/in/foo.cc:5:22: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
 #define  MAXN 1<<(10)+1
                  ~~~~^~
/in/foo.cc:9:20: note: in expansion of macro 'MAXN'
 int a[150][15],dep[MAXN],visit[MAXN];
                    ^~~~
/in/foo.cc:5:22: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
 #define  MAXN 1<<(10)+1
                  ~~~~^~
/in/foo.cc:9:32: note: in expansion of macro 'MAXN'
 int a[150][15],dep[MAXN],visit[MAXN];
                                ^~~~