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In computational complexity theory, the polynomial hierarchy (sometimes called the polynomial-time hierarchy) is a hierarchy of complexity classes that generalize the classes NP and co-NP. [1] Each class in the hierarchy is contained within PSPACE. The hierarchy can be defined using oracle machines or alternating Turing machines.
"Music Box Dancer" is an instrumental piece by Canadian musician Frank Mills that was an international hit in the late 1970s. It features an arpeggiated piano theme in C-sharp major (enharmonic to D-flat major ) designed to resemble a music box , accompanied by other instruments playing a counterpoint melody as well as a wordless chorus.
"Music Box Dancer" was Mills' only US Top 40 pop hit. The follow-up, another piano instrumental, "Peter Piper", peaked at number 48 on the Billboard Hot 100 but became a Top 10 hit on the Billboard Adult Contemporary chart. [7] Mills managed one final Adult Contemporary chart entry, "Happy Song", which peaked at number 41 at the beginning of ...
Music videos were produced for the songs "It's All Coming Back to Me Now" and "Good Girls Go to Heaven". Ken Russell directed the video for "It's All Coming Back to Me Now". It was filmed at Pinewood Studios in Buckinghamshire. Steinman wrote the script, based on Russell's segment in the compilation opera movie Aria. [7]
It runs in polynomial time on inputs that are in SUBSET-SUM if and only if P = NP: // Algorithm that accepts the NP-complete language SUBSET-SUM. // // this is a polynomial-time algorithm if and only if P = NP. // // "Polynomial-time" means it returns "yes" in polynomial time when // the answer should be "yes", and runs forever when it is "no".
Go to Heaven is the eleventh studio album (sixteenth overall) by rock band the Grateful Dead, released April 28, 1980, by Arista Records. It is the band's first album with keyboardist Brent Mydland .
The song is told through the eyes of a promiscuous young man who has had many sexual experiences, and plays upon the double-meaning of the word "heaven." He first recalls his baptism and how the preacher asked the protagonist (then a young boy), "Do you want to go to Heaven," referring to the religious concept of the afterlife (where good people go after their death).
Like many Steinman song titles, this one appears to be derived from a popular expression, or figure of speech. "Good girls go to heaven, but bad girls go everywhere" made its way into popular culture through entertainer Mae West and also Helen Gurley Brown, author of the book Sex and the Single Girl.