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Challenges Is it a near-anagram?

JavaScript (Node.js), 150 71 bytes f=(a,b)=>a[b.length]?f(b,a):b.filter(x=>a[y=a.indexOf(x)]=!~y).length-1 Try it online!

posted 4y ago by Hakerh400‭  ·  edited 4y ago by Hakerh400‭

Answer
#8: Post edited by user avatar Hakerh400‭ · 2021-02-17T09:11:41Z (almost 4 years ago)
  • # [JavaScript (Node.js)], <del>150</del> 69 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b)=>a[b.length]?f(b,a):b.filter(x=>a[y=a.indexOf(x)]=!~y).length-1
  • [Try it online!][TIO-kl97oflw]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl97oflw]: https://tio.run/##Tc5Ba8IwFAfwez/F89QEanDXjTiSpoeBWBE9lRxSTVylNpJmo8LYV@@abG67PX7v/Xn/s3pX/cE1Vz/v7FGPho5IZTWmS1XVpNXdyb/KZ4PqTOHHmpim9dqhIaxvVJGmO@qhNGjAks4@b/gnMX8YD7brPXjd@x4oVAlAlTJR8iLNIGW8FEUqs6i7/WYVdbdfvWzuynguogomeH5XzraTAYRh/Q/XQcOwLX6Z5fE0fIt5@ZQkxjr01wys@W6Ip0Bg22rS2hOaGUQICStyUVekgC6hmoS/GaMdMc5ekMISY/iABR6/AA "JavaScript (Node.js) – Try It Online"
  • # [JavaScript (Node.js)], <del>150</del> 71 bytes
  • <!-- language-all: lang-javascript -->
  • f=(a,b)=>a[b.length]?f(b,a):b.filter(x=>a[y=a.indexOf(x)]=!~y).length-1
  • [Try it online!][TIO-kl97oflw]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl97oflw]: https://tio.run/##Tc5Ba8IwFAfwez/F89QEanDXjTiSpoeBWBE9lRxSTVylNpJmo8LYV@@abG67PX7v/Xn/s3pX/cE1Vz/v7FGPo6FIZTWmS1XVpNXdyb/KZ4PqTOHHmpim9dqhIaxvVJGmO@qhNGjAks4@b/gnMX8YD7brPXjd@x4oVAlAlTJR8iLNIGW8FEUqs6i7/WYVdbdfvWzuynguogomeH5XzraTAYRh/Q/XQcOwLX6Z5fE0fIt5@ZQkxjr01wys@W6Ip0Bg22rS2hOaGUQICStyUVekgC6hmoS/GaMdMc5ekMISY/iABR6/AA "JavaScript (Node.js) – Try It Online"
#7: Post edited by user avatar Hakerh400‭ · 2021-02-17T09:09:53Z (almost 4 years ago)
  • # [JavaScript (Node.js)], <del>150</del> 112 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,e=(x,y,[a,...b]=x,[c,...d]=y)=>a?a^c?b==d+''|x==d+''|y==b+'':c?e(b,d):b!='':c&&d=='')=>e(a.sort(),b.sort())
  • [Try it online!][TIO-kl962rhv]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl962rhv]: https://tio.run/##TdBRa8IwEAfwdz/F9cUmLAt7dpwlafswEBXRp9JB0iZjQ4203WjB794lnW57un9@yXFHPtSXaqvm/dI9nl1tRosjUUwzg6RnAysU45zrEntWVCHWJQ4UlypRr1WiEeuHOL72tzogal8XVWKIZjVd6AjDcT6v0QffZ4jirWs6Qpm@BTpW7tx20Jm2awGhmAEUscg2Mo8ZxEJusjwu2aT7w3Y16f6wetneVcg0mzQTmUzvKsXOG0AI63@4DhrCLv9lkU5Pw7Spv3yezaxryN9m4OzPhtQ3BHZHw4/ujUSRJf5fwh0/qQtRgEsovMhPa03DbeNORNGSUrjCEx2/AQ "JavaScript (Node.js) – Try It Online"
