Compilare: main.cpp: In function 'int main()': main.cpp:12:26: warning: unused variable 'x' [-Wunused-variable] 12 | int i, j, n, m, k, val, x, y, min1, sol, cnt1, max1; | ^ main.cpp:12:29: warning: unused variable 'y' [-Wunused-variable] 12 | int i, j, n, m, k, val, x, y, min1, sol, cnt1, max1; | ^ main.cpp:12:32: warning: unused variable 'min1' [-Wunused-variable] 12 | int i, j, n, m, k, val, x, y, min1, sol, cnt1, max1; | ^~~~ main.cpp:40:33: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] 40 | cout << max1 << "\n" << sol << "\n"; | ^~~~