Compilare: main.cpp: In function 'int main()': main.cpp:80:9: warning: unused variable 'n' [-Wunused-variable] 80 | int n,i,j,k; | ^ main.cpp:80:11: warning: unused variable 'i' [-Wunused-variable] 80 | int n,i,j,k; | ^ main.cpp:80:13: warning: unused variable 'j' [-Wunused-variable] 80 | int n,i,j,k; | ^ main.cpp:80:15: warning: unused variable 'k' [-Wunused-variable] 80 | int n,i,j,k; | ^ main.cpp: In function 'long long int expresie()': main.cpp:35:1: warning: control reaches end of non-void function [-Wreturn-type] 35 | } | ^