Infix, Prefix and Postfix Expressions
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- Опубликовано: 3 сен 2020
- Infix, Prefix and postfix: Infix, Prefix and Postfix notations in data structures are very important topic you should master. Infix to postfix conversion can be done using stack data structure but before doing that we need to understand what are these infix, prefix and postfix expressions
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19:16 p q - r a / -
23:15 * - m n + p q
Shukriya master ji
19:16 pq - ra /- (postfix)
23:10 * - mn + pq (prefix)
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19:16 -> pq - ra / - (Postfix)
22:58 -> * - mn + pq (Prefix)
M ye nhi smjha bhai ye precedence ka chakkar m 2nd answer mein - * aise lgaye hua hun 😐
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Aur ye mene uppar Jo bola who precedence ka chakarr hai 😅
19:22 pq-ra/- is postfix.
23:08 *-mn+pq is prefix.
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The Quick Quiz answers:
19:26 - Convertion to Postfix : pq-rq/-
23:11 - Convertion to Prefix : *-mn+pq
These quiz questions really made this video even more interesting, Thank you very much sir!
18:53 postfix expression:- pq- ra/-
20:59 prefix expression:- *-mn+pq
Thanks harry bhai
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Thank you sir! 😀 All my doubts related to infix, prefix and postfix expressions are solved! I can now expose any expression that is given to me on exam paper!
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23:13 (*-mn+pq) Prefix
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19:17 pq- ra/- (postfix)
23:12 *-mn +pq-(prefix)
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19:20 pq-ra/- (postfix)
23:12 *-mn+pq (prefix)
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Quiz Done :
19:01
Q1-- p-q-r/a ( CONVERT IT INTO POSTFIX )
Ans - pq-ra/- ( POSTFIX CONVERTED )
Q2-- (m-n) * (p+q) ( CONVERT IT INTO PREFIX )
Ans -- * - mn+pq ( CONVERTED INTO PREFIX ) 23:00
Thank You Harry bhai :)
But bro in question no 1 why the minuse in in last and not in mid with pq (pq--)?? Explain me pls
@@alfaizkhatri2918 because left to right precedence (p-q)-(r/a) the expression will look like this and then you can convert it
@@piyush_v007But there was no brackets
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I was very confused regarding infix, postfix, and prefix. And after watching first 5 minutes of this video, Now, I am laughing at myself for being too stupid 😂
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Same here bro😂😂
18:57 Postfix expression :-
( (pq-)-(ra/) ) => pq-ra/-
The final answer will be pq-ra/-
20:53 Prefix expression : *-mn+pq
Postfix expression : mn-pq+*
19:20 pq-ra/-
23:00 *-mn+pq
Thank you as always Harry Bhaiyya.
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Legit explanation maza aa gya sir🔥🔥
QUICK QUIZ:
1. POSTFIX : pq-ra/- 22:55 timestamp
2. PREFIX : *-mn+pq 23:04 timestamp
23:10 * -mn + pq (prefix)
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Notes hindi me hote to aur mza aata
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Make a python programm to convert infix to postfix.
23:05 ANSWER
×[-MN][+PQ]
hello bro, your videos really helpful for us. I just need one more video regarding computer networking it will also be very helpful for us. thanks a lot .
19:22 pq-ra/-
23:00 *-mn+pq
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19:22 ...... Pq-rq/-
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Hope you see this.
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*-mn+pq(prefix)
Pq-ra/-(postfix)
Thanku so much sir
Happy Teacher's Day
Harry Bhai
Thank you very much.
Thank you Harry Bhai apka explanation bahut acha hai
23:11 *-mn+pq is prefix
19:16 Postfix : pq - ra /-
23:10 Prefix: * - mn + pq
Thankyou so much #HarryBhai
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19:16
pq-ra/-( postfix of the quiz question)
23:10 *-mn+pq
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Done understanding infix , prefix , postfix , thank you !
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