---map-- [] [123,123,123] [] [123] [123,123] [123,123,123] [123,123,123,123] [123,123,123,123,123] [123,123,123,123,123,123] [123,123,123,123,123,123,123] [123,123,123,123,123,123,123,123] [123,123,123,123,123,123,123,123,123] ---filter-- [] [] [] [] [] [] [] [] [] [] [] [] [] [1,2,3] [] [0] [0,1] [0,1,2] [0,1,2,3] [0,1,2,3,4] [0,1,2,3,4,5] [0,1,2,3,4,5,6] [0,1,2,3,4,5,6,7] [0,1,2,3,4,5,6,7,8] ---count--- 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 2 3 4 5 6 7 8 9 ---sum--- 0 0 0 0 0 0 0 0 0 0 0 0 0 30 0 10 20 30 40 50 60 70 80 90 ---all--- 1 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 ---exists--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 ---first--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 ---first index--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 ---cumsum--- [] [0,0,0] [] [0] [0,0] [0,0,0] [0,0,0,0] [0,0,0,0,0] [0,0,0,0,0,0] [0,0,0,0,0,0,0] [0,0,0,0,0,0,0,0] [0,0,0,0,0,0,0,0,0] [] [10,20,30] [] [10] [10,20] [10,20,30] [10,20,30,40] [10,20,30,40,50] [10,20,30,40,50,60] [10,20,30,40,50,60,70] [10,20,30,40,50,60,70,80] [10,20,30,40,50,60,70,80,90] ---map-- [] [123,123,123] [] [123] [123,123] [123,123,123] [123,123,123,123] [123,123,123,123,123] [123,123,123,123,123,123] [123,123,123,123,123,123,123] [123,123,123,123,123,123,123,123] [123,123,123,123,123,123,123,123,123] ---filter-- [] [] [] [] [] [] [] [] [] [] [] [] [] [1,2,3] [] [0] [0,1] [0,1,2] [0,1,2,3] [0,1,2,3,4] [0,1,2,3,4,5] [0,1,2,3,4,5,6] [0,1,2,3,4,5,6,7] [0,1,2,3,4,5,6,7,8] ---count--- 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 2 3 4 5 6 7 8 9 ---sum--- 0 0 0 0 0 0 0 0 0 0 0 0 0 30 0 10 20 30 40 50 60 70 80 90 ---all--- 1 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 ---exists--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 ---first--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 ---first index--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 --cumsum--- [] [0,0,0] [] [0] [0,0] [0,0,0] [0,0,0,0] [0,0,0,0,0] [0,0,0,0,0,0] [0,0,0,0,0,0,0] [0,0,0,0,0,0,0,0] [0,0,0,0,0,0,0,0,0] [] [10,20,30] [] [10] [10,20] [10,20,30] [10,20,30,40] [10,20,30,40,50] [10,20,30,40,50,60] [10,20,30,40,50,60,70] [10,20,30,40,50,60,70,80] [10,20,30,40,50,60,70,80,90] ---map-- [] [123,123,123] [] [123] [123,123] [123,123,123] [123,123,123,123] [123,123,123,123,123] [123,123,123,123,123,123] [123,123,123,123,123,123,123] [123,123,123,123,123,123,123,123] [123,123,123,123,123,123,123,123,123] ---filter-- [] [] [] [] [] [] [] [] [] [] [] [] [] ['1','2','3'] [] ['0'] ['0','1'] ['0','1','2'] ['0','1','2','3'] ['0','1','2','3','4'] ['0','1','2','3','4','5'] ['0','1','2','3','4','5','6'] ['0','1','2','3','4','5','6','7'] ['0','1','2','3','4','5','6','7','8'] ---count--- 