The behavior shown here is washboarding.
I blame the shoddy quality of Portuguese sea-charts for this, though doubtless the Portuguese would blame the compass, or the wind, or the water, or the Ceylonese, or the shape of the world, or the Moon, or anything else that might absolve their own slack-handed workmanship.
Searches for #proana, #thinspiration, or #bonespo (used for 'inspiring' images of people with visible bones) won't show any results at all, even though the tags are still widely in use.
Every area of math seems to have its own NP complete problems. For example, the question of whether or not a graph contains a Hamiltonian circuit is a quintessential NP complete problem and, since it can be explained with little higher level math, is a popular choice in expository works.
アカウントを持っていませんか？ 新規登録
アカウントを持っていますか？ ログイン
DiQt（ディクト）
無料
★★★★★★★★★★
