@@ -21,9 +21,41 @@ function findProduct(arr) {
2121 let right = 1 ;
2222
2323 // multiply all the numbers to the right side
24- for ( let i = arr . length - 1 ; i > 0 ; i -= 1 ) {
24+ for ( let i = arr . length - 1 ; i >= 0 ; i -= 1 ) {
2525 result [ i ] *= right ;
2626 right *= arr [ i ] ;
2727 }
2828 return result ;
2929}
30+ 31+ function findProduct2 ( arr ) {
32+ let countZeros = 0 ;
33+ let positionOfZero = - 1 ;
34+ let productOffAllExpectZero = 1 ;
35+ let result = [ ] ;
36+ for ( let i = 0 ; i < arr . length ; i += 1 ) {
37+ if ( arr [ i ] === 0 ) {
38+ countZeros += 1 ;
39+ positionOfZero = i ;
40+ } else {
41+ productOffAllExpectZero *= arr [ i ] ;
42+ }
43+ }
44+ 45+ if ( countZeros === 0 ) {
46+ for ( let i = 0 ; i < arr . length ; i += 1 ) {
47+ result [ i ] = productOffAllExpectZero / arr [ i ] ;
48+ }
49+ } else if ( countZeros === 1 ) {
50+ result = Array ( arr . length ) . fill ( 0 ) ;
51+ result [ positionOfZero ] = productOffAllExpectZero ;
52+ } else if ( countZeros >= 2 ) {
53+ result = Array ( arr . length ) . fill ( 0 ) ;
54+ }
55+ return result ;
56+ }
57+ 58+ module . exports = {
59+ findProduct,
60+ findProduct2,
61+ } ;
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