99techteam · highshot-rk · Feb 5, 2026
diff --git a/src/problem_1/sum_to_n.js b/src/problem_1/sum_to_n.js
@@ -0,0 +1,31 @@
+
+var sum_to_n_a = function(n) {
+    let sum = 0;
+    for (let i = 1; i <= n; i++) {
+        sum += i;
+    }
+    return sum;
+};
+
+var sum_to_n_b = function(n) {
+    if (n <= 0) {
+        return 0;
+    }
+    if (n === 1) {
+        return 1;
+    }
+    return n + sum_to_n_b(n - 1);
+};
+
+var sum_to_n_c = function(n) {
+    return (n * (n + 1)) / 2;
+};
+
+console.log("Testing sum_to_n_a:");
+console.log("sum_to_n_a(5) =", sum_to_n_a(5)); // Expected: 15
+
+console.log("\nTesting sum_to_n_b:");
+console.log("sum_to_n_b(5) =", sum_to_n_b(5)); // Expected: 15
+
+console.log("\nTesting sum_to_n_c:");
+console.log("sum_to_n_c(5) =", sum_to_n_c(5)); // Expected: 15
diff --git a/src/problem_2/.gitignore b/src/problem_2/.gitignore
@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
diff --git a/src/problem_2/README.md b/src/problem_2/README.md
@@ -0,0 +1,69 @@
+# Currency Swap Form
+
+A modern, interactive currency swap form built with React and Vite.
+
+## Features
+
+- 🎨 Beautiful, modern UI with gradient design
+- 💱 Real-time exchange rate calculation
+- 🔄 Token swap functionality
+- ✅ Input validation and error handling
+- 📱 Responsive design
+- 🖼️ Token icons from Switcheo token-icons repository
+- 💰 Live price data from Switcheo API
+
+## Project Structure
+
+```
+problem_2/
+├── src/
+│   ├── components/
+│   │   ├── CurrencySwapForm.jsx
+│   │   └── CurrencySwapForm.css
+│   ├── lib/
+│   │   ├── api.js          # API utilities for fetching prices
+│   │   └── validation.js   # Input validation utilities
+│   ├── App.jsx
+│   ├── App.css
+│   └── main.jsx
+├── package.json
+├── vite.config.js
+└── index.html
+```
+
+## Getting Started
+
+1. Install dependencies:
+```bash
+npm install
+```
+
+2. Start the development server:
+```bash
+npm run dev
+```
+
+3. Build for production:
+```bash
+npm run build
+```
+
+## API Integration
+
+- **Token Prices**: Fetched from `https://interview.switcheo.com/prices.json`
+- **Token Icons**: Loaded from `https://raw.githubusercontent.com/Switcheo/token-icons/main/tokens/{TOKEN}.svg`
+
+## Usage
+
+1. Select a "From" token from the dropdown
+2. Select a "To" token from the dropdown
+3. Enter the amount you want to swap
+4. The output amount is automatically calculated based on current exchange rates
+5. Click the swap button (↕️) to swap the tokens
+6. Click "Swap" to execute the transaction
+
+## Technologies Used
+
+- React 18
+- Vite
+- CSS3 (with modern features like gradients and animations)
diff --git a/src/problem_2/index.html b/src/problem_2/index.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Currency Swap</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.jsx"></script>
+  </body>
+</html>
diff --git a/src/problem_2/jsconfig.json b/src/problem_2/jsconfig.json
@@ -0,0 +1,18 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ESNext",
+    "jsx": "react-jsx",
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": false,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "strict": false,
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true
+  },
+  "include": ["src"],
+  "exclude": ["node_modules", "dist"]
+}