Compilare: user.cpp: In function ‘int solve(int)’: user.cpp:12:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:26:27: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] } else if(p==2&&q%2==0||q==2&&p%2==0||p==q||p==3&&q%3==0||q==3&&p%3==0){ ^ user.cpp:26:61: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] } else if(p==2&&q%2==0||q==2&&p%2==0||p==q||p==3&&q%3==0||q==3&&p%3==0){ ^ user.cpp:26:75: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] } else if(p==2&&q%2==0||q==2&&p%2==0||p==q||p==3&&q%3==0||q==3&&p%3==0){ ^ user.cpp:30:30: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(p%d==0&&q%d==0||p%q==0||q%p==0) ^