0181132人目の素数さん垢版 | 大砲2019/12/17(火) 10:32:28.89ID:/04vhOiY >>180 A(1,1) = 1 A(i,i) = 2 (2≦i≦n) A(i,i+1) = -1, A(j+1,j) = -1, A(i,j) = 0, (|i-j|≧2) B(i,j) = n+1 - Max{i,j} = min{n+1-i, n+1-j}