About Lesson
C
/*
loop is a technique to execute one or more than one instructions again
and again
Loop execute in 2 modes or situations
1. Known - example - Run around a ground 3 time.
for loop
2. Un Known - example - Run around a ground untill you tired.
while
do-while
In c langauge for loop is used for known situations. It is counter control
loop. syntax - <---------------
(1) (2) <----------------------
for(initialize-loop-counter;condition;incr|decr-in-counter) -
{ - (true) -
....<--------------------if condition goes to true come inside loop -
.... execute statement one by one -
.... 3 -
}----- from closing braces go to incr or decr point--------------------
*/
#include<stdio.h>
#include<conio.h>
void main()
{
int i;
clrscr();
for(i=1;i<=5;i=i+1) //1
{
printf("\nHello User");
}
getch();
}
/*
Dry Run
i condition Output
1 True Hello User
2 T Hello User
3 T Hello User
4 T Hello User
5 T Hello User
6 F
--------------------------------Output
Hello User
Hello User
Hello User
Hello User
Hello User
*/
/*
Assignment
(1).
1.Hello User
2.Hello User
3.Hello User
4.Hello User
5.Hello User
-------
(2).
1
2
3
4
5
6
7
8
9
10
-------
(3)
2
4
6
8
10
12
14
16
18
20
----------
(4)
1
2
4
8
16
32
64
128
256
512
----------------
(5)
1
4
9
16
25
36
49
64
81
100
----------------------
(6)
print sum of all nos upto 10
eg. 1+2+3+4+5+6+7+8+9+10=55
(7)
print product of all nos upto 5
eg. 5x4x3x2x1=120
(8)
enter a number and print factorial
(9)
enter m and n print product of m "n" times
eg. m=3 and n=4 ans= mxmxmxm=>81
(10).
print all even nos upto 50
*/