第八周课下作业1
4.47:
main:
#include<stdio.h>
main()
{
long data[5]={1000,999,998,1324,1588};
bubble_a(data,5);
for(int i=0;i<5;i++)
{
printf("%ld
",data[i]);
}
}
bubble_a:
void bubble_a(long *data,long count)
{
long i,last;
for(last=count-1;last>0;last--){
for(i=0;i<last;i++)
if(*(data+i+1)<*(data+i))
{
long t=*(data+i+1);
*(data+i+i)=(data+i);
*(data+i)=t;
}
}
}
0000000000000000 <bubble_a>:
0: 55 push %rbp
1: 48 89 e5 mov %rsp,%rbp
4: 48 89 7d d8 mov %rdi,-0x28(%rbp)
8: 48 89 75 d0 mov %rsi,-0x30(%rbp)
c: 48 8b 45 d0 mov -0x30(%rbp),%rax
10: 48 83 e8 01 sub $0x1,%rax
14: 48 89 45 f0 mov %rax,-0x10(%rbp)
18: e9 c2 00 00 00 jmpq df <bubble_a+0xdf>
1d: 48 c7 45 e8 00 00 00 movq $0x0,-0x18(%rbp)
24: 00
25: e9 a2 00 00 00 jmpq cc <bubble_a+0xcc>
2a: 48 8b 45 e8 mov -0x18(%rbp),%rax
2e: 48 83 c0 01 add $0x1,%rax
32: 48 8d 14 c5 00 00 00 lea 0x0(,%rax,8),%rdx
39: 00
3a: 48 8b 45 d8 mov -0x28(%rbp),%rax
3e: 48 01 d0 add %rdx,%rax
41: 48 8b 10 mov (%rax),%rdx
44: 48 8b 45 e8 mov -0x18(%rbp),%rax
48: 48 8d 0c c5 00 00 00 lea 0x0(,%rax,8),%rcx
4f: 00
50: 48 8b 45 d8 mov -0x28(%rbp),%rax
54: 48 01 c8 add %rcx,%rax
57: 48 8b 00 mov (%rax),%rax
5a: 48 39 c2 cmp %rax,%rdx
5d: 7d 68 jge c7 <bubble_a+0xc7>
5f: 48 8b 45 e8 mov -0x18(%rbp),%rax
63: 48 83 c0 01 add $0x1,%rax
67: 48 8d 14 c5 00 00 00 lea 0x0(,%rax,8),%rdx
6e: 00
6f: 48 8b 45 d8 mov -0x28(%rbp),%rax
73: 48 01 d0 add %rdx,%rax
76: 48 8b 00 mov (%rax),%rax
79: 48 89 45 f8 mov %rax,-0x8(%rbp)
7d: 48 8b 45 e8 mov -0x18(%rbp),%rax
81: 48 83 c0 01 add $0x1,%rax
85: 48 8d 14 c5 00 00 00 lea 0x0(,%rax,8),%rdx
8c: 00
8d: 48 8b 45 d8 mov -0x28(%rbp),%rax
91: 48 01 c2 add %rax,%rdx
94: 48 8b 45 e8 mov -0x18(%rbp),%rax
98: 48 8d 0c c5 00 00 00 lea 0x0(,%rax,8),%rcx
9f: 00
a0: 48 8b 45 d8 mov -0x28(%rbp),%rax
a4: 48 01 c8 add %rcx,%rax
a7: 48 8b 00 mov (%rax),%rax
aa: 48 89 02 mov %rax,(%rdx)
ad: 48 8b 45 e8 mov -0x18(%rbp),%rax
b1: 48 8d 14 c5 00 00 00 lea 0x0(,%rax,8),%rdx
b8: 00
b9: 48 8b 45 d8 mov -0x28(%rbp),%rax
bd: 48 01 c2 add %rax,%rdx
c0: 48 8b 45 f8 mov -0x8(%rbp),%rax
c4: 48 89 02 mov %rax,(%rdx)
c7: 48 83 45 e8 01 addq $0x1,-0x18(%rbp)
cc: 48 8b 45 e8 mov -0x18(%rbp),%rax
d0: 48 3b 45 f0 cmp -0x10(%rbp),%rax
d4: 0f 8c 50 ff ff ff jl 2a <bubble_a+0x2a>
da: 48 83 6d f0 01 subq $0x1,-0x10(%rbp)
df: 48 83 7d f0 00 cmpq $0x0,-0x10(%rbp)
e4: 0f 8f 33 ff ff ff jg 1d <bubble_a+0x1d>
ea: 90 nop
eb: 5d pop %rbp
ec: c3 retq
4.48:
void bubble_a(long data[],long count)
{
long i,last;
for(last=count-1;last>0;last--){
for(i=0;i<last;i++)
if(data[i+1]<data[i])
{
long t=data[i+1];
data[i+1]=data[i];
data[i]=t;
}
}
}
4.49:
void bubble_a(long data[])
{
long i,last;
for(last=0;data[last+1]!=' ';last++){
for(i=0;data[i+1]!=' ';i++)
if(data[i+1]<data[i])
{
long t=data[i+1];
data[i+1]=data[i];
data[i]=t;
}
}
}
