/in/foo.cc: In function 'void mar(int)':
/in/foo.cc:14:4: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
  if(a[ma]==0)
    ^
/in/foo.cc:20:4: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
  if(a[ma]==1)
    ^
/in/foo.cc:26:4: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
  if(a[ma]==2)
    ^
/in/foo.cc:32:4: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
  if(a[ma]==3)
    ^
/in/foo.cc:38:4: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
  if(a[ma]==4)
    ^