Add spaceship solutions based on LKH-based reordering - #1
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msakai wants to merge 3 commits into
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ダミーのノードを追加することで、サイクルにならない経路を探せるような非ユークリッドなTSPとして定式化して、LKHで解かせてみると、多くの問題で改善しますね。改善幅は期待した程ではなかったけれど。
spaceship3 の場合: 36 -> 25