Compilare: main.cpp: In function 'int main()': main.cpp:153:13: warning: unused variable 'a' [-Wunused-variable] 153 | int a = Q[i].i; | ^ main.cpp:154:13: warning: unused variable 'b' [-Wunused-variable] 154 | int b = Q[i].j; | ^ main.cpp:150:8: warning: unused variable 'st' [-Wunused-variable] 150 | int st = 1, dr = 0; | ^~ main.cpp:150:16: warning: unused variable 'dr' [-Wunused-variable] 150 | int st = 1, dr = 0; | ^~