【单选题】
下列程序的输出结果是（）。 #include fun(int *a,int *b) {int *w;*a=*a+*a;*w=*a; *a=*b; *b=*w;} main（ ） {int x=9,y=5,*px=fun(px,py);printf(%d, %d\n,x,y);}
①
出错
②
18，5
③
5，9
④
5，18
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/3F44424811773A9DEA14A317F21E100F.png title=题干.png alt=题干.png width=695 height=46 style=width: 695px; height: 46px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/B4A1FBBB05D41179A1A0905BF4B3FCA2.png style=width: 352px; height: 98px; title=2.png width=352 height=98/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/3B3009B83E7506FCF15373A7F0F67602.png title=1.png style=white-space: normal; width: 352px; height: 74px; width=352 height=74/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/FFD46E383E8700A017C1CC4F5C443642.png title=3.png style=white-space: normal; width: 373px; height: 87px; width=373 height=87/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7D23572729288CD7605F165B1809FB33.png title=4.png style=white-space: normal; width: 401px; height: 94px; width=401 height=94/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A5C8EEE864F5E420D7493392492A0ACB.png title=题干.png alt=题干.png width=550 height=46 style=width: 550px; height: 46px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E8227261439D1CC3AFC73FDCD39FA1A6.png style=width: 207px; height: 46px; title=1.png width=207 height=46/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/CB6F6A16DA23CE2A67886B7775A68BDE.png title=2.png style=white-space: normal; width: 218px; height: 46px; width=218 height=46/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/297525CEB8D748EFCE660ACBDD03A357.png title=3.png style=white-space: normal; width: 194px; height: 48px; width=194 height=48/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/60971BFBB0EE2D5FAA7B5D162BA33876.png title=4.png style=white-space: normal; width: 131px; height: 46px; width=131 height=46/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B7319F3A2E4D8147392704EDBDF5276F.png title=题干.png alt=题干.png width=825 height=47 style=width: 825px; height: 47px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C11832AB0459C6359BE89FC090E4981E.png style=width: 195px; height: 47px; title=2.png width=195 height=47/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/B7C148A344072B4A45D3F2352B2C8E8E.png title=1.png style=white-space: normal; width: 100px; height: 39px; width=100 height=39/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F00599135518EF9BDA37FFBD82725667.png title=3.png style=white-space: normal; width: 199px; height: 51px; width=199 height=51/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/41C4696FDAC2A6470FF8CB3A1D4A94D6.png title=4.png style=white-space: normal; width: 149px; height: 49px; width=149 height=49/>
【简答题】
<img src="http://huaweicloudobs.ahjxjy.cn/a21df811fed825dc03b63baaeec07124.png" width="412" height="140" style="width: 412px; height: 140px;"/>
【简答题】
<img src="http://huaweicloudobs.ahjxjy.cn/9641e06329bff0b8f6486ccfca325215.png" width="424" height="114" style="width: 424px; height: 114px;"/>
【简答题】
<img src="http://huaweicloudobs.ahjxjy.cn/71a44498900cac892c52740dfae6ff4e.png" width="392" height="110" style="width: 392px; height: 110px;"/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B84D3F30674499098A62B4CBF6D950CE.png title=题干.png alt=题干.png width=794 height=101 style=width: 794px; height: 101px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/A5E2D80BB78C87A174D13B7D816C43F9.png style=width: 179px; height: 42px; title=1.png width=179 height=42/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/01E34C7338B31B4366A8843285A0C7C6.png title=3.png style=white-space: normal; width: 222px; height: 30px; width=222 height=30/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1CD7E6137890EED791F3795B632830DA.png title=2.png style=white-space: normal; width: 207px; height: 46px; width=207 height=46/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/DB5C14F6856142AD84BEA807B78BC820.png title=4.png style=white-space: normal; width: 225px; height: 40px; width=225 height=40/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4763991A5FEB36C30F2D15F1459AAB51.png title=题干.png alt=题干.png width=861 height=114 style=width: 861px; height: 114px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/553893536C82E40DB761A7EC2161D45E.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/11A6CA965CD07046649EDDD564936419.png title=2.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B83D282BA6B9F81623D41FBB9CE648BB.png title=3.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/784505A81EE65223625BEFFA092FB96D.png title=4.png style=white-space: normal;/>