#include <iostream>
void kwork()
{
std::cout << doSum(3,4,5) << std::endl;
}
int doSum(int a,int s, int d)
{
return a+s+d;
}
int main()
{
kwork();
return 0;
}
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prog.cpp: In function ‘void kwork()’:
prog.cpp:4:26: error: ‘doSum’ was not declared in this scope
std::cout << doSum(3,4,5) << std::endl;
^