@harsha : yes, the problem is if u r finding only min and max value, it might happen that u sell the stock before buying. Ex- int a [ ] = { 5, 10, 4, 6, 7 }; the min value is 4 and max is 10 and 10 comes before 4, means u sell the stock before buying. and i think the sol given by mukul does the same mistake.we need to keep track this case also whether the day(array index) i m buying is not more than the day(array index) we are selling the stock.
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