agenda.cpp: In function 'std::string convert_to_small_(std::string)': agenda.cpp:29: warning: comparison between signed and unsigned integer expressions agenda.cpp: In function 'std::string sterge_spatii(std::string)': agenda.cpp:53: warning: comparison between signed and unsigned integer expressions agenda.cpp: In function 'int return_minut_din_ora(std::string)': agenda.cpp:67: warning: comparison between signed and unsigned integer expressions agenda.cpp: In function 'int return_minute_din_sir(std::string)': agenda.cpp:78: warning: comparison between signed and unsigned integer expressions agenda.cpp:85: warning: comparison between signed and unsigned integer expressions agenda.cpp:96: warning: comparison between signed and unsigned integer expressions agenda.cpp:75: warning: unused variable 'nr2' agenda.cpp:75: warning: unused variable 'nr3' agenda.cpp: In function 'int main()': agenda.cpp:157: warning: comparison between signed and unsigned integer expressions agenda.cpp:159: warning: comparison between signed and unsigned integer expressions agenda.cpp:182: warning: comparison between signed and unsigned integer expressions agenda.cpp:106: warning: unused variable 'n' agenda.cpp:106: warning: unused variable 'm' agenda.cpp:106: warning: unused variable 'j' agenda.cpp:106: warning: unused variable 'k' agenda.cpp:106: warning: unused variable 't' agenda.cpp:106: warning: unused variable 'q' agenda.cpp:106: warning: unused variable 'minim' agenda.cpp:106: warning: unused variable 'suma' agenda.cpp:106: warning: unused variable 'st' agenda.cpp:106: warning: unused variable 'dr' agenda.cpp:106: warning: unused variable 'nr_comp'