why this code is giving wrong answer, while working perfectly in my compiler???
Please help…link to my solution-
https://www.codechef.com/viewsolution/15217171
everything is fine …you have declared A as int but used %lld to take it . 
accepted solution : https://www.codechef.com/viewsolution/15217975
if it helps then please accept the answer!
int A;
scanf("%lld",&A);
This is your error. Use declare A as long long int if you are using “%lld” in scanf
lol 17sec XD
yup!! haha