Infix, Prefix and Postfix Expressions

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  • čas přidán 6. 09. 2024
  • 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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Komentáře • 1,1K

  • @CodeWithHarry
    @CodeWithHarry  Před 4 lety +267

    Kya koi mere English channel ProgrammingWithHarry ko subscirbe karega?: czcams.com/users/ProgrammingWithHarry

  • @vikasbagri1225
    @vikasbagri1225 Před 3 lety +223

    19:16 p q - r a / -
    23:15 * - m n + p q
    Shukriya master ji

    • @RahulSingh-ml9hg
      @RahulSingh-ml9hg Před 25 dny +1

      hlo bhaiya im 2nd year student
      please give some tips in specialization of AI and ML

  • @shakibshaykh14
    @shakibshaykh14 Před 3 lety +500

    19:16 pq - ra /- (postfix)
    23:10 * - mn + pq (prefix)
    Thankyou so mch Harry bhaiya❣️you made DSnAlgo course so easy for each n every CS or IT students respect++💯

  • @rishabh02126
    @rishabh02126 Před 3 lety +157

    19:16 -> pq - ra / - (Postfix)
    22:58 -> * - mn + pq (Prefix)

    • @underes
      @underes Před rokem +1

      M ye nhi smjha bhai ye precedence ka chakkar m 2nd answer mein - * aise lgaye hua hun 😐

    • @aryansurve6196
      @aryansurve6196 Před 11 měsíci

      ​@@underesbro computer + ko pehle apply karat hai aur minus ko badmey apply karta hai
      Aur ye mene uppar Jo bola who precedence ka chakarr hai 😅

    • @RahulSingh-ml9hg
      @RahulSingh-ml9hg Před 25 dny

      hlo bhaiya im 2nd year student
      please give some tips in specialization of AI and ML

    • @gamerd0c787
      @gamerd0c787 Před 13 dny

      @rishabh02126 job laga kya bhaiya apka??

  • @adityashinde1
    @adityashinde1 Před 4 lety +305

    Clg ke online lectures chhodke yaha dekh raha hu bohot badhiya kaam kiya Harry bhai ❤️

  • @deepshah6482
    @deepshah6482 Před 4 lety +124

    19:22 pq-ra/- is postfix.
    23:08 *-mn+pq is prefix.

  • @samareshdhara8635
    @samareshdhara8635 Před 2 lety +27

    Your content is gift of God for those students who belongs in village and studying Bsc computer science where teachers are not so much qualified to teach students

  • @sakshiupadhyay3284
    @sakshiupadhyay3284 Před 4 lety +32

    Stronger base makes higher level ⭐best .Here is a strongest 💯base making video .Thank u harry sir😎

  • @techgourab
    @techgourab Před 2 lety +6

    18:53 postfix expression:- pq- ra/-
    20:59 prefix expression:- *-mn+pq
    Thanks harry bhai

  • @subhradipbarik2032
    @subhradipbarik2032 Před 4 lety +28

    HAPPY TEACHER'S DAY HARRY BHAIYA❤️.YOU ARE THE REAL TEACHER I HAVE EVER SEEN. FREE TUTORIAL IN IT IS LIKE HEAVEN.

  • @ajayjoshi27
    @ajayjoshi27 Před rokem +1

    19:16 pq - ra /- (postfix)
    23:10 * - mn + pq (prefix)

  • @Focusyourself7
    @Focusyourself7 Před rokem +6

    19:17 pq- ra/- (postfix)
    23:12 *-mn +pq-(prefix)
    Thank you so much 👍❤

  • @Sid37612
    @Sid37612 Před 2 lety +2

    19:20 pq-ra/-
    23:00 *-mn+pq
    Thank you as always Harry Bhaiyya.
    🙏🙏🙏

  • @mdmatiurrahman7373
    @mdmatiurrahman7373 Před 4 lety +4

    Someone....plz..Give a Noble Prize to Harry sir....Watching your C tutorial... And I had completed 10 hours of video ....Understood everything clearly...And love from Bangladesh...

