Compilare: main.cpp: In function 'int caz2()': main.cpp:39:15: warning: unused variable 's' [-Wunused-variable] int i=1,n,s,smx=0; ^ main.cpp:39:17: warning: unused variable 'smx' [-Wunused-variable] int i=1,n,s,smx=0; ^~~ main.cpp: In function 'void rez()': main.cpp:56:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<s.length(); i++ ) ~^~~~~~~~~~~ main.cpp: In function 'void citire()': main.cpp:107:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s.length();i++ ){ ~^~~~~~~~~~~