• Nov 19, 2022 •CodeCatch
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# Given a number n, print all primes smaller than or equal to n. It is also given that n is a small number. # For example, if n is 10, the output should be “2, 3, 5, 7”. If n is 20, the output should be “2, 3, 5, 7, 11, 13, 17, 19”. # Python program to print all primes smaller than or equal to # n using Sieve of Eratosthenes def SieveOfEratosthenes(n): # Create a boolean array "prime[0..n]" and initialize # all entries it as true. A value in prime[i] will # finally be false if i is Not a prime, else true. prime = [True for i in range(n + 1)] p = 2 while (p * p <= n): # If prime[p] is not changed, then it is a prime if (prime[p] == True): # Update all multiples of p for i in range(p * 2, n + 1, p): prime[i] = False p += 1 prime[0]= False prime[1]= False # Print all prime numbers for p in range(n + 1): if prime[p]: print (p) # driver program if __name__=='__main__': n = 30 print("Following are the prime numbers smaller") print("than or equal to ", n) print("than or equal to ", n) SieveOfEratosthenes(n)
• Aug 12, 2024 •AustinLeath
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magnitude = lambda bits: 1_000_000_000_000_000_000 % (2 ** bits) sign = lambda bits: -1 ** (1_000_000_000_000_000_000 // (2 ** bits)) print("64 bit sum:", magnitude(64) * sign(64)) print("32 bit sum:", magnitude(32) * sign(32)) print("16 bit sum:", magnitude(16) * sign(16))
• Feb 26, 2023 •wabdelh
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#84 48 13 20 61 20 33 97 34 45 6 63 71 66 24 57 92 74 6 25 51 86 48 15 64 55 77 30 56 53 37 99 9 59 57 61 30 97 50 63 59 62 39 32 34 4 96 51 8 86 10 62 16 55 81 88 71 25 27 78 79 88 92 50 16 8 67 82 67 37 84 3 33 4 78 98 39 64 98 94 24 82 45 3 53 74 96 9 10 94 13 79 15 27 56 66 32 81 77 # xor a list of integers to find the lonely integer res = a[0] for i in range(1,len(a)): res = res ^ a[i]
• Jul 2, 2025 •AustinLeath
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import calendar from datetime import datetime # Get the UTC timestamp a = calendar.timegm(datetime.utcnow().utctimetuple()) print(a)
• May 5, 2026 •CodeCatch
{"name": "search", "parameters": {"q": "python programming", "num": 10}}
# Python program for implementation of Selection # Sort import sys A = [64, 25, 12, 22, 11] # Traverse through all array elements for i in range(len(A)): # Find the minimum element in remaining # unsorted array min_idx = i for j in range(i+1, len(A)): if A[min_idx] > A[j]: min_idx = j # Swap the found minimum element with # the first element A[i], A[min_idx] = A[min_idx], A[i] # Driver code to test above print ("Sorted array") for i in range(len(A)): print("%d" %A[i]),