  • @devilsingh1239
    @devilsingh1239 Před 7 měsíci +2

    19:16
    pq-ra/-( postfix of the quiz question)
    23:10 *-mn+pq

  • @ranjusinha7123
    @ranjusinha7123 Před 4 lety +30

    Happy teacher's day sir ! Just keep up your wonderful work and please bring more python practice programs as your programs are very impressive and creative! ♥️♥️

    • @RahulSingh-ml9hg
      @RahulSingh-ml9hg Před 25 dny

      hlo bhaiya im 2nd year student
      please give some tips in specialization of AI and ML

  • @bhaveshkumarsahu4569
    @bhaveshkumarsahu4569 Před 3 lety +3

    Thanks bhaiya...
    Aaj aapke wajah se pehli baar mere college professor ne meko recognize kiya

  • @181__nishusinghbhaduria2
    @181__nishusinghbhaduria2 Před 9 měsíci +1

    *-mn+pq(prefix)
    Pq-ra/-(postfix)
    Thanku so much sir

  • @sailendrachettri8521
    @sailendrachettri8521 Před 3 lety +5

    You made my day Harry Bhai.
    Thanks.

  • @shibamroy787
    @shibamroy787 Před rokem +2

    Sir, you really are the best, you made these topics just soooo simple,
    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!

  • @avadhitembhare1533
    @avadhitembhare1533 Před 4 lety +6

    Among all ur the best u provide complete knowledge..

  • @ajithamin9196
    @ajithamin9196 Před 4 lety +2

    Iske lite hi wait kar rahatha bhai. Thank you

  • @simonbaranwal8529
    @simonbaranwal8529 Před 2 lety +3

    19:20 pq-ra/- (postfix)
    23:12 *-mn+pq (prefix)
    EASILY Understood... Thanku..🙂

  • @neerajdabhi4245
    @neerajdabhi4245 Před 4 lety +6

    Happy teacher's day sir, I got a job as a senior web developer because of you. Thank you very much sir and keep it up.

  • @himang09
    @himang09 Před 2 lety +1

    19:16 Postfix : pq - ra /-
    23:10 Prefix: * - mn + pq
    Thankyou so much #HarryBhai

  • @tanu30241
    @tanu30241 Před 4 lety +23

    Happy Teachers Day Sir !! Thank you for giving lots and lots of Knowledge .I'm recently watching Django video just amaze. Python playlist is awesome ,I recently viewed most of videos and even want to complete whole playlist of Python ...Tysm Sir !!

  • @SDA_XII_E_23
    @SDA_XII_E_23 Před rokem +2

    19:20 postfix expression -> [pq-ra/-]
    22:04 postfix expression -> [*-mn+pq]

  • @sachinsoni5044
    @sachinsoni5044 Před 4 lety +7

    Harry bhai my request is to add some exercises and practice project in your c++ playlist. Plzzz harry bhai plzz

  • @onebeing4164
    @onebeing4164 Před 4 lety +118

    video length 27 minutes people in comments after 1 minute of uploading very informative abey saale pehle video dekho aur batao simply commenting to get attention of harry bhai is not important he wants us to learn not attention 😇😉

  • @songstersam7402
    @songstersam7402 Před 13 dny

    Thanks you harry sir. College me sir ne samjhaye the but kuch bhi samajh nhi aaya tha, Thanks to you ab sab samaj aa gaya. Thank you very much

  • @anshpatel8083
    @anshpatel8083 Před 3 lety +6

    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 😂

  • @ishaankapoor933
    @ishaankapoor933 Před 4 lety +1

    Happy Teacher's Day
    Harry Bhai
    Thank you very much.

  • @meaindriladas
    @meaindriladas Před 3 lety +9

    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+*

  • @sachinsoni5044
    @sachinsoni5044 Před 4 lety +3

    Happy Teachers Day Harry bhai you are my coding teacher . And thank you for making high paid courses for free, you are so kind . You can make paid course but you are not doing thank you sooo much . God bless you.

  • @codingcafe8360
    @codingcafe8360 Před 4 lety +8

    Happy Teacher's Day harry Bhai bht Kuch sikhaya hai aapne thanks for your support, I never forgot the way you teach us everything like python, javascript, HTML CSS bootstrap everything the way you teaches us is perfect, keep continue it, we are always here to support you.