  • # [JavaScript (Node.js)], <del>150</del> 69 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b)=>a[b.length]?f(b,a):b.filter(x=>a[y=a.indexOf(x)]=!~y).length-1
  • [Try it online!][TIO-kl97oflw]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl97oflw]: https://tio.run/##Tc5Ba8IwFAfwez/F89QEanDXjTiSpoeBWBE9lRxSTVylNpJmo8LYV@@abG67PX7v/Xn/s3pX/cE1Vz/v7FGPho5IZTWmS1XVpNXdyb/KZ4PqTOHHmpim9dqhIaxvVJGmO@qhNGjAks4@b/gnMX8YD7brPXjd@x4oVAlAlTJR8iLNIGW8FEUqs6i7/WYVdbdfvWzuynguogomeH5XzraTAYRh/Q/XQcOwLX6Z5fE0fIt5@ZQkxjr01wys@W6Ip0Bg22rS2hOaGUQICStyUVekgC6hmoS/GaMdMc5ekMISY/iABR6/AA "JavaScript (Node.js) – Try It Online"
#6: Post edited by user avatar Hakerh400‭ · 2021-02-17T08:25:04Z (almost 4 years ago)
  • # [JavaScript (Node.js)], <del>150</del> 97 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,e=(x,y,[a,...b]=x,[c,...d]=y)=>a?a-c?b==d+''
  • |x==d+''|y==b+'':e(b,d):c)=>e(a.sort(),b.sort())
  • [Try it online!][TIO-kl949ukz]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl949ukz]: https://tio.run/##TdBRa8IwEAfw936K8ykJi2HPjlOStg8DURF9Kn1I0mRsqJG2Gy343bum021P9@eXO3Lch/7Sja3fr@38Eio3eByo5oY7pB3veaG5EMKU2PHCxliV2DNc6pWe25VBrJ4IuXX32iOasS4cNbxiCzs2OqpFE@qWMm7ugQ02XJoWWte0DSAUCUBBZLZVOeFApNpmOSn5pIfjbj3p4bh@3T1UqjSbNJOZSh@q5H40gBg2/3ATNYZ9/ssynVrjb9N8@ZIkPtT0bzMI/mdDNg5EDicnTuGNzmaejoeIb@Ksr1QDLkF9eu9q4etwppoxBjd4ZsM3 "JavaScript (Node.js) – Try It Online"
  • # [JavaScript (Node.js)], <del>150</del> 112 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,e=(x,y,[a,...b]=x,[c,...d]=y)=>a?a^c?b==d+''|x==d+''|y==b+'':c?e(b,d):b!='':c&&d=='')=>e(a.sort(),b.sort())
  • [Try it online!][TIO-kl962rhv]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl962rhv]: https://tio.run/##TdBRa8IwEAfwdz/F9cUmLAt7dpwlafswEBXRp9JB0iZjQ4203WjB794lnW57un9@yXFHPtSXaqvm/dI9nl1tRosjUUwzg6RnAysU45zrEntWVCHWJQ4UlypRr1WiEeuHOL72tzogal8XVWKIZjVd6AjDcT6v0QffZ4jirWs6Qpm@BTpW7tx20Jm2awGhmAEUscg2Mo8ZxEJusjwu2aT7w3Y16f6wetneVcg0mzQTmUzvKsXOG0AI63@4DhrCLv9lkU5Pw7Spv3yezaxryN9m4OzPhtQ3BHZHw4/ujUSRJf5fwh0/qQtRgEsovMhPa03DbeNORNGSUrjCEx2/AQ "JavaScript (Node.js) – Try It Online"
