第一题这样可能会更好一点
Scanner sc = new Scanner(System.in);
int N = sc.nextInt();
int result64 = 0;
int result16 = 0;
int result4 = 0;
int total = 0;
N = 1024 - N;
while(N>64){
result64 += N>>6;
N-=result64*64;
}
while(N>16){
result16 += N>>4;
N-=result16*16;
}
while(N>4){
result4 += N>>2;
N-=result4*4;
}
total = result64+result16+result4+N;
System.out.println(total);
