One testcase is not being passed

hey!
after submission of my code , the results showed that my code is not able to pass one test case , so i downloaded the test case and then checked the output, my output is correct but still it is showing wrong results
Please check into this, it is highly inconvinient

Hello @sanjana23

Please share the link to you code.
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here is the link : https://ide.codingblocks.com/s/177876

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can u plz explain me what is the output of this test case and explain how it is coming.
my output is 2.

@sanjana23

change INT8_MIN to INT_MIN and INT8_MAX to INT_MAX
Because INT8_MIN is -128 and INT8_MAX is 127 while the value of the nodes can be much greater than 127
Also include the library climits to your code
#include