OnlineGDB

online compiler and debugger for c/c++

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Language

main.cpp

#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; }

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