Compilare: main.cpp: In function 'int main()': main.cpp:50:25: warning: unused variable 'l' [-Wunused-variable] 50 | int m, t, a, b, l, r, mij, temp; | ^ main.cpp:50:28: warning: unused variable 'r' [-Wunused-variable] 50 | int m, t, a, b, l, r, mij, temp; | ^ main.cpp:50:31: warning: unused variable 'mij' [-Wunused-variable] 50 | int m, t, a, b, l, r, mij, temp; | ^~~ main.cpp:50:36: warning: unused variable 'temp' [-Wunused-variable] 50 | int m, t, a, b, l, r, mij, temp; | ^~~~