运行 ID: 38964

Main.cc: In function ‘int main()’:
Main.cc:7:9: error: expected ‘)’ before ‘!’ token
  while(n!-1){
         ^
Main.cc:7:12: error: expected ‘;’ before ‘)’ token
  while(n!-1){
            ^
Main.cc:11:2: warning: statement has no effect [-Wunused-value]
  }
  ^
Main.cc:12:2: error: ‘else’ without a previous ‘if’
  else if(n%2==1){
  ^~~~