Compilare: main.cpp: In function 'int main()': main.cpp:30:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(f[i] >= mid && dq.size() < mx) { ~~~~~~~~~~^~~~ main.cpp:32:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dq.size() >= mn) sol = max(sol, 1.0 * (c[i] - c[dq.front() - 1]) / (t[i] - t[dq.front() - 1])); ~~~~~~~~~~^~~~~ main.cpp:33:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dq.size() == mx) ~~~~~~~~~~^~~~~ main.cpp:37:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(dq.size() > mn) { ~~~~~~~~~~^~~~