Im not able to get the format for custom input or expected output


please help
please give one standard example which can be copy pasted
The ‘test’ test cases are too huge for me to understand anything from that, and I’m not able to get proper format for custom testcases
4 2 6 6 8
doesnt seem to pass


Facing similar problem, dont know why their given format does’nt work! Anyone who knows please help.