Compilare: main.cpp: In function 'double divide(int, int)': main.cpp:22:10: warning: statement has no effect [-Wunused-value] for (st; st < dr; st++){ ^ main.cpp:52:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < V.size(); i++) ~~^~~~~~~~~~ main.cpp:53:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < V.size() && j - i <= 7; j++) ~~^~~~~~~~~~