Compilare: main.cpp: In function 'int main()': main.cpp:108:32: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(nb[i].a==-1 && ocupat[nb[i].pz]==0 || nb[i].a!=-1) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:145:32: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(nb[i].a==-1 && ocupat[nb[i].pz]==0 || nb[i].a!=-1) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:58:19: warning: unused variable 'j' [-Wunused-variable] long long t,i,j,n,m,s=0,k,mx=0; ^ main.cpp:125:26: warning: 'pzf' may be used uninitialized in this function [-Wmaybe-uninitialized] for(int cat=1;cat<=pzf;++cat) ~~~^~~~~