Please help me to find mistake in my code

help
1

submission link
i passing the 2nd test case but not one

2

I’ve only just glanced at this problem, but is

1
2
1 2
2000000000

a valid test input and if so, what should the answer be?

1 Like
3

1999999998 i think bro,

1 Like
4

sir it is showing 1999999998 .
submission link here i increase my min 1e11+9 .
actually sir i derive formula for this finding the x