Compilare: user.cpp: In function ‘int fill(int, int, int, int&)’: user.cpp:25:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:80:52: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(cate>max || cate==max && (imax>i || imax==i && imax+jmax>i+j)) ^ user.cpp:80:30: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(cate>max || cate==max && (imax>i || imax==i && imax+jmax>i+j)) ^