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September 6, 2024 09:07
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September 6th 2024 Questions
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| def forbidden_integer(): | |
| n, k, x = map(int, input().split()) | |
| if x != 1: | |
| # We can always form n using 1's | |
| print("YES") | |
| print(n) | |
| print(" ".join(["1"] * n)) | |
| elif n > 1 and k > 1: | |
| # We can for n using 2's and possibly one 3 | |
| if n % 2 == 0: | |
| print("YES") | |
| print(n // 2) | |
| print(" ".join(["2"] * (n // 2))) | |
| elif k > 2: | |
| print("YES") | |
| print(n // 2) | |
| print("3 " + " ".join(["2"] * (n // 2 - 1))) | |
| else: | |
| print("NO") | |
| else: | |
| print("NO") | |
| t = int(input()) | |
| for _ in range(t): | |
| forbidden_integer() |
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| def desorting(): | |
| n = int(input()) | |
| a = list(map(int, input().split())) | |
| # logic | |
| min_difference = float("inf") | |
| for i in range(n - 1): | |
| if a[i] > a[i + 1]: | |
| return 0 | |
| min_difference = min(min_difference, a[i + 1] - a[i]) | |
| return (min_difference // 2) + 1 | |
| t = int(input()) | |
| for _ in range(t): | |
| print(desorting()) |
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| def array_colouring(): | |
| n = int(input()) | |
| a = list(map(int, input().split())) | |
| # logic | |
| even_sum = sum(x for x in a if x % 2 == 0) | |
| odd_sum = sum(x for x in a if x % 2 != 0) | |
| return "YES" if even_sum % 2 == odd_sum % 2 else "NO" | |
| t = int(input()) | |
| for _ in range(t): | |
| print(array_colouring()) |
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