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What is the easiest way to initialize a std::vector with hardcoded elements in C++?
In modern C++ [11,14,…] a vector is initialized in the following way
std::vector<int> vec = {1,2,3};
Algorithm
Begin Initialize the vector v. Using accumulate, sum up all the elements of the vector v is done. Print the result. End.
Here is a simple example of sum up the elements of a vector:
Example
#include<iostream> #include<vector> #include<numeric> using namespace std; int main() { vector<int> v = {2,7,6,10}; cout<<"Sum of all the elements are:"<<endl; cout<<accumulate(v.begin(),v.end(),0); }
Output
Sum of all the elements are: 25
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