Question
Who is the Doctor?
Study the following information carefully and answer the below questions Seven professionals P, Q, R, S, T, U and V are practicing their professions in different cities Dehradun, Rampur, Delhi, Noida, Kanpur, Jaipur and Lucknow not necessarily in the same order. Each has a different profession Doctor, Engineer, Pharmacist, Lawyer, Teacher, Manager and Artist not necessarily in the same order. P is a Pharmacist and practices in Lucknow. S practices in Rampur but is not a Doctor or an Artist. The one who practices in Delhi is a Manager. V is a Teacher and does not practice in Noida or Dehradun. T is a Lawyer and practices in Kanpur. U practices in Dehradun but is not an artist. R practices in Noida.Solution
P is a Pharmacist and practices in Lucknow. S practices in Rampur but is not a Doctor or an Artist. 
V is a Teacher and does not practice in Noida or Dehradun. T is a Lawyer and practices in Kanpur. 
U practices in Dehradun but is not an artist. R practices in Noida. The one who practices in Delhi is a Manager. Q is practicing in Delhi. V is a Teacher, V practices in Jaipur 
Professions left to be allotted Doctor, Engineer and Artist. S isn’t doctor & artist, S is an Engineer. U is a Doctor because he can’t be an artist, R is an artist. 
What will be the output of the code
int main(){
int x= 10;
int y=10;
int s=-(-x-y)
cout<
return 0;
}
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