- by Shreshth Srivastava

Shreshth_Srivastava/Question1/solution.py

@@ -0,0 +1,32 @@
+def two_sum(nums, target):
+    num_map = {} 
+
+    for i, num in enumerate(nums):
+        complement = target - num
+        if complement in num_map:
+            return [num_map[complement], i]
+        num_map[num] = i
+
+    return []  
+
+if __name__ == "__main__":
+
+    n = int(input("Enter the number of elements: "))
+
+
+    nums = list(map(int, input("Enter the elements separated by space: ").split()))
+
+    if len(nums) != n:
+        print(f"Error: Expected {n} elements, but got {len(nums)}.")
+        exit()
+
+
+    target = int(input("Enter the target: "))
+
+
+    result = two_sum(nums, target)
+
+    if result:
+        print(f"Output: {result}")
+    else:
+        print("No valid pair found.")

Shreshth_Srivastava/Question2/solution.py

@@ -0,0 +1,21 @@
+def fib(n):
+    if n == 0:
+        return 0
+    elif n == 1:
+        return 1
+
+    a, b = 0, 1 
+    for _ in range(2, n + 1):
+        a, b = b, a + b  
+
+    return b
+
+
+if __name__ == "__main__":
+    n = int(input("Enter n (0 <= n <= 30): "))
+
+    if 0 <= n <= 30:
+        result = fib(n)
+        print(f"F({n}) = {result}")
+    else:
+        print("Invalid input. n must be between 0 and 30.")