DIA Technologies ..... Shahid Mehmood Akhtar, B.S Honours [ 2001-04 ],University of Engineering and Technology Lahore, Pakistan. All the Programs, Projects and Games in C++, C, Visual Basic, Java and Assembly Language are written by DIA Tech.  Please send your Comments and Suggestions about the web site to DIA Tech at [email protected].
   
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This section Challenging Problems contains some very interesting and challenging problems. Try to solve them in order to test your programming skills. The time for each problem in "Miscellaneous Problems" section is 45-60 minutes. The solution of many problems is also provided in the zip file.

select one of the Problem Set listed below:
NUCES ACM First All Pakistan Programming Competition
Softcom 2002
Lahore Open On-Spot Programming (LOOP) Competition
8th All Pakistan S/W, Programming & Ideas Xtreme Competition - Softec'03
Softcom 2003
IEEE-Week 2003 - The Coder Competition
Softec'04
Bits Bytes & Colors 2004
ZABVISION 2004
Miscellaneous Problems

Note:
All the given files are in zip format, which can be uncompressed with the help of a compression tool. If you do not have any tool, then you can get one from Utilities:Compression Tools.

NUCES ACM First All Pakistan Prog. Com.

These problems are given in NUCES ACM First All Pakistan Programming Competition held at NUCES [ National University of Computer and Emerging Sciences ] Lahore Campus on 30th-31st March, 2002 by NUCES ACM Student Chapter.

  Problems: 7 | Time: 5 Hrs | Size: 36.2KB | Download
Softcom 2002

These problems are given in Softcom 2002 held at GIKI [ Ghulam Ishaq Khan Institute of Science and Technology ] Topi, NWFP on 26th-28th September, 2002 by GIKI ACM Student Chapter.

  Problems: 2 | Time: 4 Hrs | Size: 16.1KB | Download
LOOP Competition

These problems are given in Lahore Open On-Spot Programming (LOOP) Competition held at UCP/PICS [ University of Central Punjab ] Lahore on 26th January, 2003 by SACS.

  Problems: 6 | Time: 5 Hrs | Size: 28.5KB | Download
Softec'03

These problems are given in 8th All Pakistan Software, Programming and Ideas Xtreme Competition - Softec'03 held at NUCES [ National University of Computer and Emerging Sciences ] Lahore Campus on 1st-2nd February, 2003 by Softec.

  Problems: 6 | Time: 5 Hrs | Size: 26.7KB | Download
Softcom 2003

These problems are given in Softcom 2003 held at GIKI [ Ghulam Ishaq Khan Institute of Science and Technology ] Topi, NWFP on 25th-27th September, 2003 by GIKI ACM Student Chapter.

  Problems: 5 | Time: 4 Hrs | Size: 30.1KB | Download
IEEE-Week 2003 - The Coder Comp.

These problems are given in IEEE-Week 2003 - The Coder Competition held at NUCES [ National University of Computer and Emerging Sciences ] Lahore Campus on 10-14th November, 2003 by ACM-NUCES & IEEE Computer Society Lahore Section.

  Problems: 8 | Time: 3 Hrs | Size: 32.7KB | Download
Softec'04

These problems are given in Softec'04 held at NUCES [ National University of Computer and Emerging Sciences ] Lahore Campus on 22nd-23rd March, 2004 by Softec.

  Problems: 5 | Time: 2 Hrs | Size: 21 KB | Download
Bits Bytes & Colors 2004

These problems are given in Bits Bytes & Colors 2004 held at Bahria Institute of Management and Computer Sciences, Shangrila Road, Naval Complex, E-8, Islamabad on 17-18th April, 2004 by BACSAP [ Bahrians' Association of Computer Students And Professionals - An ACM Student Chapter ].

  Problems: 4 | Time: 4 Hrs | Size: 37.1 KB | Download
ZABVISION 2004

These problems are given in ZABVISION 2004 held at SZABIST [ Shaheed Zulfiqar Ali Bhutto Institute of Science & Technology ] Islamabad Campus on 6-7th June, 2004 by SZABCOMS.

  Problems: 3 | Time: 2 Hrs | Size: 12.6 KB | Download
Miscellaneous Problems
CP-01 Conversion of Decimal Number into HexaDecimal Number.
CP-02 Add pair of M*N Matrices.
CP-03 Remove all words from the given text that are palindromes.
CP-04 Add n Integers and display their sum.
CP-05 Sort a set of strings in ascending or decending order of their weights.
CP-06 Draw a Spiral rotating clockwise at the center of the screen.
CP-07 Calculate anybody�s single digit lucky number from the given criteria.
CP-08 Find the reciprocal of a positive integer.
CP-09 Telephone Exchange & Consumer Bill Problem.
CP-10 Reverse the words of a Sentence in the original order.
CP-11 Variable replacement in a line of text.
CP-12 Cities Combination Problem.
CP-13 Show the contents of a 2D array according to the given criteria.
CP-14 What's The Frequency, Kenneth?
CP-15 Conversion of an Equation from Infix to Postfix.
CP-16 Encoding and Decoding of a Message.
CP-17 Checking the Overflow.
CP-18 Generating a Triangle Wave.
CP-19 The 3n+1 Problem.
CP-20 Translation of English Number into Decimal Number.
CP-21 Uncompressing of a compressed string.
CP-22 Rotating a word by n characters.
CP-23 Finding the largest prime substring of an integer.
CP-24 Checking the parity property of a Matrix for Even.
CP-25 Conversion of a number between Little Endian & Big Endian machines.
CP-26 Addition & Subtraction of integers of any length.
CP-27 Tokenizing of a string of any length.
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