C++程序设计题解与上机指导习题程序.doc

C+ Xt1-5#include using namespace std;int main()coutThisis;coutaC+;coutprogram.;return0;Xt1-6#include using namespace std;int main()int a,b,c;a=10;b=23;c=a+b;couta+b=;coutc;coutendl;return0;Xt1-7#include using namespace std;int main()int a,b,c;int f(int x,int y,int z);cinabc;c=f(a,b,c);coutcendl;return0;int f(int x,int y,int z)int m;if (xy)m=x;elsem=y;if (zm)m=z;return(m);Xt1-8#include using namespace std;int main()int a,b,c;cinab;c=a+b;couta+b=a+bendl;return0;Xt1-9#include using namespace std;int main()int a,b,c;int add(int x,int y);cinab;c=add(a,b);couta+b=cendl;return0;int add(int x,int y)int z;z=x+y;return(z);Xt2-3#include using namespace std;int main()charc1=a,c2=b,c3=c,c4=101,c5=116;coutc1c2c3n;couttbc4tc5n;return0;Xt2-4#include using namespace std;int main()charc1=C,c2=+,c3=+;coutI say:c1c2c3;coutttHe says:C+ is veryinteresting! n;return0;Xt2-7#include using namespace std;int main()int i,j,m,n;i=8;j=10;m=+i+j+;n=(+i)+(+j)+m;coutitjtmtnendl;return0;Xt2-8#include using namespace std;int main()charc1=C, c2=h, c3=i,c4=n,c5=a;c1+=4;c2+=4;c3+=4;c4+=4;c5+=4;coutpasswordis:c1c2c3c4c5endl;return0;Xt3-2#include #include using namespace std;int main ()float h,r,l,s,sq,vq,vz;constfloat pi=3.1415926;coutrh;l=2*pi*r;s=r*r*pi;sq=4*pi*r*r;vq=3.0/4.0*pi*r*r*r;vz=pi*r*r*h;coutsetiosflags(ios:fixed)setiosflags(ios:right)setprecision(2);coutl= setw(10)lendl;couts=setw(10)sendl;coutsq=setw(10)sqendl;coutvq=setw(10)vqendl;coutvz=setw(10)vzendl;return0;Xt3-3#include using namespace std;int main ()float c,f;coutf;c=(5.0/9.0)*(f-32); / 5 9 ,5/9 0cout :cendl;return0;Xt3-4#include using namespace std;int main ()charc1,c2;cout c1,c2:;c1=getchar(); / c1c2=getchar(); / c2cout putchar :;putchar(c1);putchar(c2);coutendl;cout cout :;coutc1c2endl;return0;Xt3-4-1#include using namespace std;int main ()charc1,c2;cout c1,c2:;c1=getchar(); / c1c2=getchar(); / c2cout putchar :;putchar(c1);putchar(44);putchar(c2);coutendl;cout cout :;coutc1,c2endl;return0;Xt3-5#include using namespace std;int main ()charc1,c2;int i1,i2; / couti1i2;c1=i1;c2=i2;cout :c1, c2endl;return0;Xt3-8#include using namespace std;int main ()int a=3,b=4,c=5,x,y;coutc& b=c)endl;cout(a|b+c&b-c)endl;coutb)&!c|1)endl;cout(!(x=a)&(y=b)&0)endl;cout(!(a+b)+c-1&b+c/2)endl;return0;Xt3-9-1#include using namespace std;int main ()int a,b,c;coutabc;if(ab)if(bc)coutmax=c;elsecoutmax=b;elseif (ac)coutmax=c;elsecoutmax=a;coutendl;return0;Xt3-9-2#include using namespace std;int main ()int a,b,c,temp,max;coutabc;temp=(ab)?a:b; /* a b temp */max=(tempc)?temp:c; /* a b c max */coutmax=maxendl;return0;Xt3-10#include using namespace std;int main ()int x,y;coutx;if (x1)y=x;coutx=x,y=x=y;elseif (x10) /1x10y=2*x-1;coutx=x, y=2*x-1=y;else /x10y=3*x-11;coutx=x, y=3*x-11=y;coutendl;return0;Xt3-11#include using namespace std;int main ()float score;chargrade;coutscore;while (score100|score0)coutscore;switch(int(score/10)case10:case 9: grade=A;break;case 8: grade=B;break;case 7: grade=C;break;case 6: grade=D;break;default:grade=E;coutscore is score, grade is gradeendl;return0;Xt3-12#include using namespace std;int main ()long int num;int indiv,ten,hundred,thousand,ten_thousand,place;/* ,*/coutnum;if (num9999)place=5;else if (num999)place=4;else if (num99)place=3;else if (num9)place=2;elseplace=1;coutplace=placeendl;/ ten_thousand=num/10000;thousand=(int)(num-ten_thousand*10000)/1000;hundred=(int)(num-ten_thousand*10000-thousand*1000)/100;ten=(int)(num-ten_thousand*10000-thousand*1000-hundred*100)/10;indiv=(int)(num-ten_thousand*10000-thousand*1000-hundred*100-ten*10);coutoriginal