sum vector c++
vector<int> v{1,2,3,4,5,6,7,8,9};
int sum = 0;
//Method 1:
sum = accumulate(v.begin(), v.end(), 0);
//Method 2:
for(auto& i : v) sum+=i;sum vector c++
vector<int> v{1,2,3,4,5,6,7,8,9};
int sum = 0;
//Method 1:
sum = accumulate(v.begin(), v.end(), 0);
//Method 2:
for(auto& i : v) sum+=i;concat two vectors c++
std::vector<int> first;
std::vector<int> second;
first.insert(first.end(), second.begin(), second.end());how to append two vectors in c++
std::vector<int> AB = A;
AB.insert(AB.end(), B.begin(), B.end());Copyright © 2021 Codeinu
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