Answer / sneh nagaonkar

/*Program to takes the the data of a 3x3 matrix and check if the given matrix is magic

square or not*/
#include <stdio.h>
#include <conio.h>
int num[3][3];
int sum[8];
int r,c,i;

/*Function to take the value in matrix from user*/
void read_matrix()
{
for(r=0;r<3; r++)
{
for(c=0;c<3; c++)
{
printf("Enter value for %d %d::",r,c);
scanf("%d",&num[r][c]);
}
}
}

/*Function to print matrix and get the sum of rows,cols and diaglons*/
void print_calc_rows_cols()
{
int sum_row,sum_col,ctr=0;

/*Print the Matrix and get the sum of rows*/
for(r=0;r<3; r++)
{
sum_row=0;
for(c=0;c<3; c++)
{
printf("\t%d",num[r][c]);
sum_row=sum_row+num[r][c];
}
sum[ctr]=sum_row;
ctr++;
printf(":: %d",sum_row);
printf("\n");
}
printf("\t::\t::\t::\n");

/*Get the sum of columns*/
for(c=0;c<3;c++)
{
sum_col=0;
for(r=0;r<3;r++)
sum_col=sum_col+num[r][c];

sum[ctr]=sum_col;
ctr++;
printf("\t%d",sum_col);
}
printf("\n");

/*Get the sum of diagnols*/
sum[6]=num[0][0]+num[1][1]+num[2][2];
sum[7]=num[0][2]+num[1][1]+num[2][0];

}

/*Function to Check the sum of rows,cols and diagnols*/
char check_matrix()
{
char c;
for(i=0;i<3; i++)
{
if(sum[i]==sum[i+1])
c='y';
else
{
c='n';
break;
}
}
return c;
}

void main()
{
char c;
clrscr();
read_matrix();
print_calc_rows_cols();
c=check_matrix();


/*Print the result*/
if(c=='y')
printf("\nThis Matrix is a Magic Square");
else
printf("\nThis Matrix is Not a Magic Square");

getch();
}

Seat Reservation prog for the theatre. Write a function for seat allocation for the movie tickets. Total no of seats available are 200. 20 in each row. Each row is referred by the Character, "A" for the first row and 'J' for the last. And each seat in a row is represented by the no. 1-20. So seat in diffrent rows would be represented as A1,A2....;B1,B2.....;........J1,J2... Each cell in the table represent either 0 or 1. 0 rep would seat is available , 1 would represent seat is reserved. Booking should start from the last row (J) to the first row(A). At the max 20 seats can be booked at a time. if seats are available, then print all the seat nos like "B2" i.e (2 row, 3 col) otherwise Print "Seats are not available." and we must book consecutive seats only.

1 Answers   Nagarro,

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write a program that prompt the user to enter his height and weight,then calculate the body mass index and show the algorithm used

0 Answers   Jomo Kenyatta University,

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An array of size 5X5 is given to us. The elements from 1 to 25 are to be inserted in the array, such that starting from a particular position for an element i, the next element i+1can be inserted only at the mentioned positions (u,v), and if these all positions are occupied then it returns giving a count of how many positions have been occupied in the array: (u,v) = (x+/-3 , y) (u,v) = (x , y+/-3) (u,v) = (x+/-2 , y+/-2). Example: if the starting element is 1 with the given positions (1,2), then next element 2 can be placed at any one of the positions marked with *. _ _ _ _ _ 1 _ _ _ * _ _ _ _ _ _ _ * _ _ * _ _ _ _

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Where now stands that small knot of villages known as the Endians, a mighty forest once stood. Indeed, legand has it that you could have stoodon the edge of the wood and seen it stretch out for miles, were it not for the trees getting in the way. In one section of the forest, the trees stood in a row and were of hight from 1 to n, each hight occurring once and once only. A tree was only visible if there were no higher trees before it in the row. For example, if the heights were 324165, the only visible trees would have been those of height 3,4 & 6. Write a Program that takes an array of integers representing the heights of the trees in the row as input and prints the list of the visible trees.

2 Answers   ABC, Nagarro,

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0 Answers  

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A Binary no. is given, we hav to find it's decimal equivalent.

2 Answers   Microsoft,

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Write a program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.

3 Answers   TCS, Vimukti Technologies, Wipro,

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Complexity T(n) What is the time complexity T(n) of the following portions of code? For simplicity, you may assume that n is a power of 2. That is, n = 2k for some positive integer k. a) ? for (i = 1; i <= n; i++) { j = n; cout << i << ? ? j << ? ? << endl; } b) ? for (i = 0; i <= n; i += 2) { j = n; cout << i << ? ? j << ? ? << endl; } c) ? for (i = n; i >= 1; i = i/2) { j = n; cout << i << ? ? j << ? ? << endl; } d) for (i = 1; i <= n; i++) { j = n; while (j >= 0) { cout << i << ? ? j << ? ? << endl; j = j - 2; } }

0 Answers   Qatar University,

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can we declare an object of a class in another class?(assume both class as public classes)

1 Answers   Microsoft,

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write a c program, using for loop, that accepts and odds two numbers. The output must be the sum and the addens. This should be repeated 5 times while the first number is decremented by one and the second number is incremented by 1.

2 Answers   IBM, Infosys,

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Assume in University Every student in university as entity, prepare a class for student that store the roll no, name, dob of student, and make funtion of deletion, manipulation, addition of student record.

0 Answers  

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how to find out the maximum number out of the three inputs.

6 Answers   ABC, Apple, C3I, HP, TCS,

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