[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fiZ021u2LsxC0FHgxkkY0HyplloJF45QDxEM8iZqllLc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-01-07 06:36:53",305089532,[8,9,10,11],"a=2,b=1","a=1,b=1","a=1,b=0","a=2,b=2",{"courseId":13,"courseImg":14,"courseName":15},"c510cb01cea113e432b530120c075e5e","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8c9dbf7916a8d8c1da00fab3aae2ba87.jpg","C程序设计（4）","请阅读以下程序:main( ){ int x=1,y=0,a=0,b=0; switch(x) { case 1:switch(y) { case 0:a++;break; } case 2:a++,b++;break; } printf("a=%d,b=%d\\n",a,b); }上面程序的输出结果是( )",[18,29,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],305089531,[22,23,24,25],"5","6","9","10","char str[10]="China";数组元素个数为( )","v1",0,{"answer":30,"createTime":5,"id":6,"options":31,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":27,"type":28},[],305089533,[36,37,38,39],"x==0","x==1","x==0||x==1","x!=0","下面的表达式while(!x)中的表达式 !x 与下面条件( )等价",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],305089534,[45,46,47,48],"True","False","0","1","有如下程序段int a=14,b=15,x;char c='A';x=(a&&b)&&(c<'B');执行该程序段后,x的值为( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],305089535,[54,55,56,57],"if (s1==s2)","if (s1=s2)","if (strcpy(s1,s2))","if (strcmp(s1,s2)==0)","判断字符串s1是否等于字符串s2,应当使用( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],305089536,[63,64,65,66],"在C程序中,逗号运算符的优先级最低","在C程序中,APH和aph是两个不同的变量","若a和b类型相同,在计算了赋值表达式a=b后b中的值将放入a中,而b中的值不变","当从键盘输入数据时,对于整型变量只能输入整数,对于浮点型变量只能输入实数","以下叙述中不正确的是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],305089537,[72,73,74,75],"10.0<回车>20.0<回车>30.0","10.0<回车>20 30","10 20<回车>30.0","10.0,20.0,30.0","已有定义和语句:float a, b,c;scanf("%f%f%f",&a,&b,&c);,要求给a、b、c分别输入10.0、20.0、30.0,不正确的输入形式是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],305089538,[81,82,83,84],"在C语言中,字符串是借助于字符型一维数组来存放的,并规定以字符'\\0'作为字符串结束标志","'\\0'作为标志占用存储空间,计入串的实际长度","在表示字符串常量的时候不需要人为在其末尾加入'\\0'","在C语言中,字符串常量隐含处理成以'\\0'结尾","下列关于字符串的说法中错误的是( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],305089539,[90,91,92,93],"A,P_0,do","float,la0,_A","b-a,goto,int","_123,temp,int","下面四个选项中,均是不合法的用户标识符的选项是( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":102,"source":27,"type":28},[],305089540,[99,100,48,101],"409","277","91","有以下程序:main( ){ int i,s=1; for (i=1;i<50;i++) if(!(i%5)&&!(i%3)) s+=i; printf("%d\\n",s); }程序的输出结果是( )"]