Compilare: user.cpp: In function ‘int solutie()’: user.cpp:12:14: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] x[++pozx]=NULL; ^ user.cpp:13:14: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] y[++pozy]=NULL; ^ user.cpp: In function ‘void bkt(int)’: user.cpp:35:26: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(pozx<pozy && y[pozx+1]==s[k] || pozx>=pozy) ^ user.cpp:47:26: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(pozy<pozx && x[pozy+1]==s[k] || pozy>=pozx) ^ user.cpp: In function ‘int main()’: user.cpp:74:5: warning: ‘nra’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(nra%2) g<<0; ^