[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fpKOxcxmGk0iGmsx1AuTW17gLdVQbXllxQ4heksoHLh0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":27,"type":91},[],"2024-03-16 19:21:58",134290030,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},10,"5c593781e134e502205684e7f8d14d9c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","计算编程思维","work_33146860","作业7-2","打印输出0~360°之间、增量是30°的所有角度的正弦、余弦函数值",[17,29,38,47,56,65,74,81,86,92],{"answer":18,"createTime":19,"id":20,"options":21,"question":26,"source":27,"type":28},[],"2024-03-16 19:13:21",134289324,[22,23,24,25],"1.5, 1.5","1.5□1.5","x=1.5, y=1.5","x=1.5□y=1.5","使用scanf("x=%f, y=%f", &x, &y),要使变量x和y的值均为1.5,正确的输入是( )","v1",0,{"answer":30,"createTime":19,"id":31,"options":32,"question":37,"source":27,"type":28},[],134289325,[33,34,35,36],"'1', '2', '3'","'1','□', '2'","'1','□', '3'","'1','□', '□'","执行下面程序段,假设用户输入为1□□2□3,则变量ch1,ch2和ch3的值为( ).char ch1, ch2, ch3;scanf("%c%c%c", &ch1, &ch2, &ch3)",{"answer":39,"createTime":19,"id":40,"options":41,"question":46,"source":27,"type":28},[],134289326,[42,43,44,45],"在调用标准库函数前,必须重新定义该库函数","用户可以重新定义标准库函数,重新定义后,该库函数将失去原有含义","标准C不允许用户重新定义标准库函数","在调用标准库函数时,系统自动将该库函数所在的头文件包含到源文件中","以下说法正确的是( )",{"answer":48,"createTime":19,"id":49,"options":50,"question":55,"source":27,"type":28},[],134289327,[51,52,53,54],"005678","5678","|005678|","|-05678|","若有变量定义int k = 5678;,则printf("|%06d|\\n", k)的输出为( )",{"answer":57,"createTime":19,"id":58,"options":59,"question":64,"source":27,"type":28},[],134289328,[60,61,62,63],"int","float","double","不确定","表达式18\u002F4*sqrt(4)的数据类型为( )",{"answer":66,"createTime":19,"id":67,"options":68,"question":73,"source":27,"type":28},[],134289329,[69,70,71,72],"字符","字符串","整型表达式","实数","用getchar函数可以从键盘读入一个( )",{"answer":75,"createTime":76,"id":77,"options":78,"question":79,"source":27,"type":80},[],"2024-03-16 19:21:57",134290026,[],"描述下列程序的功能 #include <stdio.h> #include <math.h> int main ( ) { int n = 127, k1 = 0, k2 = 0; double x = log10(n) \u002F log10(2); double y = log(n) \u002F log(2); k1 = ceil(x) +1; k2 = ceil(y) +1; printf("%d %d\\n", k1, k2); return 0; }",2,{"answer":82,"createTime":76,"id":83,"options":84,"question":85,"source":27,"type":80},[],134290028,[],"描述下列程序的功能 #include <stdio.h> int main( ) { int c[26], i; char ch; while (ch = getchar( ) != '\\n') if (ch >= 'a' && ch <= 'z') c[ch - 'a']++; for (i = 0; i < 26; i++) printf("%c:%d\\n", i + 'a', c[i]); return 0; }",{"answer":87,"createTime":76,"id":88,"options":89,"question":90,"source":27,"type":91},[],134290029,[],"从键盘输入一行字符,统计其中的字母、数字、空格的个数,同时统计字母中大写、小写字母的个数",4,{"answer":93,"createTime":5,"id":6,"options":94,"question":15,"source":27,"type":91},[],[]]