Compilare: main.cpp: In function 'int main()': main.cpp:96:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(s); i++) ~^~~~~~~~~~ main.cpp:31:23: warning: unused variable 'lungime' [-Wunused-variable] int nr1=0, nr2=0, lungime; ^~~~~~~ main.cpp:32:29: warning: unused variable 'nrcurr' [-Wunused-variable] long timp=0, i, l=0, k, nrcurr, cantitate1; ^~~~~~