  • @rashibhagoria8049
    @rashibhagoria8049 Před 2 lety +4

    Best explanation of this topic🔥🔥🔥🔥💯💯💯 ......that could ever be explained by anyone!! 🙈😌☺Thank you harry bhaiya for these videos 😍👌🏻🔥🔥🔥🔥❤❤❤

  • @manavadwani7072
    @manavadwani7072 Před 2 lety +12

    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 :)

    • @alfaizkhatri2918
      @alfaizkhatri2918 Před rokem

      But bro in question no 1 why the minuse in in last and not in mid with pq (pq--)?? Explain me pls

    • @piyush_v007
      @piyush_v007 Před rokem +1

      ​@@alfaizkhatri2918 because left to right precedence (p-q)-(r/a) the expression will look like this and then you can convert it

    • @annonymoussi9sjs
      @annonymoussi9sjs Před 10 měsíci

      ​@@piyush_v007But there was no brackets

  • @user-sz9vt4fo1j
    @user-sz9vt4fo1j Před 2 měsíci

    The person whose voice inspires(motivate) me to learn more.

  • @mr.dominic9636
    @mr.dominic9636 Před 4 lety +3

    Bhai kitni baar Dil jeetoge 😘😘

  • @prapti2385
    @prapti2385 Před 2 lety +1

    19:22 pq-ra/-
    23:00 *-mn+pq
    Thanks Harry Sir! ❤️❤️

  • @rishiTP07
    @rishiTP07 Před 4 lety +3

    Happy teacher's day harry sir learned lot from you 😄🎉

  • @mayankhacker4490
    @mayankhacker4490 Před 4 lety +3

    Happy Teacher's day Harry sir. You are the great teacher hat's off for you.

    • @7GINDIA
      @7GINDIA Před 10 měsíci

      ​@gopalkumrawat8630 job laga bhaiya ❤❤??

  • @memerboyy777
    @memerboyy777 Před rokem +3

    Watching this lecture for 3:26 and my problem is solved 💪😄👌 HARRY SUPREMACY 🔥

  • @priyanshudivyanshu
    @priyanshudivyanshu Před 4 lety +2

    Happy teachers day sir.
    You are the best teacher.
    Hope you see this.
    🙏🙏🙏🙏🙏

  • @priyanshusingh8868
    @priyanshusingh8868 Před 4 lety +4

    Happy teachers day harry sir, you are our real teacher 🙏🙏

  • @unknown-vz4tz
    @unknown-vz4tz Před 4 lety +2

    Happy Teachers Day... Harry bhai...You are The best code teacher...👌👍

  • @simrannadaf6094
    @simrannadaf6094 Před 2 lety +4

    QUICK QUIZ:
    1. POSTFIX : pq-ra/- 22:55 timestamp
    2. PREFIX : *-mn+pq 23:04 timestamp

  • @priyanshimulgaonkar7185
    @priyanshimulgaonkar7185 Před rokem +3

    23:10 * -mn + pq (prefix)

  • @sakshii_gaming_254
    @sakshii_gaming_254 Před 3 lety +2

    Watching video one day before exam 😆
    Uh teach very well 👍

  • @liveunderflow5511
    @liveunderflow5511 Před 4 lety +3

    23:05 ANSWER
    ×[-MN][+PQ]

  • @liveunderflow5511
    @liveunderflow5511 Před 4 lety +4

    Make a python programm to convert infix to postfix.

