access last element in vector in c++
vector<int> v;
cout << v[v.size() - 1];
cout << *(v.end() - 1);
cout << *v.rbegin();
// all three of them workaccess last element in vector in c++
vector<int> v;
cout << v[v.size() - 1];
cout << *(v.end() - 1);
cout << *v.rbegin();
// all three of them worklast character of std::string
// string::back
#include <iostream>
#include <string>
int main ()
{
std::string str ("hello world.");
str.back() = '!';
std::cout << str << '\n';
return 0;
}Copyright © 2021 Codeinu
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