password.cpp: In function 'std::vector<std::__cxx11::basic_string<char> > mergevector(std::vector<std::__cxx11::basic_string<char> >)':
password.cpp:6:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < v.size(); i+= 2){
~~^~~~~~~~~~
password.cpp:7:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (i == v.size()-1){
~~^~~~~~~~~~~~~
password.cpp:16:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (curpos < s2.length()){
~~~~~~~^~~~~~~~~~~~~
password.cpp:18:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j < newstring.length(); j++){
~~^~~~~~~~~~~~~~~~~~~~
password.cpp:22:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (insertionpos == newstring.length()) temp += s2[curpos];
~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
password.cpp:23:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (query(temp) == temp.length()){
~~~~~~~~~~~~^~~~~~~~~~~~~~~~