#5: Post edited by user avatar Hakerh400‭ · 2021-02-17T07:44:59Z (almost 4 years ago)
  • # [JavaScript (Node.js)], <del>150</del> 97 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,e=(x,y,[a,...b]=x,[c,...d]=y)=>a?a-c?b==d+''
  • |x==d+''|y==b+'':e(b,d):c)=>e(a.sort(),b.sort())
  • [Try it online!][TIO-kl949ukz]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl949ukz]: https://tio.run/##TdBRa8IwEAfw936Ke0vCYtiz45Sk7YMgKqJPpQ9JmoyJGmm70YLfvWs63fZ0f365I8ed9JdubP1xa2fXULnB40A1N9wh7XjPC82FEKbEjhc2xqrEnuFCL/XMLg1i9ULIvXvUHtGMde6o4RWb27HRUS2aULeUcfMIbLDh2rTQuqZtAKFIAAois63KCQci1TbLScknPRx360kPx/Vq91Sp0mzSTGYqfaqS@9EAYtj8w03UGPb5L8t0ao2/TfPlW5L4UNO/zSD4nw3ZOBA5nJ04h3fq6XiG@CIu@kY14ALUp/euFr4OF6oZY3CHVzZ8Aw "JavaScript (Node.js) – Try It Online"
  • # [JavaScript (Node.js)], <del>150</del> 97 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,e=(x,y,[a,...b]=x,[c,...d]=y)=>a?a-c?b==d+''
  • |x==d+''|y==b+'':e(b,d):c)=>e(a.sort(),b.sort())
  • [Try it online!][TIO-kl949ukz]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl949ukz]: https://tio.run/##TdBRa8IwEAfw936K8ykJi2HPjlOStg8DURF9Kn1I0mRsqJG2Gy343bum021P9@eXO3Lch/7Sja3fr@38Eio3eByo5oY7pB3veaG5EMKU2PHCxliV2DNc6pWe25VBrJ4IuXX32iOasS4cNbxiCzs2OqpFE@qWMm7ugQ02XJoWWte0DSAUCUBBZLZVOeFApNpmOSn5pIfjbj3p4bh@3T1UqjSbNJOZSh@q5H40gBg2/3ATNYZ9/ssynVrjb9N8@ZIkPtT0bzMI/mdDNg5EDicnTuGNzmaejoeIb@Ksr1QDLkF9eu9q4etwppoxBjd4ZsM3 "JavaScript (Node.js) – Try It Online"
#4: Post edited by user avatar Hakerh400‭ · 2021-02-17T07:40:09Z (almost 4 years ago)
  • # [JavaScript (Node.js)], <del>150</del> 113 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,c=a=>a.sort((a,b)=>a-b),e=(x,y,[a,...b]=x,[c,...d]=y
  • )=>a?a-c?b==d+''|x==d+''|y==b+'':e(b,d):c)=>e(c(a),c(b))
  • [Try it online!][TIO-kl949ukz]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl949ukz]: https://tio.run/##Tc/BasMwDADQe75Ct9jMMTt3qMVOchiUtpT2FHKwHbtstHVJspFA/z2zs3XbSfKzhKR39ak6077d@uzqGzs5nIhimhlUuFS8821PItDwyjRlFsnARlYpxjnXNQ6sMjFtahxjzUplZqURm6c0vQ8/cUTUIS4s0ayhCxMKLTFEUWaIpnQy/tr10Nuu7wChSgCqVBRbWaYMUiG3RZnWbNbDcbee9XBcv@4eKmRezFqIQuYPlWIfDCAmm3@4iRqTffnLIp9L47S5v35JEudb8rcZePe9IQ0Nkf3Z8rM/EUfC@fGHX9SNKMAlyA/nbMtd6y/hSErhDs90@gI "JavaScript (Node.js) – Try It Online"
