/in/foo.cc: In member function 'void Array::SetInter(Array)':
/in/foo.cc:38:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
       if (c[k] = c[i]) n = 0;
                      ^
/in/foo.cc:57:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
       if (c[k] = c[i]) n = 0;
                      ^
/in/foo.cc: At global scope:
/in/foo.cc:77:11: error: '::main' must return 'int'
 void main() {
           ^