order:;switch(place)case5:coutten_thousand,thousand,hundred,ten,indivendl;coutreverseorder:;coutindivtenhundredthousandten_thousandendl;break;case 4:coutthousand,hundred,ten,indivendl;coutreverseorder:;coutindivtenhundredthousandendl;break;case 3:couthundred,ten,indivendl;coutreverseorder:;coutindivtenhundredendl;break;case 2:coutten,indivendl;coutreverseorder:;coutindivtenendl;break;case 1:coutindivendl;coutreverseorder:;coutindivendl;break;return0;Xt3-13-1#include using namespace std;int main ()long i; /i float bonus,bon1,bon2,bon4,bon6,bon10;bon1=100000*0.1; / 10bon2=bon1+100000*0.075; / 20 bon4=bon2+100000*0.05; / 40 bon6=bon4+100000*0.03; / 60 bon10=bon6+400000*0.015; / 100 couti;if (i=100000)bonus=i*0.1; / 1010%elseif (i=200000)bonus=bon1+(i-100000)*0.075; / 1020elseif (i=400000)bonus=bon2+(i-200000)*0.05; / 2040elseif (i=600000)bonus=bon4+(i-400000)*0.03; / 4060elseif (i=1000000)bonus=bon6+(i-600000)*0.015; / 60100elsebonus=bon10+(i-1000000)*0.01; / 100coutbonus=bonusendl;return0;Xt3-13-2#include using namespace std;int main ()long i;float bonus,bon1,bon2,bon4,bon6,bon10;int c;bon1=100000*0.1;bon2=bon1+100000*0.075;bon4=bon2+200000*0.05;bon6=bon4+200000*0.03;bon10=bon6+400000*0.015;couti;c=i/100000;if (c10) c=10;switch(c)case0: bonus=i*0.1;break;case 1: bonus=bon1+(i-100000)*0.075;break;case 2:case 3: bonus=bon2+(i-200000)*0.05;break;case 4:case 5: bonus=bon4+(i-400000)*0.03;break;case 6:case 7:case 8:case 9: bonus=bon6+(i-600000)*0.015;break;case 10:bonus=bon10+(i-1000000)*0.01;coutbonus=bonusendl;return0;Xt3-14#include using namespace std;int main ()int t,a,b,c,d;coutabcd;couta=a, b=b, c=c,d=db)t=a;a=b;b=t;if (ac)t=a;a=c;c=t;if (ad)t=a;a=d; d=t;if (bc)t=b;b=c;c=t;if (bd)t=b;b=d;d=t;if (cd)t=c;c=d;d=t;coutthe sorted sequence:endl;couta, b, c, dendl;return0;Xt3-15#include using namespace std;int main ()int p,r,n,m,temp;coutnm;if (nm)temp=n;n=m;m=temp; / n, m p=n*m; / nm p, while (m!=0) / nmr=n%m;n=m;m=r;coutHCF=nendl;coutLCD=p/nendl; /p return0;Xt3-16#include using namespace std;int main ()charc;int letters=0,space=0,digit=0,other=0;coutenter one line:=a &c=A &c=0& c=9)digit+;elseother+;coutletter:letters, space:space, digit:digit, other:otherendl;return0;Xt3-17#include using namespace std;int main ()int a,n,i=1,sn=0,tn=0;coutan;while (i=n)tn=tn+a; / tn i a sn=sn+tn; / sn i a=a*10;+i;couta+aa+aaa+.=snendl;return0;Xt3-18#include using namespace std;int main ()float s=0,t=1;int n;for(n=1;n=20;n+)t=t*n; / n!s=s+t; / cout1!+2!+.+20!=sendl;return0;Xt3-19#include using namespace std;int main ()int i,j,k,n;coutnarcissusnumbers are:endl;for(n=100;n1000;n+)i=n/100;j=n/10-i*10;k=n%10;if (n= i*i*i +j*j*j + k*k*k)coutn ;coutendl;return0;Xt3-20-1#include using namespace std;int main()const int m=1000; / int k1,k2,k3,k4,k5,k6,k7,k8,k9,k10;int i,a,n,s;for(a=2;a=m;a+)n=0;s=a;for(i=1;ia;i+)if (a%i=0)n+;s=s-i;switch(n)case1:k1=i;case 2:k2=i;case 3:k3=i;case 4:k4=i;case 5:k5=i;case 6:k6=i;case 7:k7=i;case 8:k8=i;case 9:k9=i;case 10:k10=i;break;break;break;break;break;break;break;break;break;break;/a 21000 / n a/ s a/ ia/ i a / n 1/s s / k1,.,k10/ 1k1/ 2k2/ 3k3/ 4k4/ 5k5/ 6k6/ 7k7/ 8k8/ 9k9/ 10k10if (s=0) /s=0 couta is a endl;cout1) coutk1,1 a2if (n2) cout,2 3 if (n3) cout,3 4 if (n4) cout,5) cout,6) cout,7) cout,8) cout,9) cout,k10;coutendlendl;return0;Xt3-20-2#include using namespace std;int main()int