/in/foo.cc: In function 'int main()':
/in/foo.cc:7:4: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
a >= -10^10 && a<=10^10;
~~^~~~~~
/in/foo.cc:7:18: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
a >= -10^10 && a<=10^10;
~^~~~
/in/foo.cc:7:14: warning: statement has no effect [-Wunused-value]
a >= -10^10 && a<=10^10;
~~~~~~~~~~~~^~~~~~~~~~~
/in/foo.cc:8:4: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
b >= -10^10 && b<=10^10;
~~^~~~~~
/in/foo.cc:8:18: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
b >= -10^10 && b<=10^10;
~^~~~
/in/foo.cc:8:14: warning: statement has no effect [-Wunused-value]
b >= -10^10 && b<=10^10;
~~~~~~~~~~~~^~~~~~~~~~~