既然是交答案题，出题人还很良心地给了标准程序，只是不能用。。。
那就让它能用啦~(≧▽≦)/~
//也算另类骗分吧...
利用linux 里的xxd vim 和objdump，还有一点点汇编常识，你发现，你破解了lost
送一个破解后objdump反汇编出的diff
不过为什么破解以后的lost只能拿98分？莫非出题人写炸了？
另外，蒟蒻一只，膜各位神犇
$ diff lost2.S lost2_b.S
2c2
< lost2： 文件格式 elf32-i386
---
> lost2_b： 文件格式 elf32-i386
290,303c290,292
< 8048b70: 90 nop
< 8048b71: 90 nop
< 8048b72: 90 nop
< 8048b73: 90 nop
< 8048b74: 90 nop
< 8048b75: 90 nop
< 8048b76: 90 nop
< 8048b77: 90 nop
< 8048b78: 90 nop
< 8048b79: 90 nop
< 8048b7a: 90 nop
< 8048b7b: 90 nop
< 8048b7c: 90 nop
< 8048b7d: 90 nop
---
> 8048b70: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 8048b77: e8 44 fe ff ff call 80489c0 <puts@plt>
> 8048b7c: eb 49 jmp 8048bc7 <_ZN1B2DoEv+0x97>
344,360c333,335
< 8048bfd: 90 nop
< 8048bfe: 90 nop
< 8048bff: 90 nop
< 8048c00: 90 nop
< 8048c01: 90 nop
< 8048c02: 90 nop
< 8048c03: 90 nop
< 8048c04: 90 nop
< 8048c05: 90 nop
< 8048c06: 90 nop
< 8048c07: 90 nop
< 8048c08: 90 nop
< 8048c09: 90 nop
< 8048c0a: 90 nop
< 8048c0b: 90 nop
< 8048c0c: 90 nop
< 8048c0d: 90 nop
---
> 8048bfd: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 8048c04: e8 b7 fd ff ff call 80489c0 <puts@plt>
> 8048c09: e9 86 01 00 00 jmp 8048d94 <_ZN1C2DoEv+0x1cb>
499,512c474,476
< 8048dcf: 90 nop
< 8048dd0: 90 nop
< 8048dd1: 90 nop
< 8048dd2: 90 nop
< 8048dd3: 90 nop
< 8048dd4: 90 nop
< 8048dd5: 90 nop
< 8048dd6: 90 nop
< 8048dd7: 90 nop
< 8048dd8: 90 nop
< 8048dd9: 90 nop
< 8048dda: 90 nop
< 8048ddb: 90 nop
< 8048ddc: 90 nop
---
> 8048dcf: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 8048dd6: e8 e5 fb ff ff call 80489c0 <puts@plt>
> 8048ddb: eb 7e jmp 8048e5b <_ZN1D2DoEv+0xc1>
639,655c603,605
< 8048f88: 90 nop
< 8048f89: 90 nop
< 8048f8a: 90 nop
< 8048f8b: 90 nop
< 8048f8c: 90 nop
< 8048f8d: 90 nop
< 8048f8e: 90 nop
< 8048f8f: 90 nop
< 8048f90: 90 nop
< 8048f91: 90 nop
< 8048f92: 90 nop
< 8048f93: 90 nop
< 8048f94: 90 nop
< 8048f95: 90 nop
< 8048f96: 90 nop
< 8048f97: 90 nop
< 8048f98: 90 nop
---
> 8048f88: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 8048f8f: e8 2c fa ff ff call 80489c0 <puts@plt>
> 8048f94: e9 e9 00 00 00 jmp 8049082 <_ZN1E2DoEv+0x1e6>
1123,1136c1073,1075
< 8049693: 90 nop
< 8049694: 90 nop
< 8049695: 90 nop
< 8049696: 90 nop
< 8049697: 90 nop
< 8049698: 90 nop
< 8049699: 90 nop
< 804969a: 90 nop
< 804969b: 90 nop
< 804969c: 90 nop
< 804969d: 90 nop
< 804969e: 90 nop
< 804969f: 90 nop
< 80496a0: 90 nop
---
> 8049693: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 804969a: e8 21 f3 ff ff call 80489c0 <puts@plt>
> 804969f: eb 34 jmp 80496d5 <_ZN1F4DoItEv+0xbf>
1622,1635c1561,1563
< 8049d7f: 90 nop
< 8049d80: 90 nop
< 8049d81: 90 nop
< 8049d82: 90 nop
< 8049d83: 90 nop
< 8049d84: 90 nop
< 8049d85: 90 nop
< 8049d86: 90 nop
< 8049d87: 90 nop
< 8049d88: 90 nop
< 8049d89: 90 nop
< 8049d8a: 90 nop
< 8049d8b: 90 nop
< 8049d8c: 90 nop
---
> 8049d7f: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 8049d86: e8 35 ec ff ff call 80489c0 <puts@plt>
> 8049d8b: eb 2d jmp 8049dba <_ZN1G4DoItEv+0xae>
1679,1695c1607,1609
< 8049e0a: 90 nop
< 8049e0b: 90 nop
< 8049e0c: 90 nop
< 8049e0d: 90 nop
< 8049e0e: 90 nop
< 8049e0f: 90 nop
< 8049e10: 90 nop
< 8049e11: 90 nop
< 8049e12: 90 nop
< 8049e13: 90 nop
< 8049e14: 90 nop
< 8049e15: 90 nop
< 8049e16: 90 nop
< 8049e17: 90 nop
< 8049e18: 90 nop
< 8049e19: 90 nop
< 8049e1a: 90 nop
---
> 8049e0a: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 8049e11: e8 aa eb ff ff call 80489c0 <puts@plt>
> 8049e16: e9 68 01 00 00 jmp 8049f83 <_ZN1H2DoEv+0x1b5>
1856,1872c1770,1772
< 804a029: 90 nop
< 804a02a: 90 nop
< 804a02b: 90 nop
< 804a02c: 90 nop
< 804a02d: 90 nop
< 804a02e: 90 nop
< 804a02f: 90 nop
< 804a030: 90 nop
< 804a031: 90 nop
< 804a032: 90 nop
< 804a033: 90 nop
< 804a034: 90 nop
< 804a035: 90 nop
< 804a036: 90 nop
< 804a037: 90 nop
< 804a038: 90 nop
< 804a039: 90 nop
---
> 804a029: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 804a030: e8 8b e9 ff ff call 80489c0 <puts@plt>
> 804a035: e9 57 05 00 00 jmp 804a591 <_ZN1I2DoEv+0x5ea>
2635,2651c2535,2537
< 804aac3: 90 nop
< 804aac4: 90 nop
< 804aac5: 90 nop
< 804aac6: 90 nop
< 804aac7: 90 nop
< 804aac8: 90 nop
< 804aac9: 90 nop
< 804aaca: 90 nop
< 804aacb: 90 nop
< 804aacc: 90 nop
< 804aacd: 90 nop
< 804aace: 90 nop
< 804aacf: 90 nop
< 804aad0: 90 nop
< 804aad1: 90 nop
< 804aad2: 90 nop
< 804aad3: 90 nop
---
> 804aac3: c7 04 24 ec c3 04 08 mov DWORD PTR [esp],0x804c3ec
> 804aaca: e8 f1 de ff ff call 80489c0 <puts@plt>
> 804aacf: e9 a5 00 00 00 jmp 804ab79 <_ZN1J2DoEv+0x138>
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