Dodgson's method of swaps needed to make him a winner) is an NP-complete problem by reduction from Exact Cover by 3-Sets (X3C). Dodgson's method Dodgson's method is an electoral system proposed by the author, mathematician and logician Charles Dodgson, better known as Lewis Carroll. The method is to extend the Condorcet method by swapping candidates until a Condorcet winner is found. The winner is the candidate which requires the minimum number of swaps. Dodgson proposed this voting scheme in his 1876 work "A method of taking votes on more than two issues". Given an integer "k" and an election, it is NP-complete
Should Have Known Better shroud into a tender lyric about shoving aside his fear, discovering an oasis of perspective when he looks to his brother’s newborn daughter and sees his mother in her face. When he sings 'nothing can be changed,' he doesn’t sound resigned, but ready to look forward. It’s the dawn at the end of a long night, a prayer that past traumas might be healed by a beautiful present." Should Have Known Better "Should Have Known Better" is a song by American singer-songwriter and multi-instrumentalist Sufjan Stevens. It is the second track and second single from his seventh studio album, "Carrie