[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7cnLbUd2fWq4IuerQEnP0BmsSCPUL1GPIL5gFJw8p50":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-06-25 07:49:38",206522590,[8,9,10,11],"char","int","float","double",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_41568665","化工2025作业22","表达式:25%3+24.5\u002F5-'a'运算后的类型为",[21,33,41,44,53,63,72,81,90,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-06-24 18:30:34",206522584,[26,27,28,29],"负数在计算机中用"补码"表示,假设一个整数存储单元占用4个字节,则-23的存储表示为2^32-23","整数在计算机表示时有一个符号位,其中0代表正号,1代表负号","计算机表示整数和数学一样也有无穷大和无穷小","无符号整数的最小值为0","下面关于整数描述不正确的是","v1",0,{"answer":34,"createTime":35,"id":36,"options":37,"question":40,"source":31,"type":32},[],"2025-06-25 07:49:39",206522587,[9,38,11,39],"short","long","下面哪个关键字不能用以定义整型变量",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":45,"createTime":35,"id":46,"options":47,"question":52,"source":31,"type":32},[],206522593,[48,49,50,51],"345 345.78","345.78 345","345 345","345.78 345.78","int d; double d1; d1=345.78; d=(int)d1; 上面程序段执行后变量d1和d的值分别是",{"answer":54,"createTime":55,"id":56,"options":57,"question":62,"source":31,"type":32},[],"2025-06-22 16:48:48",206522596,[58,59,60,61],"=","*",">","&&","下面C语言运算符优先级最低的是",{"answer":64,"createTime":35,"id":65,"options":66,"question":71,"source":31,"type":32},[],206522599,[67,68,69,70],"E23","34E5","23","34.56E2.3","下面哪个是合法的实型常量表示",{"answer":73,"createTime":35,"id":74,"options":75,"question":80,"source":31,"type":32},[],206522602,[76,77,78,79],"23.0%5","53=3","int 5","a++","下面C语言表达式合法的是",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":31,"type":32},[],206522605,[85,86,87,88],"c1=D,c2=D","c1=D,c2=d","c1=d,c2=d","c1=d,c2=D","#include "stdio.h" int main() { char c1,c2; c1='D'; c2=c1+'a'-'A'; printf("c1=%c,c2=%c\\n",c1,c2); return 0; } 上面程序段的运行结果是",{"answer":91,"createTime":55,"id":92,"options":93,"question":98,"source":31,"type":32},[],206522608,[94,95,96,97],"d=a>b","d=a>20&&b>20","d=a<20&&b<20","d=a<20&&b>20","根据下面程序段, int a,b,d; a=12; b=23; 执行下面语句后变量d的值为1的是",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":31,"type":32},[],206522611,[103,104,105,106],"0","5","1","2","执行下面程序段后变量d的值是: a=2; b=3; c=4; d=a>b||b>c+a<b&&b<c"]