Compilare: user.cpp:4:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxn 1<<10+1 ^ user.cpp:12:7: note: in expansion of macro ‘maxn’ int a[maxn][maxn],direction[maxn][maxn],length[maxn][maxn]; ^ user.cpp:4:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxn 1<<10+1 ^ user.cpp:12:13: note: in expansion of macro ‘maxn’ int a[maxn][maxn],direction[maxn][maxn],length[maxn][maxn]; ^ user.cpp:4:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxn 1<<10+1 ^ user.cpp:12:29: note: in expansion of macro ‘maxn’ int a[maxn][maxn],direction[maxn][maxn],length[maxn][maxn]; ^ user.cpp:4:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxn 1<<10+1 ^ user.cpp:12:35: note: in expansion of macro ‘maxn’ int a[maxn][maxn],direction[maxn][maxn],length[maxn][maxn]; ^ user.cpp:4:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxn 1<<10+1 ^ user.cpp:12:48: note: in expansion of macro ‘maxn’ int a[maxn][maxn],direction[maxn][maxn],length[maxn][maxn]; ^ user.cpp:4:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxn 1<<10+1 ^ user.cpp:12:54: note: in expansion of macro ‘maxn’ int a[maxn][maxn],direction[maxn][maxn],length[maxn][maxn]; ^ user.cpp:4:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxn 1<<10+1 ^ user.cpp:13:8: note: in expansion of macro ‘maxn’ bool v[maxn][maxn]; ^ user.cpp:4:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxn 1<<10+1 ^ user.cpp:13:14: note: in expansion of macro ‘maxn’ bool v[maxn][maxn]; ^