[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fKfBLCQepOknV0e1epUG293Us9u78wyo8DAcG-_fYMQk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-06-25 20:02:50",155452170,[8,9,10,11],"10","9","0","1",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},23,"0aa1533288a3d50819d429b63167a410","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","2023-2024(二)大学计算机B","work_35631872","第6章课后习题","以下for语句的循环次数为( ).for(x=10; x>=1; x--)",[21,32,38,47,56,63,72,78,87,90],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],155452162,[25,26,27,28],"16","5","3","25","以下程序的运行结果是( ).#include <stdio.h>void main(){ int i,j,sum=0; for(i=1;i<=3;i++) { for(j=1;j<=i;j++) sum+=i*j; } printf("%d",sum);}","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":37,"source":30,"type":31},[],155452163,[8,26,11,36],"45","以下程序的运行结果是( ).#include <stdio.h>void main()( A ){ int i,sum=0; for(i=1;i<10;i++) { if (i%5==0) break; sum+=i; } printf("%d\\n",sum);}",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":30,"type":31},[],155452164,[42,43,44,45],"1 1 1 1","2 4 6 8","2 3 4 5","1 2 3 4","以下程序的运行结果是( ).#include <stdio.h>void fun(int i){ int a=1; a+=i; printf("%3d",a);}void main(){ int i; for(i=1;i<=4;i++) fun(); printf("\\n");}",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":30,"type":31},[],155452165,[51,52,53,54],"#####","#*#*#","*****","*#*#*","以下程序的运行结果是( ).#include <stdio.h>void main(){ int i; for(i=1;i<=5;i++) { if (i%2==0) printf("*"); else printf("#"); }}",{"answer":57,"createTime":5,"id":58,"options":59,"question":62,"source":30,"type":31},[],155452166,[60,61,10,26],"6","11","以下程序中语句 printf("x");执行的次数是( ). int x=0, y=10; while(x<y) { x++;y--; printf("x"); }",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":30,"type":31},[],155452167,[67,68,69,70],"一个break语句可以从多层循环嵌套中退出","在循环体内使用break和continue语句的作用相同","只能在switch结构和循环结构中使用break语句","continue语句的作用是结束整个循环的执行","以下说法正确的是( )",{"answer":73,"createTime":5,"id":74,"options":75,"question":77,"source":30,"type":31},[],155452168,[60,11,76,8],"4","以下for语句的循环次数为( ).for(x=1; x<=6; x++)",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":30,"type":31},[],155452169,[82,83,84,85],"a+=i","i++","a++","a=i+1","以下程序计算1~20之间偶数的和,请填空.#include <stdio.h>void main(){ int a=0,i; for(i=2;i<=20;i+=2) { ( ) ; } printf("偶数之和是%d",a);}",{"answer":88,"createTime":5,"id":6,"options":89,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":91,"createTime":5,"id":92,"options":93,"question":97,"source":30,"type":31},[],155452171,[76,94,95,96],"8","20","2","以下程序的运行结果是( ).#include <stdio.h>int fun1(int x){ return x*x;}int fun2(int x, int y){ double a,b; a=fun1(x); b=fun1(y); return(a+b);}void main(){ double c; c=fun2(2.1,4.2); printf("%10.0lf\\n",c);}"]