Compilare: main.cpp: In function 'int main()': main.cpp:28:19: warning: operation on 'k' may be undefined [-Wsequence-point] v[--k]=operatie(v[k+1],v[k],op[q]); ^~~ main.cpp:28:19: warning: operation on 'k' may be undefined [-Wsequence-point] main.cpp:36:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses] while(q>0 && op[q]=='M' || op[q]=='m'){ ~~~~^~~~~~~~~~~~~ main.cpp:37:23: warning: operation on 'k' may be undefined [-Wsequence-point] v[--k]=operatie(v[k+1],v[k],op[q]); ^~~ main.cpp:37:23: warning: operation on 'k' may be undefined [-Wsequence-point] main.cpp:42:23: warning: operation on 'k' may be undefined [-Wsequence-point] v[--k]=operatie(v[k+1],v[k],op[q]); ^~~ main.cpp:42:23: warning: operation on 'k' may be undefined [-Wsequence-point]