Compilare: main.cpp: In function 'void exp(double (*)[25], double (*)[25])': main.cpp:50:33: warning: unused variable 'l2' [-Wunused-variable] 50 | int l1=a[0][0], c1=a[0][1], l2=b[0][0], c2=b[0][1]; | ^~ main.cpp: In function 'int main()': main.cpp:69:24: warning: unused variable 'p4' [-Wunused-variable] 69 | double p1, p2, p3, p4; | ^~