Compilare: main.cpp: In function 'int main()': main.cpp:42:18: warning: unused variable 'st' [-Wunused-variable] 42 | int t, n, k, st, dr, mij, l, r, i; | ^~ main.cpp:42:22: warning: unused variable 'dr' [-Wunused-variable] 42 | int t, n, k, st, dr, mij, l, r, i; | ^~ main.cpp:42:26: warning: unused variable 'mij' [-Wunused-variable] 42 | int t, n, k, st, dr, mij, l, r, i; | ^~~ main.cpp:42:31: warning: unused variable 'l' [-Wunused-variable] 42 | int t, n, k, st, dr, mij, l, r, i; | ^ main.cpp:42:34: warning: unused variable 'r' [-Wunused-variable] 42 | int t, n, k, st, dr, mij, l, r, i; | ^