tolower funciton in cpp
transform(s.begin(), s.end(), s.begin(), ::tolower);
tolower funciton in cpp
transform(s.begin(), s.end(), s.begin(), ::tolower);
lower_bound c++
// lower_bound/upper_bound example
#include <iostream> // std::cout
#include <algorithm> // std::lower_bound, std::upper_bound, std::sort
#include <vector> // std::vector
int main () {
int myints[] = {10,20,30,30,20,10,10,20};
std::vector<int> v(myints,myints+8); // 10 20 30 30 20 10 10 20
std::sort (v.begin(), v.end()); // 10 10 10 20 20 20 30 30
std::vector<int>::iterator low,up;
low=std::lower_bound (v.begin(), v.end(), 20); // ^
up= std::upper_bound (v.begin(), v.end(), 20); // ^
std::cout << "lower_bound at position " << (low- v.begin()) << 'n';
std::cout << "upper_bound at position " << (up - v.begin()) << 'n';
return 0;
}
// Output
// lower_bound at position 3
// upper_bound at position 6
c++ string functions lowercase
transform(su.begin(), su.end(), su.begin(), ::toupper);
transform(sl.begin(), sl.end(), sl.begin(), ::tolower);
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