genetics.cpp: In function 'long long int cmp(std::__cxx11::string, std::__cxx11::string)':
genetics.cpp:12:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i(0); i < a.size();i++){
~~^~~~~~~~~~
genetics.cpp: At global scope:
genetics.cpp:18:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main()
^
genetics.cpp: In function 'int main()':
genetics.cpp:27:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i(0); i < v.size();i++){
~~^~~~~~~~~~
genetics.cpp:29:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j(0); j < v.size();j++){
~~^~~~~~~~~~