Run id: 130974

Main.cc: In function 'bool ss(int)':
Main.cc:5:21: error: expected primary-expression before ';' token
  for(int i=2;i<=n/2;;i++){
                     ^
Main.cc:5:21: error: expected ')' before ';' token
Main.cc:5:22: error: 'i' was not declared in this scope
  for(int i=2;i<=n/2;;i++){
                      ^