Compilare: main.cpp: In function 'int main()': main.cpp:28:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < s.size(); j++) ~~^~~~~~~~~~ main.cpp:30:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int w = j + 1; w < s.size(); w++) ~~^~~~~~~~~~ main.cpp:15:27: warning: variable 'nr' set but not used [-Wunused-but-set-variable] int n, T, c, rez = 0, nr = 0, cnt = 1; ^~