Giving me wrong ans on SPOJ

#1

Link to code->https://ide.codingblocks.com/s/613906

#2

@ikshuldureja130
your logic is correct but your code have 2 errors

  1. interger overflow so use long long everywhere or define int long long
  2. print “Case #i” for every test case
    Coding Blocks IDE
    this is the changed code it will work if your issue still exists let me know and if clear rate my experience
#3

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#4

It worked!! Thank you
Can you please explain point 2, i.e. print “Case #i” for every test case