1
GATE CSE 2021 Set 1
MCQ (More than One Correct Answer)
+2
-0.67

Define Rn to be the maximum amount earned by cutting a rod of length n meters into one or more pieces of integer length and selling them. For i > 0, let p[i] denotes the selling price of a rod whose length is i meters. Consider the array of prices:

p[1] = 1, p[2] = 5, p[3] = 8, p[4] = 9, p[5] = 10, p[6] = 17, p[7] = 18

Which of the following statements is/are correct about R7?

A
R7 cannot be achieved by a solution consisting of three pieces.
B
R7 = 19
C
R7 = 18
D
R7 is achieved by three different solutions.
2
GATE CSE 2014 Set 1
MCQ (Single Correct Answer)
+2
-0.6
Consider the following C functions in which size is the number of elements in the array E:
int MyX(int *E, unsigned int size){
 int Y = 0;
 int Z;
 int i,j,k;
 for(i = 0; i < size; i++)
       Y = Y + E[i];
 for(i = 0; i < size; i++)
   for(j = i; j < size; j++){
     Z = 0;
     for(k = i; k <= j; k++)
        Z = Z + E[k];
     if(Z > Y)
        Y = X;
   }
   return Y;
}
The value returned by the function MyX is the
A
Maximum possible sum of elements in any sub-array of array E.
B
Maximum element in any sub-array of array E.
C
Sum of the maximum elements in all possible sub-arrays of array E.
D
The sum of all elements in the array E.
3
GATE CSE 2004
MCQ (Single Correct Answer)
+2
-0.6
Two matrices M1 and M2 are to be stored in arrays A and B respectively. Each array can be stored either in row-major or column-major order in contiguous memory locations. The time complexity of an algorithm to compute M1$$\times$$ M2 will be
A
Best if A is in row-major and B is in column-major order
B
Best if both are in row-major order
C
Best if both are in column-major order
D
Independent of the storage scheme
4
GATE CSE 1998
MCQ (Single Correct Answer)
+2
-0.6
Let A be a two dimensional array declared as follows:
A : array [ 1... 10] [1... 15] of integer;
Assuming that each integer takes one memory locations the array is stored in row-major order and the first element of the array is stored at location 100, what is the address of the element A[i] [j]?
A
15i + j + 84
B
15j + i + 84
C
10i + j + 89
D
10j + i + 89
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