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Source Code
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#include <iostream>
#include <vector>
int main()
{
int n = 0;
//ask user how many input he/she wants to give
std::cout << "How many elements do you want to enter: ";
std::cin >> n;
std::vector<int> vec(n); //create a vector of size n
int resultOfSubtraction = 0;
//take input from user
for(int i = 0 ; i < n ; ++i)
{
std::cin >> vec.at(i);
if(i != 0)
{
resultOfSubtraction-= vec.at(i);
}
else
{
resultOfSubtraction = vec.at(i);
}
}
std::cout<<"result is: "<<resultOfSubtraction<<std::endl;
return 0;
}
Compiling Program...
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