How i can see solution of the games

hello all why i cant see the solutions on the games ? they are locked how to unlock them ?

Submit your solution. Passed, then you can see others.

my solution need to be 100% or less ?

To see others solution need to be 100% correct.
Need to be over certain % correct then you can vote.

ok thank you very much for the fast answer

You will see only the solutions that use the language you used yourself.