  • # [JavaScript (Node.js)], <del>150</del> 97 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,e=(x,y,[a,...b]=x,[c,...d]=y)=>a?a-c?b==d+''
  • |x==d+''|y==b+'':e(b,d):c)=>e(a.sort(),b.sort())
  • [Try it online!][TIO-kl949ukz]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl949ukz]: https://tio.run/##TdBRa8IwEAfw936Ke0vCYtiz45Sk7YMgKqJPpQ9JmoyJGmm70YLfvWs63fZ0f365I8ed9JdubP1xa2fXULnB40A1N9wh7XjPC82FEKbEjhc2xqrEnuFCL/XMLg1i9ULIvXvUHtGMde6o4RWb27HRUS2aULeUcfMIbLDh2rTQuqZtAKFIAAois63KCQci1TbLScknPRx360kPx/Vq91Sp0mzSTGYqfaqS@9EAYtj8w03UGPb5L8t0ao2/TfPlW5L4UNO/zSD4nw3ZOBA5nJ04h3fq6XiG@CIu@kY14ALUp/euFr4OF6oZY3CHVzZ8Aw "JavaScript (Node.js) – Try It Online"
#3: Post edited by user avatar Hakerh400‭ · 2021-02-17T07:35:53Z (almost 4 years ago)
  • # JavaScript, 150 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,c=([...a])=>a.map(a=>c.set(a,-~c.get(a)),c=new Map)&&c)=>[...c(a+b,b=c
  • (b))].map(([x,y,z=y-(b.get(x)<<1)])=>c|=z-1?z+1?z:e++:d++,c=d=e=0)&&!c&&d|e
  • [Try it online!][TIO-kl0e73a9]
  • [TIO-kl0e73a9]: https://tio.run/##TZDNasMwEITvfortxZaQLJJrGqXIP4dCmoSQnIwPsiyHltQ2sWkTY/rqrqSStgfB8O3M7KI3@SE7dXlt@7BuSj1VfEKSFlRxlDHGZI75SrJ32SLJV4p1ujfj8Euxk1UYG2OtP@FFttj3lTHblEKSFLTgChUY5y6Nsiu90YHfQlS47BUvl3Ns69XIh3D@NBDzFpqQRUmIqS255jNT@qB8vxz1pJq666HXXd8Bh8wDyAKRbKM0oBCIaJukQU4dPRx3a0cPx/Xz7k5FFCeOJiKJ4juNxN4wACs2/@DGUiv26S8WsbPabS6fP3pe1VzQ32XQVD8XYhOwuDlrdm5OqELmW@wEwwgzPH0D "JavaScript (Node.js) – Try It Online"
  • # [JavaScript (Node.js)], <del>150</del> 113 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,c=a=>a.sort((a,b)=>a-b),e=(x,y,[a,...b]=x,[c,...d]=y
  • )=>a?a-c?b==d+''|x==d+''|y==b+'':e(b,d):c)=>e(c(a),c(b))
  • [Try it online!][TIO-kl949ukz]
  • [JavaScript (Node.js)]: https://nodejs.org
  • [TIO-kl949ukz]: https://tio.run/##Tc/BasMwDADQe75Ct9jMMTt3qMVOchiUtpT2FHKwHbtstHVJspFA/z2zs3XbSfKzhKR39ak6077d@uzqGzs5nIhimhlUuFS8821PItDwyjRlFsnARlYpxjnXNQ6sMjFtahxjzUplZqURm6c0vQ8/cUTUIS4s0ayhCxMKLTFEUWaIpnQy/tr10Nuu7wChSgCqVBRbWaYMUiG3RZnWbNbDcbee9XBcv@4eKmRezFqIQuYPlWIfDCAmm3@4iRqTffnLIp9L47S5v35JEudb8rcZePe9IQ0Nkf3Z8rM/EUfC@fGHX9SNKMAlyA/nbMtd6y/hSErhDs90@gI "JavaScript (Node.js) – Try It Online"
