Compilare: user.cpp: In function ‘int main()’: user.cpp:26:85: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (a[i][j] == 1 && ((a[i-1][j-1] == 1 || a[i][j-1] == 1 || a[i-1][j] == 1) && (b[i-1][j-1] == 0 || b[i][j-1] == 0 || b[i-1][j] == 0) || i == 1 || j == 1) ) b[i][j] = 0; ^ user.cpp:31:20: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if (a[i][j-1] == 0 && a[i-1][j] == 0) ^ user.cpp:28:17: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if (a[i][j] == 0) ^