Compilare: main.cpp: In function 'int main()': main.cpp:12:21: warning: unused variable 'l' [-Wunused-variable] 12 | int n, m, c, x, l, r, mij, pos; | ^ main.cpp:12:24: warning: unused variable 'r' [-Wunused-variable] 12 | int n, m, c, x, l, r, mij, pos; | ^ main.cpp:12:27: warning: unused variable 'mij' [-Wunused-variable] 12 | int n, m, c, x, l, r, mij, pos; | ^~~