Compilare: main.cpp: In function 'int main()': main.cpp:46:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(i = 0; i < aparitii[v[0] - 'a'].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:67:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(ind = last[v[i] - 'a']; ind < aparitii[v[i] - 'a'].size(); ind++){ | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:31:21: warning: unused variable 'ci' [-Wunused-variable] 31 | int i, j, maxi, ci, cj, nrgr, maxgr, st, clast, ind, egale; | ^~ main.cpp:31:25: warning: unused variable 'cj' [-Wunused-variable] 31 | int i, j, maxi, ci, cj, nrgr, maxgr, st, clast, ind, egale; | ^~ main.cpp:31:46: warning: unused variable 'clast' [-Wunused-variable] 31 | int i, j, maxi, ci, cj, nrgr, maxgr, st, clast, ind, egale; | ^~~~~