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#include <iostream>
#include <cstring>
#include <cstdlib>
using namespace std;
// шаблон функции printArray
template <typename T>
T a,b;
void plus(const T num1,const T num2){
	cout<<num1+num2;
	cout<<endl;
}
template <typename T>
void cintype(const T num1,const T num2){
	cin>>num1;
	cin>>num2;
}
 
int main()
{
	cintype(b,a);
	plus(a,b)	
 
    return 0;
}

prog.cpp:7:4: error: expected ‘;’ before ‘,’ token
 T a,b;
    ^
prog.cpp:8:17: error: ‘T’ does not name a type
 void plus(const T num1,const T num2){
                 ^
prog.cpp:8:30: error: ‘T’ does not name a type
 void plus(const T num1,const T num2){
                              ^
prog.cpp: In function ‘int main()’:
prog.cpp:20:10: error: ‘b’ was not declared in this scope
  cintype(b,a);
          ^
prog.cpp:20:13: error: missing template arguments before ‘)’ token
  cintype(b,a);
             ^
prog.cpp:21:2: error: reference to ‘plus’ is ambiguous
  plus(a,b)
  ^~~~
prog.cpp:8:6: note: candidates are: void plus(int, int)
 void plus(const T num1,const T num2){
      ^~~~
In file included from /usr/include/c++/6/string:48:0,
                 from /usr/include/c++/6/bits/locale_classes.h:40,
                 from /usr/include/c++/6/bits/ios_base.h:41,
                 from /usr/include/c++/6/ios:42,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/6/bits/stl_function.h:147:12: note:                 template<class _Tp> struct std::plus
     struct plus;
            ^~~~
prog.cpp:21:8: error: missing template arguments before ‘,’ token
  plus(a,b)
        ^

Standard output is empty