#2: Post edited by user avatar Hakerh400‭ · 2021-02-17T06:07:57Z (almost 4 years ago)
  • # JavaScript, 150 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,c=([...a])=>a.map(a=>c.set(a,-~c.get(a)),c=new Map)&&c)=>[...c(a+b,b=c
  • (b))].map(([x,y,z=y-(b.get(x)<<1)])=>c|=z-1?z+1?z:e++:d++,c=d=e=0)&&!c&&d|e
  • [Try it online!][TIO-kl0e73a9]
  • [TIO-kl0e73a9]: https://tio.run/##TZBBi8IwEIXv/RWzlzYhadCra1xa28OCqyJ6Kj2kaSor2hRbdrWU/evdJCK7h4HHN/MejzmJL9HK62fThbUu1VjxEQlaUMlRxhgTOeYLwS6iQYIvJGtVZ9bhj2RHqzA2h7X6hg/RYN@X5ti6JBKkoAWXqMA4d26U3eid9vweosJ5b3g@n2IbLwfeh9O3npiZKUJmJSEmtuSKT0zoi/T9clCj1HXbQafargUOmQeQBVGyidOAQhDFmyQNcuro/rBdObo/rN63TxrFy8TRJEri5ZPG0c4wACvW/@DaUit2qcP5q@dV@or@WoCuHm2w8Visz4qd9RFVyLzAbjAMMMHjLw "JavaScript (Node.js) – Try It Online"
  • # JavaScript, 150 bytes
  • <!-- language-all: lang-javascript -->
  • (a,b,c=([...a])=>a.map(a=>c.set(a,-~c.get(a)),c=new Map)&&c)=>[...c(a+b,b=c
  • (b))].map(([x,y,z=y-(b.get(x)<<1)])=>c|=z-1?z+1?z:e++:d++,c=d=e=0)&&!c&&d|e
  • [Try it online!][TIO-kl0e73a9]
  • [TIO-kl0e73a9]: https://tio.run/##TZDNasMwEITvfortxZaQLJJrGqXIP4dCmoSQnIwPsiyHltQ2sWkTY/rqrqSStgfB8O3M7KI3@SE7dXlt@7BuSj1VfEKSFlRxlDHGZI75SrJ32SLJV4p1ujfj8Euxk1UYG2OtP@FFttj3lTHblEKSFLTgChUY5y6Nsiu90YHfQlS47BUvl3Ns69XIh3D@NBDzFpqQRUmIqS255jNT@qB8vxz1pJq666HXXd8Bh8wDyAKRbKM0oBCIaJukQU4dPRx3a0cPx/Xz7k5FFCeOJiKJ4juNxN4wACs2/@DGUiv26S8WsbPabS6fP3pe1VzQ32XQVD8XYhOwuDlrdm5OqELmW@wEwwgzPH0D "JavaScript (Node.js) – Try It Online"
#1: Initial revision by user avatar Hakerh400‭ · 2021-02-17T05:01:42Z (almost 4 years ago) 
# JavaScript, 150 bytes

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

    (a,b,c=([...a])=>a.map(a=>c.set(a,-~c.get(a)),c=new Map)&&c)=>[...c(a+b,b=c
    (b))].map(([x,y,z=y-(b.get(x)<<1)])=>c|=z-1?z+1?z:e++:d++,c=d=e=0)&&!c&&d|e

[Try it online!][TIO-kl0e73a9]

[TIO-kl0e73a9]: https://tio.run/##TZBBi8IwEIXv/RWzlzYhadCra1xa28OCqyJ6Kj2kaSor2hRbdrWU/evdJCK7h4HHN/MejzmJL9HK62fThbUu1VjxEQlaUMlRxhgTOeYLwS6iQYIvJGtVZ9bhj2RHqzA2h7X6hg/RYN@X5ti6JBKkoAWXqMA4d26U3eid9vweosJ5b3g@n2IbLwfeh9O3npiZKUJmJSEmtuSKT0zoi/T9clCj1HXbQafargUOmQeQBVGyidOAQhDFmyQNcuro/rBdObo/rN63TxrFy8TRJEri5ZPG0c4wACvW/@DaUit2qcP5q@dV@or@WoCuHm2w8Visz4qd9RFVyLzAbjAMMMHjLw "JavaScript (Node.js) – Try It Online"