m,s,i;for(m=2;m1000;m+)s=0;for(i=1;im;i+)if (m%i)=0)s=s+i;if(s=m)coutmis a endl;coutits factors are:;for(i=1;im;i+)if (m%i=0) couti ;coutendl;return0;Xt3-20-3#include using namespace std;int main()int k11;int i,a,n,s;for(a=2;a=1000;a+)n=0;s=a;for(i=1;ia;i+)if (a%i)=0)n+;s=s-i;kn=i; / k1k10if (s=0)couta is a endl;coutits factors are:;for(i=1;in;i+)coutki ;coutknendl;return0;Xt3-21#include using namespace std;int main()int i,t,n=20;double a=2,b=1,s=0;for(i=1;i=n;i+)s=s+a/b;t=a;a=a+b; / b=t; / coutsum=sendl;return0;Xt3-22#include using namespace std;int main()int day,x1,x2;day=9;x2=1;while(day0)x1=(x2+1)*2; / 1212x2=x1;day-;couttotal=x1endl;return0;Xt3-23#include #include using namespace std;int main()float a,x0,x1;couta; / a x0=a/2;x1=(x0+a/x0)/2;dox0=x1;x1=(x0+a/x0)/2;while(fabs(x0-x1)=1e-5);coutThe squarerootof a is x1endl;return0;Xt3-24#include using namespace std;int main()int i,k;for(i=0;i=3;i+) / 4 *for(k=0;k=2*i;k+)cout*; / *coutendl; / *for(i=0;i=2;i+) / 3 *for(k=0;k=4-2*i;k+)cout*; / *coutendl; / *return0;Xt3-25#include using namespace std;int main()chari,j,k; /*i a ;j b;k c */for(i=X;i=Z;i+)for(j=X;j=Z;j+)if (i!=j)for(k=X;k=Z;k+)if (i!=k &j!=k)if (i!=X&k!=X& k!=Z)coutA-i B-j C-kendl;return0;Xt4-1#include using namespace std;int main()int hcf(int,int);int lcd(int,int,int);int u,v,h,l;cinuv;h=hcf(u,v);coutH.C.F=hendl;l=lcd(u,v,h);coutL.C.D=lu)t=u;u=v;v=t;while (r=u%v)!=0)u=v;v=r;return(v);int lcd(int u,int v,int h)return(u*v/h);Xt4-2#include #include using namespace std;float x1,x2,disc,p,q;int main()void greater_than_zero(float,float);void equal_to_zero(float,float);void smaller_than_zero(float,float);float a,b,c;coutabc;disc=b*b-4*a*c;coutroot:0)greater_than_zero(a,b);coutx1=x1,x2=x2endl;elseif (disc=0)equal_to_zero(a,b);coutx1=x1,x2=x2endl;elsesmaller_than_zero(a,b);coutx1=p+qiendl;coutx2=p-qi0 */x1=(-b+sqrt(disc)/(2*a);x2=(-b-sqrt(disc)/(2*a);void equal_to_zero(float a,float b) /* disc=0 */x1=x2=(-b)/(2*a);voidsmaller_than_zero(floata,floatb) /* disc0 */p=-b/(2*a);q=sqrt(-disc)/(2*a);Xt4-3#include using namespace std;int main()int prime(int); /* */int n;coutn;if (prime(n)coutn is aprime.endl;elsecoutn is nota prime.endl;return0;int prime(int n)int flag=1,i;for(i=2;in/2& flag=1;i+)if (n%i=0)flag=0;return(flag);Xt4-4#include using namespace std;int main()int fac(int);int a,b,c,sum=0;coutabc;sum=sum+fac(a)+fac(b)+fac(c);couta!+b!+c!=sumendl;return0;int fac(int n)int f=1;for(int i=1;i=n;i+)f=f*i;returnf;Xt4-5#include #include using namespace std;int main()double e(double);double x,sinh;coutx;sinh=(e(x)+e(-x)/2;coutsinh(x)=sinhendl;return0;double e(double x)returnexp(x);Xt4-6#include #include using namespace std;int main()double solut(double ,double ,double ,double );double a,b,c,d;coutabcd;coutx=solut(a,b,c,d)=1e-5);return(x);Xt4-7#include #include using namespace std;int main()void godbaha(int);int n;coutn;godbaha(n);return0;void godbaha(int n)int prime(int);int a,b;for(a=3;a=n/2;a=a+2)if(prime(a)b=n-a;if (prime(b)coutn=a+bendl;int prime(int m)int i,k=sqrt(m);for(i=2;ik) return1;else return0;Xt4-8#include using namespace std;int main()int x,n;float p(int,int);coutnx;coutn=n,x=xendl;coutPn(x)=p(n,x)endl;return0;float p(int n,int x)if (n=0)return(1);elseif (n=1)return(x);elsereturn(2*n-1)*x*p(n-1),x)-(n-1)*p(n-2),x)/n);Xt4-9#include using namespace std;int main()void hanoi(int n,charone,char two,charthree);int m;coutm;coutThe stepsof moving m disks:endl;hanoi(m,A,B,C);return0;void hanoi(int n,charo