  • @mohd.faizqureshi4581
    @mohd.faizqureshi4581 Před 3 lety +3

    19:22 ...... Pq-rq/-

  • @CODINGKABADSHAHOFFECIAL
    @CODINGKABADSHAHOFFECIAL Před 9 měsíci +1

    23:19
    Prefix= *-mm+pq(prefix)
    Postfix= mn-pq+*(postfix)

  • @ashokpandey9832
    @ashokpandey9832 Před 4 lety +1

    Happy Teachers day Harry sir

  • @harshilmakwana7771
    @harshilmakwana7771 Před 3 lety +2

    Thank u Harry bhai❤️😫

  • @harshvaghani4283
    @harshvaghani4283 Před 2 lety +2

    19:16 Postfix expression : pq-rq/-
    23:11 Prefix expression : *-mn+pq

  • @drashtisahu2229
    @drashtisahu2229 Před 3 lety +1

    23:10
    Prefix : *-mn+pq

  • @keyurchanchad4033
    @keyurchanchad4033 Před 4 lety +1

    Harry Bhai shorted Algorithm ke video banaye jese Marge short, selection short etc.

  • @prayagsapar1969
    @prayagsapar1969 Před 4 lety +2

    Happy Teachers day Harry Sir 🙏🙏... Thanks sir for free education

  • @anchalpandey2787
    @anchalpandey2787 Před 4 lety +2

    thank you for explaining it in such an easiest way

  • @aamirshazad4790
    @aamirshazad4790 Před 6 měsíci

    I am from Pakistan you are really master and style of teaching so best and nice Aamir Shahzad l make anovice and bill maker program

  • @utkarsh_singh00930
    @utkarsh_singh00930 Před rokem +1

    At 23:13, the prefix value is ::)
    *-mn+pq

  • @bhaveshmoon1979
    @bhaveshmoon1979 Před 3 lety +1

    19:00 pq-ra/- postfix
    23:00 *-mn+pq prefix

  • @saadbinamir6558
    @saadbinamir6558 Před 2 lety

    This guy is doing sadqa e jariya here ❤️. Respect from Pakistan man 👍🏻

  • @sunnymallick8452
    @sunnymallick8452 Před 3 lety +2

    22:59 Postfix : pq-ra/-
    19:16 Prefix : *-mq+pq

  • @prathu7644
    @prathu7644 Před 2 lety +1

    19:16---> pq - ra /-(postfix)
    23: 10---> * - mn +pq (prefix)

  • @muhammadsubhan6051
    @muhammadsubhan6051 Před 9 měsíci +1

    19:03 quick quiz answer is "pq-ra/-" postfix.
    22:57 quick quiz answer is"*-mn+pq"prefix.

  • @abhikkumar3267
    @abhikkumar3267 Před 2 lety

    Abhik Kumar BCA@BIT Mesra
    19:16 postfix exp:- pq - ra / -
    23:10 prefix exp:- mn - pq + *
    Thankyou Harry Bhaiya :)

  • @ChSajjan
    @ChSajjan Před 4 lety +1

    Happy Teachers day sir🤔 bhaiya 😎

  • @044_ritwikranjanpathak8
    @044_ritwikranjanpathak8 Před 2 lety +1

    Postfix
    19:15 pq-ra/-
    22:45 *-mn+pq

  • @AloneAnku
    @AloneAnku Před 2 lety +2

    Thankyou So much Harry Bhiya ..... Your method of teaching Is really awesome it's like a story we are listening in this video .. 🖤❣️

  • @NishantSharmaddn
    @NishantSharmaddn Před 3 lety +1

    19:22 pq-ra/-
    23:23 *-mn+pq

  • @ek__villain
    @ek__villain Před 9 měsíci

    Harry Bhai is op ❤
    3 saal se padh ke vul jaane wala concept,, 30 minutes pe samjha Diya ❤

  • @Newone-io6og
    @Newone-io6og Před 2 měsíci

    for(int i=1; ; i++) {
    resepct++;
    }
    thank you harry master

  • @sb_infi
    @sb_infi Před 2 lety +1

    19:05
    Quick Quiz:
    pq-ra/-
    21:00
    Prefix:
    *-mn+pq

  • @maheshmestri
    @maheshmestri Před 2 lety +1

    19:37 pq-ra/- (to postfix) ,23:10 * -mn+pq(to prefix)

  • @shashankbhosagi
    @shashankbhosagi Před 2 lety

    18:48
    Home-Work
    Q.) p - q - r / a
    Postfix->pq-ra/-
    😎😎
    Thank You Bhiaya

  • @designhub7795
    @designhub7795 Před 2 lety

    I m from pakistan your way to teach is excellent keep it up.

