Http://ide.codingblocks.com/#/s/12853

When I run this program in hacker block contest, why am i not able to pass all the test case number? This program runs fine in codeblocks and ide coding blocks. Output is correct.
Please help me!
Clipboard01|690x387

Which questions is this. Please share the question link as well.

Sum of odd placed and even placed digits of contest

this is the link for question
https://hack.codingblocks.com/contests/c/474/160

this is the link for answer
http://ide.codingblocks.com/#/s/12853