Compilare: main.cpp: In function 'int cerinta_1(int, int)': main.cpp:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i=0; i<v[i1].size(); i++) | ~^~~~~~~~~~~~~ main.cpp:11:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int j=0; j<v[i2].size(); j++) | ~^~~~~~~~~~~~~