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THIS QUESTION WAS GIVEN IN i2 TECHNOLOGIES..  ON 14-8-98.
********************************************************
  This is given for 20 marks......
        Simply try to solve it.

Write A Program In C++(Or in C) for the following Data--20 
MIN.
************************************************************
**

A school Trust That manages many schools in a city has 
decided to merge two of its branches by moving all the 
students of different standards and divisions from both the 
branches to their newly acquired complex.How ever,when 
moving,it is ensured that every student's standard and 
division remains same.
 Thus a student of 7F (standard 7,division F)from one of 
the branches will continue to be in 7F in the new school 
complex.
 Given that the student strength of both the branches in 
the form of a list of division and strength pairs 
terminated by a $ sign as shown in the example as 
follows.....
  1A 30  1B 28  2A 35
  2B 38  2C 36  2D 34
  3A 32  3B 34  ---$
  1A 25  1B 24  1C 26
  1D 25  1E 22  2A 40  2B 42
  3A 35........
   $
  Write a program to read the above data and output the 
student 
 strength of the new larger school in the same format.

Your Program
************
1)  Must not assume any limit on the no. of divisions or 
classes in schools.
2)  Must not output divisions with 0 strength.
3)  Must use dynamic structures.



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