独立生活100% Scanner sc = new Scanner(System.in); String nums=sc.nextLine(); String[] numbers=nums.split(" "); int x=Integer.parseInt(numbers[0]); int f=Integer.parseInt(numbers[1]); int d=Integer.parseInt(numbers[2]); int p=Integer.parseInt(numbers[3]); int i,j; int count=0; int temp=0; if(x*f<d){ temp=d-x*f; count+=f; count+=temp/(x+p); } else{ count+=d/x; } System.out.println(count);