  • @SaifullahKhan72437
    @SaifullahKhan72437 Před 2 lety

    18:58
    infix:- p - q - r / a
    converting to post fix:-
    (p - q) - (r / a)
    ([pq] - - [ra]/)
    pq- ra/-

  • @mohammadarquam3419
    @mohammadarquam3419 Před rokem

    23:13 (*-mn+pq) Prefix
    Thank you sir : you make so Easy to understand DSA&Algo @Desibhasa Great Work!

  • @Kartik_Doda
    @Kartik_Doda Před 3 měsíci

    You are gift for the world.

  • @ayushmourya812
    @ayushmourya812 Před 4 lety +2

    19:48 Postfix of p - q - r /a,
    Sol:- p q - r a / -
    23:16 Prefix of (m - n) * (p + q),
    Sol:- * - m n + p q

  • @akhandpratapsingh3952
    @akhandpratapsingh3952 Před 3 lety +1

    23:15/26:24.
    Prefix exp: *-mn+pq

  • @prakharsaxena_9
    @prakharsaxena_9 Před 2 lety +2

    Nice explanation sir🔥🔥🔥
    Legit explanation maza aa gya sir🔥🔥

  • @chaitanyawagh7787
    @chaitanyawagh7787 Před 6 měsíci

    Thank you Harry Bhai ❤, Very easiest explaination.

  • @AnujYadav-hd7su
    @AnujYadav-hd7su Před 4 lety +2

    Happy teacher day thank u so lot sir❤❤

  • @shubhamshahi3728
    @shubhamshahi3728 Před 2 lety

    Wahh sir, mza aa gya ...❤️🙏
    Notes hindi me hote to aur mza aata

  • @raushankumargupta7018
    @raushankumargupta7018 Před 3 lety +1

    At 23:05 ~ postfix exp-> *- mn+pq

  • @karunagarg607
    @karunagarg607 Před 4 lety +1

    Happy teacher's day sir..U r best teacher for me

  • @itxmeertanveer794
    @itxmeertanveer794 Před rokem

    Wonderful sr g 💞💞💞💞💞💞💞💞 most useful . Iam already bca students .

  • @plus_shots_8037
    @plus_shots_8037 Před rokem +1

    23:04 *-mn+pq (Prefix) 22:44

  • @tejaspatil3978
    @tejaspatil3978 Před 4 lety +1

    Hello sir, Today is 5 September Teachers day.
    Sir you can give me all programming language knowledge. Like c, c++, pyhon pandas and so on. You are great sir. Your teaching is very easiable. U can teach in very simple explanation.
    And thanks sir. Becauz i know programmes becauzs you
    Happy Teachers Day sir, i hope you will upload more information

  • @aishwarya1895
    @aishwarya1895 Před 3 lety +2

    Thnk u so much harry vae for this.... Literally awesome concept explanation ✌

  • @mukulupadhyay4656
    @mukulupadhyay4656 Před 3 lety +1

    Harry bhai Hashing pe video banao na 🙏🙏🙏...btw very good video keep up the good work 👍👍👍

  • @reyanceyogeee3819
    @reyanceyogeee3819 Před 2 lety +1

    Thanks God for giving us this era of Harry

  • @indianjharokha1583
    @indianjharokha1583 Před 3 lety +2

    22:33
    "*-mn+pq"=prefix equivalent of expression

  • @nbunny1395
    @nbunny1395 Před 4 lety

    apke jitna hardworking aur passionate insaan maine ajtak ni dekha

  • @siddiqajamadar2283
    @siddiqajamadar2283 Před 4 lety +1

    Harry bhaei please flutter or dart pay vedio bna do Hindi k sare vedios CZcams k samj nhi ate buss Aap k vedios jyada smaj ate heai

  • @asparshraj9016
    @asparshraj9016 Před 4 lety +2

    Happy teacher's day sir, you have given me a lot of knowledge of programming.

  • @krishanibhavsar4879
    @krishanibhavsar4879 Před 4 lety +2

    Happy teachers'day sir...
    You help us a lot...
    😊😊