Compilare: user.cpp: In function ‘int main()’: user.cpp:94:38: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(now > ap || now == ap && v[j] < best) ^ user.cpp:112:36: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(now > a || now == a && v[j] < bes) ^ user.cpp:74:9: warning: unused variable ‘lim’ [-Wunused-variable] int lim; ^ user.cpp:88:9: warning: ‘beg’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(; beg <= q[i].y ; ++beg) ^