Learn Programming Technique C to Master Skills - Loop Within Loop Program Explanation in Flow chart - video Dailymotion

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00:00Hello everyone today I am going to explain lube within lube

00:05In my last video I have explained lube within lube with the example of a realistic approach

00:13I have given the realistic approach example to explain it

00:17I have given the example of a watch

00:20I have given the example of a clock

00:22How the hours, minutes and hand work

00:26How the time changes and the control comes to the minutes hand and the minutes hand take the full

00:31rotation from 1 to 60 and again controls goes back to the hours hand and it and the time changes

00:39and then again controls come back to the minutes hand

00:43So the hours hand is working as a outer loop and the minutes hand is working as a

00:48inner loop that I have explained in my last video

00:52So just keep the procedures that the method in which the clock works in your mind

00:58because the same methodology almost the same method of working of a clock

01:05is applicable in lube within lube also

01:07Okay so this is the program which I am going to explain of lube within lube

01:13What I have to display I have to display this one on the first row

01:18Then the second row I have to display one and two

01:21So on the second row it's going to cover the second row first column

01:27Then the second row second column and the third row I have to display one two three

01:32So it's going to cover what third row first column third row second column third row third column

01:42Okay so in this way I have to display first one

01:46and then one two then what one two three

01:49So here is a block diagram here's a flow chart of it

01:54This one where I am rotating my mouse i equals to one and i less than equals to three

02:00represents to the outer loop okay

02:03and the inner one where j equals to one and j less than equals to i

02:07this one represents to the inner loop okay

02:11So the outer loop is for the rows and the inner loop is for columns okay

02:18So let us do the dry run and understand how the things will work

02:22The value of i is what one one less than three the condition is true

02:28Just remember the values of i and j okay

02:32What is the value of i it's one one less than three the condition is true

02:37Immediately it will come inside the inner loop

02:40What is the value of j it's one okay j less than equals to i

02:46So what is the value of j it's one what is the value of i it's one

02:51So one equal to one the condition is true so I am going to display the value of j okay

02:57So I am going to display the value of j so what is the value of j it's one

03:01So one is going to display okay

03:05Now the value of j is going to change one plus one that is what two

03:11Now the new value of j is what two okay now the inner loop will continue

03:17The value of j is two two less than one as the value of i is one

03:24Here the condition will get false okay here the condition will get false

03:28It will come to the no part and it will come to the outer loop

03:32And the outer loop the value of i is going to increment

03:36What is the value of i it is one one is going to add with it

03:40So what one plus one that is what two okay

03:45Now the outer loop will work here it will go to the decision part

03:51Two less than three yes two is less than three the condition is true

03:56Immediately it will come to the inner loop

03:58Now as I've explained the example of clock and watch that when from hours hand control

04:07Comes to the minutes hand it's not going to start from 61 62 like that the minutes okay

04:13But it's going to start from its initial value that is one one minute

04:17And it will take the full rotation one two three four up to 60 minutes

04:22Then the hours hand will change the time

04:25The same procedure is applicable here once the control will come inside the inner loop

04:31The j is going to start from its initial value that is one okay

04:36So one less than equals to two this time value of i is what two yes one less than equals to two

04:43The condition is true it will come to the yes part

04:46What is the value of j it's one so one is going to print okay

04:51Then one plus one now the value of j is going to change that is what two okay

04:58Now the new value of j is what two inner loop will continue two equals to two

05:04Yes as the value of i is two we have to remember the values of the variables

05:10Value of j is two the value of i is two two equals to two the condition is true

05:15It will come to the yes part now it's going to display j

05:19And the value of j is what two so it's going to display what two okay

05:27Now two plus one that is what three two plus one three now the new value of j is three

05:34It will go here three less than two what will happen the condition will get false

05:40It will come to the no part

05:42To the outer loop the value of i is going to increment okay two plus one that is what three

05:51Now the value of i is incremented okay two plus one that is what three

05:56Now the new value of i is what three on the outer loop here three equals to three

06:03The condition is true now it will come to the inner loop

06:07The inner loop will start from its initial value that is j equals to one

06:12Now j is what one and it's going to compare with three one less than three

06:18Yes the condition is true the value of j is going to print that is what one

06:25Okay then the value of j is going to increment one plus one that is what two

06:30Okay now value of j is two okay two less than equals to what is the value of i it is

06:41Three so two less than three the condition is true it will come to the yes part what

06:47is the value of j this time it's two so two is going to print okay remember the values

06:53Now the incrementation will take place two plus one what three now the value of j is what three

06:59It will again go to this decision part three equal to three yes as the value of i is three

07:05So three equals to three the condition is true it will come to the yes part

07:09j is going to print so what is the value of j it's three so three is going to print okay

07:15Now three plus one that is what four three plus one that is what four now the new value of j is

07:21what four again it will come to the decision part four less than what is the value of i

07:27It's three four less than three condition will get false it will come to the no part

07:32Come here to the outer loop the value of i is going to increment from three it's going to

07:38add with one three plus one that is what four now the new value of i is what four okay it will come

07:44to the decision part four less than three four less than three the condition get false it will

07:51come to the no part and then stop but as the program says to display one then one two one

07:57two three we got the result okay so please watch this flowchart again and again to understand the

08:05concept I hope you must have understand it in the next video I'm going to make the program

08:13in C okay thanks for watching

Learn Programming Technique C to Master Skills - Loop Within Loop Program Explanation in Flow chart

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