Compilare: main.cpp: In function 'int querry(int, int)': main.cpp:104:15: warning: statement has no effect [-Wunused-value] for (i; i <= right; i++) ^ main.cpp: In function 'void update(int, int)': main.cpp:128:15: warning: statement has no effect [-Wunused-value] for (i; i <= min(right, b[nrb].r); i++) ^ main.cpp:149:15: warning: statement has no effect [-Wunused-value] for (i; i <= right; i++) ^