W.A.P FOR USE OF IF - ELSE STATEMENT
#include
<stdio.h>
int
main() /* Most
important part of the program! */
{
int age; /* Need a variable...
*/
printf( "Please enter your age"
); /* Asks for age */
scanf( "%d", &age ); /* The input is put in age */
if ( age < 100 ) { /* If the age is less than
100 */
printf ("You are pretty
young!\n" ); /* Just to show you it works... */
}
else if ( age == 100 ) { /* I use else just to show an
example */
printf( "You are old\n"
);
}
else {
printf( "You are really
old\n" ); /* Executed if no
other statement is */
}
return 0;
}
FLOW CHART OF IF -ELSE STATEMENT
W.A.P FOR USE OF IF ELSE STATEMENT
main () {
/* local variable definition */
int a = 100;
/* check the boolean condition */
if( a < 20 ) {
/* if condition is true then print the following */
printf("a is less than 20\n" );
}
else {
/* if condition is false then print the following */
printf("a is not less than 20\n" );
}
printf("value of a is : %d\n", a);
return 0;
}
a is not less than 20;
value of a is : 100
FLOW CHART OF IF -ELSE STATEMENT
W.A.P FOR USE OF IF STATEMENT
#include <stdio.h>
int main(){
int num;
printf("Enter a number to check.\n");
scanf("%d",&num);
if(num<0) { /* checking whether number is less than 0 or not. */
printf("Number = %d\n",num);
}
/*If test condition is true, statement above will be executed, otherwise it will not be executed */
printf("The if statement in C programming is easy.");
return 0;
}
Output
Enter a number to check.
-2
Number = -2
FLOW CHART OF IF - STATEMENT
W.A.P FOR USE OF IF STATEMENT
#include <stdio.h>
int main()
{
int x, y;
printf("enter the value of x:");
scanf("%d", &x);
printf("enter the value of y:");
scanf("%d", &y);
if (x y)
{
printf("x is greater than y");
}
printf("Hi, I'm out of all try blocks");
return 0;
}
Output
enter the value of x: 12
enter the value of y: 12
x is equal to y
Hi, I’m out of all try blocks
FLOW CHART OF IF – STATEMENT
W.A.P FOR USE OF ELSE IF LADDER STATEMENT
#include <iostream>
using namespace std;
int main ()
{
// declare local variable
int marks = 55;
// check the boolean condition
if( marks >= 80 )
{
// if 1st condition is true
cout << "U are 1st class !!" << endl;
}
else if( marks >= 60 && marks < 80)
{
// if 2nd condition is false
cout << "U are 2nd class !!" << endl;
}
else if( marks >= 40 && marks < 60)
{
// if 3rd condition is false
cout << "U are 3rd class !!" << endl;
}
else
{
// none of condition is true
cout << "U are fail !!" << endl;
}
return 0;
}
Output:
U are 3rd class !!
FLOW CHART OF ELSE IF LADDER STATEMENT
W.A.P FOR USE OF SWITCH STATEMENT
int main()
{
int num=2;
switch(num+2)
{
case 1:
printf("Case1: Value is: %d", num);
case 2:
printf("Case1: Value is: %d", num);
case 3:
printf("Case1: Value is: %d", num);
default:
printf("Default: Value is: %d", num);
}
return 0;
}
Output:
Default: value is: 2
FLOW CHART OF SWITCH STATEMENT
W.A.P FOR USE OF FOR STATEMENT
#include <stdio.h>
int main(){
int n, count, sum=0;
printf("Enter the value of n.\n");
scanf("%d",&n);
for(count=1;count<=n;++count) //for loop terminates if count>n
{
sum+=count; /* this statement is equivalent to sum=sum+count */
}
printf("Sum=%d",sum);
return 0;
}
Output
Enter the value of n.
19
Sum=190
FLOW CHART OF FOR STATEMENT
W.A.P FOR USE OF WHILE STATEMENT
#include <stdio.h>
int main () {
/* local variable definition */
int a = 10;
/* while loop execution */
while( a < 20 ) {
printf("value of a: %d\n", a);
a++;
}
return 0;
}
OUTPUT: -
value of a: 10
value of a: 11
value of a: 12
value of a: 13
value of a: 14
value of a: 15
value of a: 16
value of a: 17
value of a: 18
value of a: 19
FLOW CHART OF WHILE STATEMENT
W.A.P FOR USE OF DO- WHILE STATEMENT
#include <stdio.h>
#include <conio.h>
void main(){
int i=1;
clrscr();
do{
printf("%d \n",i);
i++;
}while(i<=10);
getch();
}
FLOW CHART OF DO-WHILE STATEMENT
W.A.P FOR USE OF BREAK STATEMENT
#include <stdio.h>
int main () {
/* local variable
definition */
int a = 10;
/* while loop execution
*/
while( a < 20 ) {
printf("value
of a: %d\n", a);
a++;
if( a > 15) {
/* terminate the
loop using break statement */
break;
}
}
return 0;
}
OUTPUT: -
value of a: 10
value of a: 11
FLOW CHART OF BREAK STATEMENT
W.A.P FOR USE OF CONTINUE STATEMENT
#include <stdio.h>
int main () {
/* local variable definition
*/
int a = 10;
/* do loop execution */
do {
if( a == 15) {
/* skip the iteration */
a = a + 1;
continue;
}
printf("value of a: %d\n", a);
a++;
} while( a < 20 );
return 0;
}
OUTPUT: -
value of a: 10
value of a: 11
FLOW CHART OF CONTINUE STATEMENT
W.A.P FOR USE OF GOTO STATEMENT
#include <stdio.h>
int main () {
/* local variable definition
*/
int a = 10;
/* do loop execution */
LOOP:do {
if( a == 15) {
/* skip the iteration */
a = a + 1;
goto LOOP;
}
printf("value of a: %d\n", a);
a++;
}while( a < 20 );
return 0;
}
OUTPUT: -
value of a: 10
value of a: 11
FLOW
CHART OF GOTO STATEMENT
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