Canon/open_set/87_long_line.pas

program main;var sum, i, ans: integer;arr: array[0..19] of integer;function f(i, j: integer): integer;begin sum := sum + 1;if (i >= j) or (i >= 20) then f := 0 else begin arr[i] := 1;if i = 0 then f := arr[0]else f := arr[i - 1];end;end;function g(i,j: integer):integer;begin sum := sum + 2;if (i >= j) or (i >= 20) then g := 1 else begin arr[i] := 0;if i = 0 then g := arr[0] else g := arr[i - 1];end;end;function h(i: integer): integer;begin sum := sum + 3;if (i < 0) or (i >= 20) then h := 0 else h := arr[i];end;begin for i := 0 to 19 do arr[i] := 0;for i := 0 to 19 do begin if (f(0, i) <> 0) and (f(1, i) <> 0) and (f(2, i) <> 0) and (f(3, i) <> 0) and (f(4, i) <> 0) and (f(5, i) <> 0) and (f(6, i) <> 0) and (f(7, i) <> 0) and (f(8, i) <> 0) and (f(9, i) <> 0) and (f(10, i) <> 0) and (f(11, i) <> 0) and (f(12, i) <> 0) and (f(13, i) <> 0) and (f(14, i) <> 0) and (f(15, i) <> 0) and (f(16, i) <> 0) and (f(17, i) <> 0) and (f(18, i) <> 0) and (f(19, i) <> 0) then;end;for i := 0 to 19 do begin if (g(0, i) <> 0) or (g(1, i) <> 0) or (g(2, i) <> 0) or (g(3, i) <> 0) or (g(4, i) <> 0) or (g(5, i) <> 0) or (g(6, i) <> 0) or (g(7, i) <> 0) or (g(8, i) <> 0) or (g(9, i) <> 0) or (g(10, i) <> 0) or (g(11, i) <> 0) or (g(12, i) <> 0) or (g(13, i) <> 0) or (g(14, i) <> 0) or (g(15, i) <> 0) or (g(16, i) <> 0) or (g(17, i) <> 0) or (g(18, i) <> 0) or (g(19, i) <> 0) then ;end;ans := 0;if (h(0) <> 0) and (h(1) <> 0) or (not (h(2) <> 0)) or (h(3) <> 0) then ans := 1;ans := 0;if (not (h(4) <> 0)) or (h(5) <> 0) and (not (h(6) <> 0)) and (h(7) <> 0) or (not (h(8) <> 0)) then ans := 1;ans := 0;if (h(9) <> 0) and (not (h(10) <> 0)) or (not (h(11) <> 0)) or (not (h(12) <> 0)) or (not (h(13) <> 0)) or (h(14) <> 0) and (h(15) <> 0) then ans := 1;ans := 0;if (h(0) <> 0) and (h(2) <> 0) and (not (h(3) <> 0)) and (not (h(4) <> 0)) or (h(5) <> 0) or (h(6) <> 0) and (not (h(7) <> 0)) or (h(8) <> 0) then ans := 1;write(sum + ans); end.