  
+    for (const char of input) {
+      if (char !== lastChar) {
+        substrings.push(lastChar + charCount);
+        lastChar = char;
+        charCount = 0;
+      }
+      charCount++;
+    }
+  
+    substrings.push(lastChar + charCount);
+    let result = "";
+    for (const key of substrings) {
+      result += key;
+    }
+  
+    return result.length > input.length ? input : result;
+  };
\ No newline at end of file