Main.cc:1:2: error: stray '#' in program
v#include
^
Main.cc:1:1: error: 'v' does not name a type
v#include
^
Main.cc: In function 'int main()':
Main.cc:7:14: error: 'scanf' was not declared in this scope
scanf("%s",s);
^
Main.cc:8:2: error: 'cin' was not declared in this scope
cin>>a;
^
Main.cc:13:2: error: 'cout' was not declared in this scope
cout<