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发表于 2018-11-10 14:28:36
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- #include <stdio.h>
- int main(void)
- {
- int i = 1;
- printf("%d\n", ++i);
- i = 1;
- printf("%d %d %d %d %d %d\n", ++i, --i, i++, i--, -i++, -i--);
- return 0;
- }
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- 2
- 1 1 0 1 0 -1
- 请按任意键继续. . .
复制代码
- #include <stdio.h>
- int main(void)
- {
- 000717A0 55 push ebp
- 000717A1 8B EC mov ebp,esp
- 000717A3 81 EC DC 00 00 00 sub esp,0DCh
- 000717A9 53 push ebx
- 000717AA 56 push esi
- 000717AB 57 push edi
- 000717AC 8D BD 24 FF FF FF lea edi,[ebp-0DCh]
- 000717B2 B9 37 00 00 00 mov ecx,37h
- 000717B7 B8 CC CC CC CC mov eax,0CCCCCCCCh
- 000717BC F3 AB rep stos dword ptr es:[edi]
- int i = 1;
- 000717BE C7 45 F8 01 00 00 00 mov dword ptr [i],1
- printf("%d\n", ++i);
- 000717C5 8B 45 F8 mov eax,dword ptr [i]
- 000717C8 83 C0 01 add eax,1
- 000717CB 89 45 F8 mov dword ptr [i],eax
- 000717CE 8B 4D F8 mov ecx,dword ptr [i]
- 000717D1 51 push ecx
- 000717D2 68 30 7B 07 00 push offset string "%d\n" (077B30h)
- 000717D7 E8 4E FB FF FF call _printf (07132Ah)
- 000717DC 83 C4 08 add esp,8
- i = 1;
- 000717DF C7 45 F8 01 00 00 00 mov dword ptr [i],1
- printf("%d %d %d %d %d %d\n", ++i, --i, i++, i--, -i++, -i--);
- 000717E6 8B 45 F8 mov eax,dword ptr [i]
- 000717E9 F7 D8 neg eax
- 000717EB 89 85 30 FF FF FF mov dword ptr [ebp-0D0h],eax
- 000717F1 8B 4D F8 mov ecx,dword ptr [i]
- 000717F4 83 E9 01 sub ecx,1
- 000717F7 89 4D F8 mov dword ptr [i],ecx
- 000717FA 8B 55 F8 mov edx,dword ptr [i]
- 000717FD F7 DA neg edx
- 000717FF 89 95 2C FF FF FF mov dword ptr [ebp-0D4h],edx
- 00071805 8B 45 F8 mov eax,dword ptr [i]
- 00071808 83 C0 01 add eax,1
- 0007180B 89 45 F8 mov dword ptr [i],eax
- 0007180E 8B 4D F8 mov ecx,dword ptr [i]
- 00071811 89 8D 28 FF FF FF mov dword ptr [ebp-0D8h],ecx
- 00071817 8B 55 F8 mov edx,dword ptr [i]
- 0007181A 83 EA 01 sub edx,1
- 0007181D 89 55 F8 mov dword ptr [i],edx
- 00071820 8B 45 F8 mov eax,dword ptr [i]
- 00071823 89 85 24 FF FF FF mov dword ptr [ebp-0DCh],eax
- 00071829 8B 4D F8 mov ecx,dword ptr [i]
- 0007182C 83 C1 01 add ecx,1
- 0007182F 89 4D F8 mov dword ptr [i],ecx
- 00071832 8B 55 F8 mov edx,dword ptr [i]
- 00071835 83 EA 01 sub edx,1
- 00071838 89 55 F8 mov dword ptr [i],edx
- 0007183B 8B 45 F8 mov eax,dword ptr [i]
- 0007183E 83 C0 01 add eax,1
- 00071841 89 45 F8 mov dword ptr [i],eax
- 00071844 8B 8D 30 FF FF FF mov ecx,dword ptr [ebp-0D0h]
- 0007184A 51 push ecx
- 0007184B 8B 95 2C FF FF FF mov edx,dword ptr [ebp-0D4h]
- 00071851 52 push edx
- 00071852 8B 85 28 FF FF FF mov eax,dword ptr [ebp-0D8h]
- 00071858 50 push eax
- 00071859 8B 8D 24 FF FF FF mov ecx,dword ptr [ebp-0DCh]
- 0007185F 51 push ecx
- 00071860 8B 55 F8 mov edx,dword ptr [i]
- 00071863 52 push edx
- 00071864 8B 45 F8 mov eax,dword ptr [i]
- 00071867 50 push eax
- 00071868 68 34 7B 07 00 push offset string "%d %d %d %d %d %d\n" (077B34h)
- 0007186D E8 B8 FA FF FF call _printf (07132Ah)
- 00071872 83 C4 1C add esp,1Ch
- return 0;
- 00071875 33 C0 xor eax,eax
- }
- 00071877 5F pop edi
- 00071878 5E pop esi
- 00071879 5B pop ebx
- 0007187A 81 C4 DC 00 00 00 add esp,0DCh
- }
- 00071880 3B EC cmp ebp,esp
- 00071882 E8 9B F8 FF FF call __RTC_CheckEsp (071122h)
- 00071887 8B E5 mov esp,ebp
- 00071889 5D pop ebp
- 0007188A C3 ret
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