Google Interview Question for Software Engineers


Country: United States




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These are ranges that don't overlap. we can do a binary search, range check, post sorting.

- nooooob June 08, 2019 | Flag Reply
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A Trie [0-9 at each level] can be used this to store this and the bank name can be stored at the terminating node.

- Anon June 10, 2019 | Flag Reply
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A simple sorted array list of pair object holding pair and bank information. sort it by first range number. Do a binary search and print the bank name.

- Mukul June 14, 2019 | Flag Reply
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can we not simply check if the user input value false in any of these ranges only using if condition?
so when the if condition range is satisfied the bank name is displayed.

- noob June 15, 2019 | Flag Reply
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TreeMap<Integer, RoutingRange> map = new TreeMap<>();

    String findRoutingNumber(int routingNumber) {
        Map.Entry<Integer, RoutingRange> entry = map.floorEntry(routingNumber);
        RoutingRange range = entry.getValue();
        if (range.end >= routingNumber) {
            return range.bank;
        }
        return null;
    }

    public void addRange(int start, int end, String bank) {
        map.put(start, new RoutingRange(end, bank));
    }

- marutee August 18, 2019 | Flag Reply
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0
of 0 vote

Use TreeMap in java

- marutee August 18, 2019 | Flag Reply


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