CHALLENGE

Question

CHALLENGE ==> make a program that takes as input a natural number N that isnt divisible by 2 or 5 and output the number of algarisms of the lowest number composed only by algarisms 1 that N divides. For instance if our input is 3 we should output 3 because 111%3==0; if our input is 7 we should output 6 because 111111%7==0

Answer 1

Ali Rashidi's and arjun's codes are too unefficcient , it gives TLE when I put a high number like 9967, that needs 9966 ones

Answer 2

My try in c++ :

https://code.sololearn.com/cV0cSK8hlGh9/?ref=app

Answer 3

https://code.sololearn.com/ccvPOq7y9qDP/?ref=app

Answer 4

Here you go. Checks for valid input.
https://code.sololearn.com/c7ixO8Dmk2C5/?ref=app

Answer 5

my practice on python https://code.sololearn.com/ci5wwFK0T3AX/#py

plus i'll the number when check TLE

runs with 5433, 5430 ones