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Challenges Getting perfect squares, differently

C (clang), 47 45 43 bytes i,j;main(){for(;printf("%i ",i-=~j);j+=2);} Try it online! Golfed 2 bytes from inspiration of @Shaggy's answer. Golfed 2 bytes by @m90.

posted 3y ago by General Sebast1an‭  ·  edited 3y ago by General Sebast1an‭

Answer
#4: Post edited by user avatar General Sebast1an‭ · 2021-08-12T15:13:35Z (over 3 years ago)
  • # [C (clang)], <s>47</s> 45 bytes
  • <!-- language-all: lang-c -->
  • i,j;main(){for(j=1;printf("%i ",i+=j);j+=2);}
  • [Try it online!][TIO-ks8xvti7]
  • Golfed 2 bytes from inspiration of [**@Shaggy**](https://codegolf.codidact.com/users/53588)['s answer](https://codegolf.codidact.com/posts/283341/283345#answer-283345).
  • [C (clang)]: http://clang.llvm.org/
  • [TIO-ks8xvti7]: https://tio.run/##S9ZNzknMS/@vnJmXnFOakqpgU1ySkpmvl2H3P1Mnyzo3MTNPQ7M6Lb9II8vW0LqgKDOvJE1DSTVTQUknU9s2S9M6S9vWSNO69v9/AA "C (clang) – Try It Online"
  • # [C (clang)], <s>47</s> <s>45</s> 43 bytes
  • <!-- language-all: lang-c -->
  • i,j;main(){for(;printf("%i ",i-=~j);j+=2);}
  • [Try it online!][TIO-ks927ic2]
  • Golfed 2 bytes from inspiration of [**@Shaggy**](https://codegolf.codidact.com/users/53588)['s answer](https://codegolf.codidact.com/posts/283341/283345#answer-283345). Golfed 2 bytes by [**@m90**](https://codegolf.codidact.com/users/54227).
  • [C (clang)]: http://clang.llvm.org/
  • [TIO-ks927ic2]: https://tio.run/##S9ZNzknMS/@vnJmXnFOakqpgU1ySkpmvl2H3P1Mnyzo3MTNPQ7M6Lb9Iw7qgKDOvJE1DSTVTQUknU9e2LkvTOkvb1kjTuvb/fwA "C (clang) – Try It Online"
#3: Post edited by user avatar General Sebast1an‭ · 2021-08-12T13:11:46Z (over 3 years ago)
  • # [C (clang)], 47 bytes
  • <!-- language-all: lang-c -->
  • i,j;main(){for(j=1;printf("%i ",i);i+=j,j+=2);}
  • [Try it online!][TIO-ks8szfkr]
  • Applies the equation from [Somewhere Else](https://math.stackexchange.com/a/3946753/939194).
  • [C (clang)]: http://clang.llvm.org/
  • [TIO-ks8szfkr]: https://tio.run/##S9ZNzknMS/@vnJmXnFOakqpgU1ySkpmvl2H3P1Mnyzo3MTNPQ7M6Lb9II8vW0LqgKDOvJE1DSTVTQUknU9M6U9s2SydL29ZI07r2/38A "C (clang) – Try It Online"
  • # [C (clang)], <s>47</s> 45 bytes
  • <!-- language-all: lang-c -->
  • i,j;main(){for(j=1;printf("%i ",i+=j);j+=2);}
  • [Try it online!][TIO-ks8xvti7]
  • Golfed 2 bytes from inspiration of [**@Shaggy**](https://codegolf.codidact.com/users/53588)['s answer](https://codegolf.codidact.com/posts/283341/283345#answer-283345).
  • [C (clang)]: http://clang.llvm.org/
  • [TIO-ks8xvti7]: https://tio.run/##S9ZNzknMS/@vnJmXnFOakqpgU1ySkpmvl2H3P1Mnyzo3MTNPQ7M6Lb9II8vW0LqgKDOvJE1DSTVTQUknU9s2S9M6S9vWSNO69v9/AA "C (clang) – Try It Online"
#2: Post edited by user avatar General Sebast1an‭ · 2021-08-12T13:04:20Z (over 3 years ago)
  • # [C (clang)], 47 bytes
  • <!-- language-all: lang-c -->
  • i,j;main(){for(j=1;printf("%i ",i);i+=j,j+=2);}
  • [Try it online!][TIO-ks8szfkr]
  • [C (clang)]: http://clang.llvm.org/
  • [TIO-ks8szfkr]: https://tio.run/##S9ZNzknMS/@vnJmXnFOakqpgU1ySkpmvl2H3P1Mnyzo3MTNPQ7M6Lb9II8vW0LqgKDOvJE1DSTVTQUknU9M6U9s2SydL29ZI07r2/38A "C (clang) – Try It Online"
  • # [C (clang)], 47 bytes
  • <!-- language-all: lang-c -->
  • i,j;main(){for(j=1;printf("%i ",i);i+=j,j+=2);}
  • [Try it online!][TIO-ks8szfkr]
  • Applies the equation from [Somewhere Else](https://math.stackexchange.com/a/3946753/939194).
  • [C (clang)]: http://clang.llvm.org/
  • [TIO-ks8szfkr]: https://tio.run/##S9ZNzknMS/@vnJmXnFOakqpgU1ySkpmvl2H3P1Mnyzo3MTNPQ7M6Lb9II8vW0LqgKDOvJE1DSTVTQUknU9M6U9s2SydL29ZI07r2/38A "C (clang) – Try It Online"
#1: Initial revision by user avatar General Sebast1an‭ · 2021-08-12T10:54:14Z (over 3 years ago) 
# [C (clang)], 47 bytes

<!-- language-all: lang-c -->

    i,j;main(){for(j=1;printf("%i ",i);i+=j,j+=2);}

[Try it online!][TIO-ks8szfkr]

[C (clang)]: http://clang.llvm.org/
[TIO-ks8szfkr]: https://tio.run/##S9ZNzknMS/@vnJmXnFOakqpgU1ySkpmvl2H3P1Mnyzo3MTNPQ7M6Lb9II8vW0LqgKDOvJE1DSTVTQUknU9M6U9s2SydL29ZI07r2/38A "C (clang) – Try It Online"