Compilare: main.cpp: In function 'int main()': main.cpp:53:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < k; ++i) { ~~^~~ main.cpp:63:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < k; ++i) { ~~^~~ main.cpp:81:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < q; ++i) { ~~^~~ main.cpp:50:13: warning: unused variable 'tStart' [-Wunused-variable] clock_t tStart = clock(); ^~~~~~ main.cpp:72:34: warning: variable 'cnt' set but not used [-Wunused-but-set-variable] ull grupa, off, indexLitera, cnt, aparitii; ^~~