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Programs Questions and Answers



  • 281. You have a job in which you have to take time stamps and store them. So Write a data structure that can minimize the storage requirements of Year, Month, Date, Hour, Minute.

    Input : ,   Output :

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  • 282. Write a program to find the four digit numbers, which are perfect squares, and all the digits in that number are even.

    Input : ,   Output :

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  • 283. Start from a random number, generate a sequence such that if number is odd multiply it 3 and add 1. If number is even, divide the number by 2. This Sequence will always cyclic with 4, 2, 1. In this sequence, find the maximum power of 2 generated in the sequence and print only the power, not the sequence.

    Input : ,   Output :

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  • 284. Start with a random 2 digit number, The series is generated by multiplying the number by 2 and placing the last 2 digits as the next number. Series continues until one of the element repeats.

    Input : ,   Output :

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  • 285. Write a program to print all the four digit numbers whose squares must have all the even digits.

    Input : ,   Output :

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  • 286. Write a program to print the pyramid up to the passed integer value.
    
             1
           2    3
         4    5     6
       7    8     9    10
     11  12   13 . .
    
    If we pass the value 13 it should print like the above (no need to print the 3 dots)

    Input : ,   Output :

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  • 287. Write a function which takes one string S, one character X, one more Character Y, which should return the longest substring in the String S, which starts with the X and ends with Y?

    Input : ,   Output :

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  • 288. Write a program to accept two time stamps in the given format HH:MM:SS using apropriate datatypes and find the difference between the time stamps in seconds.
    

    Input : ,   Output :

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  • 289. Write a function to accept a number 'n' and
     a)if n is negative then return -1.
     b)if n is positive and perfect number then return sqrt(n).
     c)if n is positive and not a perfect no. then return n(n+1)/2

    Input : ,   Output :

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  • 290. Write a program to print in the format
     
             1
           2   2
         3   3   3
       4   4   4   4
     5    5   5   5   5

    Input : ,   Output :

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