Implement a queue using two stacks.
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BCA BCSL-033 Data and File Structures Lab Program Write a program in ‘C’ language to implement a queue using two stacks.
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Write a program in ‘C’ language to implement a queue using two stacks.
#include<stdio.h>
int stak1[10], stak2[10], n, top,top1;
/*add elements to que*/
void add()
{
while(top>0)
{
scanf("%d",&n);
stak1[top]=n;
top++;
}
while(top<10)
{
stak2[top1]=stak1[top];
top1++; top--;
}
}
/*delete elements from que*/
void del()
{
int n;
while(top1>0)
n=stak2[top1];
top1--;
}
/*display elements*/
void display()
{
int i=top1;
while(i>0)
{
printf("n%d",stak2[i]);
i++;
}
}
main()
{
printf("nEnter 10 numbersn");
add();
display();
del();
printf("Elements in the que after deleting first elen");
display();
del();
printf("nElements after deleting second elen");
display();
getch();
}
Page 1](https://image.slidesharecdn.com/bcsl-033dataandfilestructureslabs5-4-160515012628/85/Implement-a-queue-using-two-stacks-1-320.jpg)
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All the materials around us are made up of elements. These elements can be broadly divided into two major groups:
Metals
Non-Metals
Each group has its own unique physical and chemical properties. Let's understand them one by one.
Physical Properties
1. Appearance
Metals: Shiny (lustrous). Example: gold, silver, copper.
Non-metals: Dull appearance (except iodine, which is shiny).
2. Hardness
Metals: Generally hard. Example: iron.
Non-metals: Usually soft (except diamond, a form of carbon, which is very hard).
3. State
Metals: Mostly solids at room temperature (except mercury, which is a liquid).
Non-metals: Can be solids, liquids, or gases. Example: oxygen (gas), bromine (liquid), sulphur (solid).
4. Malleability
Metals: Can be hammered into thin sheets (malleable).
Non-metals: Not malleable. They break when hammered (brittle).
5. Ductility
Metals: Can be drawn into wires (ductile).
Non-metals: Not ductile.
6. Conductivity
Metals: Good conductors of heat and electricity.
Non-metals: Poor conductors (except graphite, which is a good conductor).
7. Sonorous Nature
Metals: Produce a ringing sound when struck.
Non-metals: Do not produce sound.
Chemical Properties
1. Reaction with Oxygen
Metals react with oxygen to form metal oxides.
These metal oxides are usually basic.
Non-metals react with oxygen to form non-metallic oxides.
These oxides are usually acidic.
2. Reaction with Water
Metals:
Some react vigorously (e.g., sodium).
Some react slowly (e.g., iron).
Some do not react at all (e.g., gold, silver).
Non-metals: Generally do not react with water.
3. Reaction with Acids
Metals react with acids to produce salt and hydrogen gas.
Non-metals: Do not react with acids.
4. Reaction with Bases
Some non-metals react with bases to form salts, but this is rare.
Metals generally do not react with bases directly (except amphoteric metals like aluminum and zinc).
Displacement Reaction
More reactive metals can displace less reactive metals from their salt solutions.
Uses of Metals
Iron: Making machines, tools, and buildings.
Aluminum: Used in aircraft, utensils.
Copper: Electrical wires.
Gold and Silver: Jewelry.
Zinc: Coating iron to prevent rusting (galvanization).
Uses of Non-Metals
Oxygen: Breathing.
Nitrogen: Fertilizers.
Chlorine: Water purification.
Carbon: Fuel (coal), steel-making (coke).
Iodine: Medicines.
Alloys
An alloy is a mixture of metals or a metal with a non-metal.
Alloys have improved properties like strength, resistance to rusting.
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Implement a queue using two stacks.
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