1951D - Buying Jewels - CodeForces Solution

def solve(budget, count):
    if budget < count:
        return []
    if budget == count:
        return [1]
    if 2 * count > budget + 1:
        return []
    return [budget - count + 1, 1]


if __name__ == '__main__':
    test_count = int(input())
    for _ in range(test_count):
        budget, count = map(int, input().split())
        results = solve(budget, count)
        if results:
            print('YES')
            print(len(results))
            print(' '.join(str(r) for r in results))
        else:
            print('NO')