Compilare: main.cpp: In function 'bool verif(int)': main.cpp:16:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<s[poz].size()-lungime;k++){ ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:14:8: warning: unused variable 'j' [-Wunused-variable] int i,j,k,l; ^ main.cpp:14:12: warning: unused variable 'l' [-Wunused-variable] int i,j,k,l; ^ main.cpp: In function 'int main()': main.cpp:65:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s[i].size()<minv){ ~~~~~~~~~~~^~~~~