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Cómo crear un número palíndromo a partir de un entero aleatorio

¿Cómo crear un número palíndromo a partir de un número entero positivo aleatorio usando un número palíndromo centrado?

 When int S=244; return 424 When int S=12231; return 12321 When int S=2233; return 232 //drop 3 to make palindrome number When int S=123432; return 23432 //drop 1 to make palindrome number When int S=0000; return 0 //starting and ending with 0 is not a proper palindrome number in this code. eg 010, 02320 is not a palindrome number

Estaba pensando en hacer una matriz del número entero positivo aleatorio, luego almacenar el número palíndromo en otra matriz y finalmente devolver el número entero palíndromo

 function solution(int S){ //S=1144 -> 141, so I need to drop 4... const num=S; const array=Array.from(String(num), Number); //array=[1,1,4,4] const palinArray=[]; var palinNum=0; //if num is already palindrome number cost rev=array.reverse(); //rev=[4,4,1,1] if(array===rev){ palinNum=Number(array.join('')); return plainNum; } //if num is not palindrome, check if num can transform to a palindrome for(var i=0;i<array.length-1;i++){ for(var k=i;k<array.length;k++){ //I thought if switching array[i] integer to the array[i+1] interger makes entire number palindrome, switch it and move i+2 for next loop but makes no sense. } }//end for loop //console.log(palinNum); }

Entonces, creo que todavía no entendí completamente, pero quiero devolver el número de palíndromo de esta función de solución.

about 4 years ago · Juan Pablo Isaza
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