# C program for set union and intersection operations?

# A logical operator representing the intersection of two sets?

There is no built-in logical operator that can achieve this.Logical operators operate upon Boolean operands (true and false)and output a Boolean value. Converting a set to a B…oolean valuewon't tell us which individual elements exist within that set andwithout that vital information we cannot represent the intersectionof two such sets. To represent the intersection of two sets we need to represent the"universe of elements" as a bitmap, where each bit representsexactly one element of the universe. If the universe has 10elements then we need a bitmap of 10 bits: 1111111111 = universe of elements Note that a bitmap is nothing more than a binary value. We can then represent the sets, A and B, as subsets of thisuniverse: A = 1011011011 B = 0101101101.
If we perform a logical AND (operator &&) these binaryvalues would implicitly convert to Boolean values. Given that bothvalues are non-zero, they will both convert to true and the resultwould also be true: C = A && B; // e.g., C = true && true = true This would only tell us that an intersection exists, it will nottell us what the intersection actually is. However, if we perform a bitwise AND (as opposed to a logical AND),we can determine which individual bits are present in both sets: C = A & B; // e.g., C = 1011011011 & 0101101101 =0001001001 Here we can see that both sets contain the 1st, 4th and 7thelements of the universe (starting from the low-order bit, readingright-to-left). The built-in logical AND operator can only accommodate as many bitsas will fit in a word. If the machine supports 64-bit operations,then the universe of elements is limited to 64 elements at most. Ifwe have a larger universe, we cannot use built-in operators andmust provide a named function instead. First, let's define avariable length set of integers as an array: struct set { int* data; // pointer to an array of integers size_t size; // length of the array }; Now we can define an intersect function: set intersect (set A, set B) { set C; C.size = A.size>B.size?A.size:B.size; // use the larger of thetwo set sizes C.data = malloc (C.size * sizeof (int)); // allocate memory C.size=0; // start at index 0 for (int i=0; i

# What is the difference between union and intersect operations in SQL?

The UNION operator combines the output of two query expressions into a single result set. Query expressions are executed independently, and their output is combined into a sin…gle result table. .
The EXCEPT operator evaluates the output of two query expressions and returns the difference between the results. The result set contains all rows returned from the first query expression except those rows that are also returned from the second query expression. .
The INTERSECT operator evaluates the output of two query expressions and returns only the rows common to each.

# Explain union and intersection of sets?

The union of two or more sets is a set containing all of the members in those sets. For example, the union of sets with members 1, 2, 3, and a set with members 3, 4, 5 is …the set with members 1, 2, 3, 4, 5. So we can write: Let A = {1. 2. 3} and B = {3, 4, 5}, then AâªB = {1, 2, 3, 4, 5} The intersection of two or more sets is the set containing only the members contained in every set. For example, the intersection of a set with members 1, 2, 3, and a set with members 3, 4, 5 is the set with only member 3. So we can write: Let A = {1. 2. 3 } and B = { 3 , 4, 5}, then A â© B = {3}

# C program to find union of the given two set?

include #include void main() { int i,k=0,x[10],y[10],c[25],j,n,n1,d[25],f=0; clrscr(); printf("\n how many elements in SET 1:"); scanf("%d",&n); for(i=0;i

# What is union and intersection of sets?

Given any two sets, for instance, A={a i } and B={b i }, the union of the sets are the values that are contained in either A or B, whereas the intersection of the sets are t…he values that are contained in both A and B. For instance, let A={1, 2, 4, 6, 9, 12} and B={1, 5, 7, 9, 11, 15}, then the union would be AâªB={1, 2, 4, 5, 6, 7, 9, 11, 12, 15} and the intersection would be Aâ©B={1, 9}.

# How do you solve A intersecting B union C?

The answer depends on whether you mean A intersecting (B union C) or (A intersecting B) union C.

# What is a set of programs that govern the operation of a computer?

An operating system.

# Write a programme in C to find the union and intersection of two sets?

write a program to find union and inter section of two array BY: SNDPLN | DATE: APRIL 18, 2011 | CATEGORIES: SOLVEDIFF .
/*************************/-P-7-/*****************…********** NAME:-Nimbalkar Yogesh Dattatraya Roll No:-452 Class:-F.Y.B.C.A Program Name:-Wirte a progam to find union & inter section of two st of integers(store it in tow array) ***********************************************************/ #include #include void main() { int a[5],b[5],c[10],d[10]; int i,j,k,f,x; clrscr(); printf("n Enter element of set A="); for(i=0;i

# Set operations that show union and intersection real world examples when using algebraic equations?

On a voyage to Atlantis, Ariel from The Little Mermaid decided topick up shells so that she could make necklaces for her mermaidfriends. She picked up 30 green shells, 35 blue… shells, and 30yellow shells. 17 of the green shells had some blue in them. 15 ofthe shells had both yellow and blue in them, and 10 of the shellshad both yellow and green in them. If just one shell had all threecolors in it, how many total shells did Ariel pick up?

# What are operators in C programming?

Like these: > ==

# Difference between Union and Set Intersection Operation?

union means to group the given sets. where as intersection means to pick out the common elements from the given sets. if set a has 1,2,3 elements and B has 1,2,3,4,5. then i…ts union will have 1,2,3,4,5 as its elements. and its intersection will have 1,2,3 as its elements.

# What is union and intersection of set?

Union: putting the elements of the sets together Intersection: getting the common elements of the sets Example: Set A={1,2,3} Set B={2,3,4,5} Union of Sets A&B= {1,2,3,4,5} …Intersection of Sets A&B = {2,3}

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# What are intersection sets and union sets?

Sets contain elements. The intersection of sets (represented by an upside-down 'U') is the list of elements that are common in both sets. The union of sets (represented by 'U'…) is the list of all the elements in the relevant sets. E.g. If A={a,b,c,d,e,f} and B={a,e,i,o,u}: The intersection of A and B is {a,e}. The union of A and B is {a,b,c,d,e,f,i,o,u} (notice how repeating elements, e.g. 'a' and 'e', are only listed once even though they occur in both sets.)

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# Is there any case when union and intersection are same in sets?

if we have set A and B consider A={1,2,3,4}and B={3,4,5,6} the union of these sets is A and B={1,2,3,4,5,6}and the intersection is{3,4} the union and the intersection are …same only if A=B

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In Computers

# What is a set of programs that governs the operation of a computer?

KERNEL and SHELL are two major program sets of Operating Systems..
KERNEL governs the operations of a computer and SHELL enables Users to interact with Operating System.

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# What is the union intersection set?

Given two or more sets there is a set which is their union and a set which is there intersection. But, there is no such thing as a "union intersection set", as required for th…e answer to the question.

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# How do you use venn diagram to represent the union and intersection sets?

For two sets, the Venn diagram will consist of two overlappingovals. The area of the overlap is the intersection. The entire areaof both ovals is the union.