Compilare: main.cpp: In function 'void galben()': main.cpp:44:11: warning: unused variable 't' [-Wunused-variable] int i,t = 0; ^ main.cpp: In function 'void alb()': main.cpp:51:11: warning: unused variable 't' [-Wunused-variable] int i,t = 0; ^ main.cpp: In function 'int main()': main.cpp:177:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < s.size(); i++) ~~^~~~~~~~~~ main.cpp:175:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^