Compilare: user.cpp:3:14: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define NN 1 << 4 ^ user.cpp:10:13: note: in expansion of macro ‘NN’ int n, m, s[NN + 1], a[NN + 1][NN + 1]; ^ user.cpp:3:14: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define NN 1 << 4 ^ user.cpp:10:24: note: in expansion of macro ‘NN’ int n, m, s[NN + 1], a[NN + 1][NN + 1]; ^ user.cpp:3:14: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define NN 1 << 4 ^ user.cpp:10:32: note: in expansion of macro ‘NN’ int n, m, s[NN + 1], a[NN + 1][NN + 1]; ^