Compilare: main.cpp:3:36: warning: built-in function 'exp' declared as non-function [-Wbuiltin-declaration-mismatch] 3 | int T, i, j, x, y, z, a, b, c, n, exp, k, ii, jj, kk; | ^~~ main.cpp: In function 'int main()': main.cpp:61:13: warning: unused variable 'mat' [-Wunused-variable] 61 | int mat[4][2] {{-1, -1}, | ^~~