Added all the codes.

2025-06-10 00:54:39 +05:30
parent 5d4de88cc9
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+# Assignment-A3
+
+"""
+THIS CODE HAS BEEN TESTED AND IS FULLY OPERATIONAL.
+
+Problem Statement: Implement Greedy search algorithm for any of the following application:
+  I. Selection Sort
+  IV. Job Scheduling Problem
+
+Code from ArtificialIntelligence (SPPU - Third Year - Computer Engineering - Content) repository on KSKA Git: https://git.kska.io/sppu-te-comp-content/ArtificialIntelligence
+"""
+
+# BEGINNING OF CODE
+# BEGINNING OF SELECTION SORT
+numbers = [] # Empty list to store numbers
+
+# Function to take input for numbers
+def input_numbers():
+        total = int(input("\nHow many numbers you wish to enter?\nTotal numbers:\t"))
+        for i in range(total):
+                val = float(input(f"Enter number {i+1}:\t"))
+                numbers.append(val)
+        print("\nNumbers you've entered are:\t", numbers)
+
+# Function for selection sort
+def selection_sort():
+    for i in range(len(numbers)):
+        min_index = i
+        for j in range(i+1, len(numbers)):
+            if numbers[j] < numbers[min_index]:
+                min_index = j
+        numbers[i], numbers[min_index] = numbers[min_index], numbers[i] # Swapping
+    print("Numbers sorted in ascending order using selection sort:\t", numbers)
+# END OF SELECTION SORT
+
+# BEGINNING OF JOB SCHEDULING
+def job_scheduling():
+    jobs = []
+    total = int(input("Total jobs to add:\t"))
+
+    # Take input for jobs
+    print("\n", "-"*10, "JOBS", "-"*10, "\n")
+    for i in range(total):
+        print(f"JOB {i+1} ->")
+        job_id = int(input(f"ID for job {i+1}:\t\t"))
+        deadline = int(input(f"Deadline for job {i+1}:\t"))
+        profit = int(input(f"Profit for job {i+1}:\t"))
+        jobs.append((job_id, deadline, profit)) # Index 0 for job_id; Index 1 for deadline; Index 2 for profit
+    print(f"\nAdded {total} jobs.")
+    print("-"*27, "\n")
+
+    # Initialize
+    jobs.sort(key=lambda x: x[2], reverse=True) # Sort jobs by profit; Using index 2 to access profit
+    max_deadline = max(job[1] for job in jobs) # Highest deadline; Using index 1 to access deadline
+    slots = [0] * (max_deadline + 1)
+    total_profit = 0
+
+    # Scheduling jobs using greedy strategy
+    for job in jobs:
+        for i in range(job[1], 0, -1):
+            if slots[i] == 0:
+                slots[i] = job[0]
+                total_profit += job[2]
+                break
+
+    # Print scheduled jobs
+    print("Scheduled Jobs:", end=" ")
+    for i in range(1, len(slots)):
+        if slots[i] != 0:
+            print(slots[i], end=" ")
+
+    print(f"\nTotal Profit: {total_profit}")
+# END OF JOB SCHEDULING
+
+
+# Main function for menu
+def main():
+  while True:
+    print("\n\n", "-"*10, "MAIN MENU", "-"*10)
+    print("1. Selection Sort")
+    print("2. Job Scheduling")
+    print("3. Exit")
+    choice = int(input("Choose an option (1-3):\t"))
+    print("-"*32)
+
+    if (choice == 1):
+      input_numbers()
+      selection_sort()
+    elif (choice == 2):
+      job_scheduling()
+    elif (choice == 3):
+      print("\n## END OF CODE\n")
+      break
+    else:
+      print("\nPlease choose a valid option (1-3)")
+
+main()
+# END OF CODE