Compilare: main.cpp: In function 'int detParRotunda()': main.cpp:65:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < R.size(); i++) { ~~^~~~~~~~~~ main.cpp:64:38: warning: variable 'idx' set but not used [-Wunused-but-set-variable] int best = - (1 << 25), sum = 0, idx, beg, en; ^~~ main.cpp:64:48: warning: variable 'en' set but not used [-Wunused-but-set-variable] int best = - (1 << 25), sum = 0, idx, beg, en; ^~