Changing a capital letter (read from cin) to lower case?

Question

i wanna change the capital cin to lower case for the input , for example if cin>> one one=R it should be r so it convert it automatically

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Answer 1

the transform is the right way to do it, i think, you just need to include the algorithm library

#include 
#include 
#include 

std::transform(one.begin(), one.end(), one.begin(), ::tolower); 
std::transform(two.begin(), two.end(), two.begin(), ::tolower);