added first solution with test case

rushi7997 · rushi7997 · commit fb20f58dd39a · 2022-02-22T23:24:45.000-05:00
diff --git a/src/index.ts b/src/index.ts
@@ -1 +1,5 @@
+import run1 from './solutions/1';
+
+run1();
+
 
diff --git a/src/solutions/1/index.ts b/src/solutions/1/index.ts
@@ -0,0 +1,18 @@
+import twoSum from './twoSum';
+
+const run = () => {
+    const input : number[] = [2,7,11,15];
+    const target : number = 9;
+    const expectedOutput : number[] = [0,1];
+
+
+    console.info("Input : ", input)
+    console.info("Target: ", target)
+    console.info("Expected Output: ", expectedOutput)
+    console.log("=============================")
+    console.time("execution")
+    console.log("Output:::::", twoSum(input, target))
+    console.timeEnd("execution")
+}
+
+export default run;
diff --git a/src/solutions/1/twoSum.test.ts b/src/solutions/1/twoSum.test.ts
@@ -0,0 +1,7 @@
+import twoSum from "./twoSum";
+
+test('solution 1 - twoSum', () => {
+  expect(twoSum([2, 7, 11, 15], 9)).toEqual([0, 1]);
+  expect(twoSum([3, 2, 4], 6)).toEqual([1, 2]);
+  expect(twoSum([3, 3], 6)).toEqual([0, 1]);
+});
diff --git a/src/solutions/1/twoSum.ts b/src/solutions/1/twoSum.ts
@@ -0,0 +1,13 @@
+const twoSum = (nums: number[], target: number): number[] | undefined => {
+    let output: number[] = [];
+    for(let i = 0; i < nums.length; i++) {
+        for(let j = i+1; j<nums.length; j++) {
+            if(nums[i]+nums[j] === target) {
+                output.push(i, j);
+                return output;
+            }
+        }
+    }
+}
+
+export default twoSum;

-Original file line number
+Diff line change
@@ @@ -1 +1,5 @@ @@
 +import run1 from './solutions/1';
++
 +run1();
++