Given an array of size N in which every number is between 1
and N, determine if there are any duplicates in it. You are
allowed to destroy the array if you like.

Answer Posted / madhu h gopala

@arr = (6,7,4,1,9,8,7,1);
print scalar @arr;
%seen = map {$_ => 1} @arr;
print scalar keys %seen

If the size of the array varies then there are duplicates

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

write a program for area of circumference of shapes

2040


write a simple calculator c program to perform addition, subtraction, mul and div.

3158


To Write a C program to remove the repeated characters in the entered expression or in entered characters(i.e) removing duplicates. String contains only lowercase characters ['a'-'z']

508


could you please send the program code for multiplying sparse matrix in c????

3079


How do you verify if the two sentences/phrases input is an anagram using predefined functions in string.h and by using arrays?

2032






#include int main(void) { int a=4, b=2; a=b<>2 ; printf("%d",a); return 0; }

1080


Can you send Code for Run Length Encoding Of BMP Image in C Language in linux(i.e Compression and Decompression) ?

3861


How to palindrom string in c language?

8897


How can you relate the function with the structure? Explain with an appropriate example.

2925


A program that will create a movie seat reservation. The program will display the summary seats and its status. The user will be ask what seat no. to be reserved, then it will go back again to the summary to display the updated seat status. If the seat no. is already reserved then it will prompt an error message. And also if the input seat no is out of range then it will also prompt an error message. The program is continuously running. Termination of the program will depends on how the programmer will apply. Sample output: Movie Seats Reservation Summary of Seats: Seat 1: Available Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 1 Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 6 The Seat no. is out of range! Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 1 The Seat no. is already reserved! Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 0 GoodBye... Thank You!!!

1850


What is the difference between proc means and proc tabulate ? explain with a simple example when you have to use means or tabulate?

3720


write a function to give demostrate the functionality of 3d in 1d. function prototye: change(int value,int indexX,int indexY,int indexZ, int [] 1dArray); value=what is the date; indexX=x-asix indexY=y-axis indexZ=z-axis and 1dArray=in which and where the value is stored??

4154


how to test pierrot divisor

2265


Write a routine to implement the polymarker function

4389


Develop a routine to reflect an object about an arbitrarily selected plane

3004