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 2 3 4 5 6 7 8 9 ---sum--- 0 0 0 0 0 0 0 0 0 0 0 0 0 30 0 10 20 30 40 50 60 70 80 90 ---all--- 1 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 ---exists--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 ---first--- 1 0 0 0 0 0 0 0 0 0 ---first index--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 ---cumsum--- [] [0,0,0] [] [0] [0,0] [0,0,0] [0,0,0,0] [0,0,0,0,0] [0,0,0,0,0,0] [0,0,0,0,0,0,0] [0,0,0,0,0,0,0,0] [0,0,0,0,0,0,0,0,0] [] [10,20,30] [] [10] [10,20] [10,20,30] [10,20,30,40] [10,20,30,40,50] [10,20,30,40,50,60] [10,20,30,40,50,60,70] [10,20,30,40,50,60,70,80] [10,20,30,40,50,60,70,80,90] ---map-- [] [123,123,123] [] [123] [123,123] [123,123,123] [123,123,123,123] [123,123,123,123,123] [123,123,123,123,123,123] [123,123,123,123,123,123,123] [123,123,123,123,123,123,123,123] [123,123,123,123,123,123,123,123,123] ---filter-- [] [] [] [] [] [] [] [] [] [] [] [] [] ['1','2','3'] [] ['0'] ['0','1'] ['0','1','2'] ['0','1','2','3'] ['0','1','2','3','4'] ['0','1','2','3','4','5'] ['0','1','2','3','4','5','6'] ['0','1','2','3','4','5','6','7'] ['0','1','2','3','4','5','6','7','8'] ---count--- 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 2 3 4 5 6 7 8 9 ---sum--- 0 0 0 0 0 0 0 0 0 0 0 0 0 30 0 10 20 30 40 50 60 70 80 90 ---all--- 1 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 ---exists--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 ---first--- 1 0 0 0 0 0 0 0 0 0 ---first index--- 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 ---cumsum--- [] [0,0,0] [] [0] [0,0] [0,0,0] [0,0,0,0] [0,0,0,0,0] [0,0,0,0,0,0] [0,0,0,0,0,0,0] [0,0,0,0,0,0,0,0] [0,0,0,0,0,0,0,0,0] [] [10,20,30] [] [10] [10,20] [10,20,30] [10,20,30,40] [10,20,30,40,50] [10,20,30,40,50,60] [10,20,30,40,50,60,70] [10,20,30,40,50,60,70,80] [10,20,30,40,50,60,70,80,90] --- --- [] [1] [0,0] [1,1,1] [0,0,0,0] [1,1,1,1,1] [0,0,0,0,0,0] [1,1,1,1,1,1,1] [0,0,0,0,0,0,0,0] [1,1,1,1,1,1,1,1,1] [] [0] [] [0,1,2] [] [0,1,2,3,4] [] [0,1,2,3,4,5,6] [] [0,1,2,3,4,5,6,7,8] 0 1 0 3 0 5 0 7 0 9 0 1 0 3 0 5 0 7 0 9 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 1 [] [1] [0,0] [1,2,3] [0,0,0,0] [1,2,3,4,5] [0,0,0,0,0,0] [1,2,3,4,5,6,7] [0,0,0,0,0,0,0,0] [1,2,3,4,5,6,7,8,9] --- --- [] [1] [0,0] [1,1,1] [0,0,0,0] [1,1,1,1,1] [0,0,0,0,0,0] [1,1,1,1,1,1,1] [0,0,0,0,0,0,0,0] [1,1,1,1,1,1,1,1,1] [] ['0'] [] ['0','1','2'] [] ['0','1','2','3','4'] [] ['0','1','2','3','4','5','6'] [] ['0','1','2','3','4','5','6','7','8'] 0 1 0 3 0 5 0 7 0 9 0 1 0 3 0 5 0 7 0 9 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 1 0 1 0 1 0 1 0 1 [] [1] [0,0] [1,2,3] [0,0,0,0] [1,2,3,4,5] [0,0,0,0,0,0] [1,2,3,4,5,6,7] [0,0,0,0,0,0,0,0] [1,2,3,4,5,6,7,8,9]