[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fRXWBqPS_4gWjfmcAdNIpDHodi_EO5CCd9XkqQi-A9SE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-09-01 00:18:22",96079232,[8,9,10,11],"Z","a","z","A",{"courseId":13,"courseImg":14,"courseName":15},"d99b0708c3efd708c86a5c342c942966","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","c语言","设ch是char型变量,值为'A',则表达式ch=(ch>='A' && ch<='Z')?ch+32:ch的值是",[18,29,38,47,53,58,66,73,76,85],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],96079225,[22,23,24,25],"缩排位置相同的if","在其之前未配对的if","在其之前未配对的最近的if","同一行上的if","为了避免嵌套的if-else语句的二义性,C语言规定else总是与( )组成配对关系","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],96079226,[33,34,35,36],"beak语句只能用于switch","在switch语句中必须使用default","break语句必须与switch语句中的case配对使用","在switch语句中,不一定使用break语句","下列叙述中正确的是( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],96079227,[42,43,44,45],"3","2","1","0","执行程序段后,k 的值是 int k=0,a=1,b=2,c=3; k= a<b?b:a; k= k>c?c:k",{"answer":48,"createTime":5,"id":49,"options":50,"question":52,"source":27,"type":28},[],96079228,[51,42,43,44],"4","假定w、x、y、z、m均为int型变量,如下程序执行后,m的值是Plain Textw=1;x=2;y=3;z=4; m=(w<x)?w:x; m=(m<y)?m:y; m=(m<z)?m:z",{"answer":54,"createTime":5,"id":55,"options":56,"question":57,"source":27,"type":28},[],96079229,[51,42,43,44],"执行下列程序后的输出结果是 int k=4,a=3,b=2,c=1; printf("%d\\n",k<a?k:c<b?c:a)",{"answer":59,"createTime":5,"id":60,"options":61,"question":65,"source":27,"type":28},[],96079230,[62,51,63,64],"10","8","6","设变量说明为 int a=2,b=3,c=7,d=10; 则表达式 d=a==b?++b:++C 的值是",{"answer":67,"createTime":5,"id":68,"options":69,"question":72,"source":27,"type":28},[],96079231,[70,64,71,51],"7","5","若执行下面的程序从键盘上输入5,则输出结果是 int x; scanf("%d",&x); if (x++>5) printf("%d\\n",x); else printf("%d\\n",x--)",{"answer":74,"createTime":5,"id":6,"options":75,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":27,"type":28},[],96079233,[80,81,82,83],"a=2,b=1","a=1,b=1","a=1,b=0","a=2,b=2","有如下程序,该程序的输出结果是 int x=1,a=0,b=0; switch(x){ case 0: b++; case 1: a++; case 2: a++;b++; } printf("a=%d,b=%d\\n",a,b)",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":27,"type":28},[],96079234,[89,90,91,92],"7和5","6和3","7和4","6和4","两次运行下面的程序,如果从键盘上分别输入6和4,则输出结果是 int x; scanf("%d",&x); if(x++>5)printf("%d",x); else printf("%d\\n",x--)"]