1、%lfn,PI*r*r);圆球表面积:,4*PI*r*r);圆球体积:,4.0/3*PI*r*r);圆柱体积:,PI*r*r*h);/xt010402.cppint c;Input a character:c=getchar();%ct%dn,c,c);/xt010403.cppint x,y,h=30,f=90;x=(4*h-f)/2;y=(f-2*h)/2;鸡:%d, 兔:%dn,x,y);/xt010404.cppmath.hdouble a,b,c,s,area;请输入三角形的三条边长(注意三条边长应能够构成三角形):%lf,%lf,%lfa,&b,&c);s=(a+b+c)/2;ar
2、ea=sqrt(s*(s-a)*(s-b)*(s-c);三角形的面积是:,area);/xt010405.cppdouble f,c;请输入华氏温度:%lff);c=5.0/9.0*(f-32);与华氏温度%.2lf对应的摄氏温度是:%.2lfn,f,c);/xt010406.cppchar c1,c2,c3,c4,c5;请输入需加密的字符串(5个字符):c1=getchar();c2=getchar();c3=getchar();c4=getchar();c5=getchar();加密后的字符串是:putchar(c1+5);putchar(c2+5);putchar(c3+5);putch
3、ar(c4+5);putchar(c5+5);n习题2CBADC CCAACa+b=0&a*b!=0逻辑与逻辑或continue(c=getchar()!=n%c答案:该程序所完成功能的函数关系为: )0( 1 ) 0( 0 ) 0( 1 xx x x sign /* xt020401.cpp */int num;* Input num: *n%dnum);if(num%3=0&num%5=0&num%7=0)* YES ! *nelse* NO !/* xt020402.cpp */int h=0;float x,y,x0=2,y0=2,d1,d2,d3,d4;* input: x,y *n
4、%f,%fx,&y);d1=(x-x0)*(x-x0)+(y-y0)*(y-y0); /*点(x,y)到各中心点的距离*/d2=(x-x0)*(x-x0)+(y+y0)*(y+y0);d3=(x+x0)*(x+x0)+(y-y0)*(y-y0);d4=(x+x0)*(x+x0)+(y+y0)*(y+y0);if(d1=1|d2=1|d3=1|d4=1)h=15;x=%f, y=%fnh=%dn,h);/* xt020403.cpp */ void main() int i,j,k,n;for(n=100;n= EPS );e=%fn,e);/* xt020405.cpp */int num=1
5、;if(num+3)%5=0&(num-3)%6=0)break;num+=1;while(1);num=%dn,num);/* xt020406.cpp */ int num;for(num=1;num=99;num+)if(num*num%10=num|num*num%100=num)%4d,%5d,num,num*num);/* xt020407.cpp */ int n,k=1;float s=0;for(n=1;=10000; s=s+1.0/(2.0*n-1)*k;k=-k;PI=%fn,4*s);/* xt020408.cpp */ int n10,n5,n2,n1;for(n1
6、0=1;n10=9;n10+)for(n5=1;n5=17;n5+)for(n2=1;n2=1&n10*10+n5*5+n2*2+n1=100)n10=%d,n5=%d,n2=%d,n1=%dn,n10,n5,n2,n1);/* xt020409.cpp */float sn=100,hn=sn/2;int n=2;while(n0;day-) x1=(x2+1)*2;x2=x1;Total=%dn,x1);习题3单项选择题BBCAC DDABB填空题9010x一致n/2sum+asum/n1. 2 4 62. s=303. 5 9 45 8 424. lanuge5.8 1 63 5 74
7、9 26. max=10,row=2,colum=1/xt030401.cppstdlib.htime.hvoidmain(void)int num10,a;srand(unsigned)time(NULL);请输入一个2位数,试试您是否能中奖:a);for(int i=0;i10;i+) numi = (rand()+10)%100;if(a = numi) 猜中一个数%d 下标是%d,a,i);printf(-nfor( i=0; i i+) %dt,numi);/xt030402.cpp int a5=23,45,60,67,88,x,i,j,yes=0;for(i=0;5;%d,ai)
8、;nwhich number do you want to delete?x);i+)if(ai=x) yes=1;for(j=i;j200);nRandomiz list size(1000):,size);nAuto make a %d size of list:for(x=0;xmax) max=ax,b1=x;if(axmin) min=ax,b2=x;nThe array elements max= %din %d nmin=%din %dn,max,b1,min,b2);/xt030405.cpp#define KIND 5int x,y,len,totalKIND+1;int a
9、=1,1,1,1,2,2,2,3,5,5,5,5,1,1,3,3,3,3,3,2,2,2,5,5,5;len=sizeof(a)/sizeof(a0);KIND+1; totalx=0 ;for(y=1;yy+)len;if (ax=y) totaly+;nThe list kinded:x+) printf( %d nThe total result: for(x=1; %d-%d, ,x,totalx);/xt030406.cpp#define N 26int main(void) static int aN+1,bN+1;int i,j,s,m,p;%d%ds,&m);for (i=1;
10、=N;i+) ai=i;i=s-1;j=0;p=0;while (pN) i-=N;if(ai=0) i+;goto bh;j+;if (j%m=0) p+;bp=ai;ai=0; i+) printf(%3d,bi);/xt030407.cppvoidmain()inti,j,s=0,ave,v3;staticinta53=80,75,92,61,65,71,59,63,70,85,87,90,76,77,85;3;i+)for(j=0;j+)s=s+aji;vi=s/5;s=0;ave=(v0+v1+v2)/3;math:%dnclanguag:%dndbase:,v0,v1,v2);to
11、talave:,avel);/xt030408.cppint i,j,a1010, b=1,2,3,4,5,6,7,8,9,10;i+) a0i=bi;for(i=1;for(j=0;j+)if(ij) aij=aji;else aij=ai-1j-1; for(j=0;,aij);/xt030409.cpp#define SIZE 5000#define N 7int x,y,aN=0,0,0,0,0,0,0,s;x=0;while(x0&s7) as+;x+;nRandomiz 1-6 list nN;s=ax*0.07;for(y=0;s;,x);t%dt%2.1f%n,ax,(float)ax*100/SIZE);/xt030410.cpp#define N 20int main()int x,s,tag;char aN;Please input numbers and its length less then %d:,N-1);s=1;while(s=6):for(middle1=2;middle1=num/2;middle1+=1)if(detect(middle1)middle2=num-middle1;if(detect(mid
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