Compilare: main.cpp: In function 'int main()': main.cpp:19:21: warning: unused variable 'maxx' [-Wunused-variable] 19 | int t, n, m, i, maxx = 0, minn = 0, st, dr, j; | ^~~~ main.cpp:19:31: warning: unused variable 'minn' [-Wunused-variable] 19 | int t, n, m, i, maxx = 0, minn = 0, st, dr, j; | ^~~~ main.cpp:19:41: warning: unused variable 'st' [-Wunused-variable] 19 | int t, n, m, i, maxx = 0, minn = 0, st, dr, j; | ^~ main.cpp:19:45: warning: unused variable 'dr' [-Wunused-variable] 19 | int t, n, m, i, maxx = 0, minn = 0, st, dr, j; | ^~