Compilare: main.cpp: In function 'int main()': main.cpp:81:21: warning: operation on 'top' may be undefined [-Wsequence-point] 81 | stk[++top]=stk[top]; | ^~~~~ main.cpp:81:21: warning: operation on 'top' may be undefined [-Wsequence-point] main.cpp:102:13: warning: operation on 'top' may be undefined [-Wsequence-point] 102 | stk[++top]=stk[top]; | ^~~~~ main.cpp:102:13: warning: operation on 'top' may be undefined [-Wsequence-point] main.cpp:111:9: warning: variable 'maxim' set but not used [-Wunused-but-set-variable] 111 | int maxim; | ^~~~~