超星 - 第5周：循环结构（一）测试 - 查题吧

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若运行时输入：16<CR>,则以下程序的运行结果是#include void main(void){intyear;printf("Inputyour year:");scanf("%d",&year);if(year>=18)printf("your$4.5 yuan/xiaoshi");elseprintf("your$3.0 yuan/xiaoshi"); }

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若运行时输入：2<CR>,则以下程序的运行结果是#include void main(void){char class;printf("Enter 1 for 1st class post or 2 for 2nd post");scanf("%c",&class);if (class=='1')printf("1st class postage is 19p");elseprintf("2nd class postage is 14p"); 。）}

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若运行时输入：4.4<CR>,则以下程序的运行结果是。#includevoidmain(void){floatcostprice,sellingprice;printf("EnterCost Price $:");scanf("%f",&costprice);if(costprice>=5){sellingprice=costprice+costprice0.25;printf("SellingPrice(0.25)$%6.2f",sellingprice);}else{sellingprice=costprice+costprice0.30;printf("SellingPrice(0.30)$%6.2f",sellingprice);}}

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以下程序的运行结果是main(){if (22==5<22==4)printf("T");elseprintf("F");}

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请阅读以下程序，若运行时输入:1605<CR>时，程序的运行结果是。main(){intt,h,m;scanf("%d",&t);h=t/100%12;if(h==0)h=12;printf("%d:",h);m=t%100;if(m<10)printf("0");printf("%d",m);if(t<1200||t==2400)printf("AM");elseprintf("PM");}

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以下程序实现：输入园的半径r和运算标志m，按照运算标志进行指定计算，请填空。标志运算a面积c周长b二者均计算#definepi=3.14159main(){charm;floatr,c,a;printf("Inputmark a c or b && r\n");scanf("%c%f",&m,&r);if( {a=pirr;printf("area is %f",a);}if( {c=2pir;printf("circle is %f",c);}if( {a=pirr;c=2pir;printf("area&& circle are %f %f",a,c);}}

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若运行时输入：5999<CR>，则以下程序的运行结果是。main(){int x;float y;scanf("%d",&x);if(x>=0&&xx<=2999) y=18+0.12x;if(x>=3000&&x<=5999) y=36+0.6x;if(x>=6000&&x<=10000)y=54+0.3*x;printf("%6.1f",y);}

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以下程序实现输出x,y,z三个数中的最大者。请分析程序填空。main(){intx=4,y=6,z=7;;int;if()u=x;elseu=y;if(else v=z;printf("v=%d",v);}

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以下程序将输入的三个整数按从大到小顺序输出，请分析程序填空。main(){intx,y,z,c;scanf("%d%d%d",&x,&y,&z);if(){c=y;y=z;z=c;}if(){c=x;x=z;z=c;}if(){c=x;x=y;y=c;}printf("%d,%d,%d",x,y,z);}

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以下程序对输入的两个整数，按从大到小顺序输出，请分析程序填空。main(){intx,y,z;scanf("%d,%d",&x,&y);if(){z=x;}printf("%d,%d",x,y);}

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