Whats problem to my (Extra-Terrestrial) c++ code?

Question

The output is correct, but the coach code fail in all test cases. Whats is wrong?

https://code.sololearn.com/ce4dt4cfrdrv/?ref=app

Answer 1

You need to avoid the null character.
if(inp[i] != ' '&&inp[i] != '\0' ){
}

Answer 2

for(int i = strlen(inp)-1; i>=0; i--)

put like this and should be fine

Answer 3

Thanks for help me! 👍