Compilare: main.cpp: In function 'void introd_val(int)': main.cpp:16:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[poz].size(); i++){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void sterg_val(int)': main.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[poz].size(); i++){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'unsigned int gasesc_val(int)': main.cpp:39:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[poz].size(); i++){ ~~^~~~~~~~~~~~~~~