/in/foo.cc: In function 'int getpoint(int, int)':
/in/foo.cc:46:8: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
     if (rain[now].l==rain[now].r)
        ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:129:36: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
                                 if (left>right)
                                    ^