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# NCR Placement Paper

 Paper Type : Technical - C & C++ NCR Placement Paper and Sample Paper The pattern for the company NCR Teradata in HYD. The exam was of 1:45 and consisted of C,C++,DataStructures, total 4(5 Marks)... but I couldn't get thru.... Note that the code or the values may not be correct.... Just get the concept. Predict the o/p... each 1 mark 1. static int i; { i=10; ... } printf("%d",i); Ans: 10 2. #define func1(a) #a #define func2(a,b,c) a##b##c printf("%s",func1(func2(a,b,c))) Ans: func2(a,b,c) 3. const int* ptr; int* ptr1; int a=10; const int p=20; ptr=a; ptr1=p; 4. class a virtual disp() { printf("In a");} class b:public a disp() { printf("In b");} class c:public a disp() { printf("In c");} main() { a obj; b objb; c objc; a=objb; a.disp(); a=objc; a.disp(); Ans: "In a" "In a" 5. a="str"; char *b="new str"; char *temp; malloc(sizeof(temp)+1,.... strcpy(a,temp); malloc(sizeof(b)+1,.... strcpy(temp,b); 6. int m,i=1,j=0,k=-1; m=k++||j++&&i++; printf("%d...",m,i,j,k); 7. class x { double b; double *l; float &c; } main() { double g=10.34; double *f=1.3; float k=9; x o; o.b=g; o.l=f; o.c=k; } Ans: Compiler Error Write C/C++ code for following: For all the probs, u will have decide on wht DS to use.... and u'r program must be efficient...explain in detail... (5 Marks) 1. Find the Kth smallest element in a Binary Tree. (5 Marks) 2. Each worker does a job and is given a rating +ve,-ve or Zero. Find the MaxSubSequenceSum for given no. of workers. Ex: Workers=6; Ratings={1,0,-1,4,5,-3} MaxSubSequenceSum=4+5=9 (5 Marks) 3. 1 to N ppl sitting in a circle. Each one passes a hot potato to the next person. After M passes the person holding the potato is eliminated. The last person remaining is winner. Find winner for given N,M. Ex: N=5, M=2, Winner=4 (5 Marks) 4. Reverse a given Linked List. (5 Marks) 5. There is a file called KnowledgeBase.txt which contains some words. Given a sub-string u have to find all the words which match the word in the file. Ex: file contains a, ant, and, dog, pen. If I give "an" I should get o/p as "ant, and" (10 Marks) 6. Company employee have id,level,no. of sub-ordinates under him... If a emp leaves then his sub-ordinates are assigned to any of the emp's seniors... Write four functions:

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