《c++程序设计》谭浩强版

第一章题#include<iostream>usingnamespacestd;intmain()(cout«MThis,'«',isu;cout«Ma,,«,,C++n;cout«Hprogram.M;return0;题#include<iostream>usingnamespacestd;intmain()(inta,b,c;a=10;b=23;c=a+b;cout«"a+b=H;cout«c;cout«endl;return0;)七题#include<iostream>usingnamespacestd;intmain()(inta,b,c;intf(intx,inty,intz);cin»a»b»c;c=f(a,b,c);cout«c«endl;return0;)intf(intx,inty,intz)(intm;if(x<y)m=x;elsem=y;if(z<m)m=z;retum(m);题#include<iostream>usingnamespacestd;intmain()(inta,b,c;cin»a»b;c=a+b;cout«,,a+b=,,«a+b«endl;return0;)题#include<iostream>usingnamespacestd;intmain()(inta,b,c;intadd(intx,inty);cin»a»b;c=add(a,b);cout«"a+b="«c<<endl;return0;)intadd(intx,inty){intz;z=x+y;return(z);)题#include<iostream>usingnamespacestd;intmain(){charcl=,a;c2=,b*,c3=,c,,c4=M01',c5=M16r;cout«c1<<c2<<c3«'\n,;cout«,,\t\b"«c4«,\t'«c5«,\n';return0;)题#include<iostream>usingnamespacestd;intmain(){charcl=,C;c2=,+*,c3=,+';cout«MIsay:\H,,«cl«c2«c3«V;cout«"\t\t"«,'Hesays:VC++isveryinteresting!\,,n«An*;return0;题#include<iostream>usingnamespacestd;intmain(){inti,j,m,n;i=8；j=10;m=++i+j++;n=(++i)+(++j)+m;cout«i<<\t,<<j«\t'«m«\t,«n«endl;return0;)题#include<iostream>usingnamespacestd;intmain(){charcl='C；c2=rh',c3='i\c4=n',c5='a';cl+=4;c2+=4;c3+=4;c4+=4;c5+=4;cout«"passwordis:,,«cl«c2«c3«c4«c5«endl;return0;)题#include<iostream>#include<iomanip>usingnamespacestd;intmain(){floath,r,l,s,sq,vq,vz;constfloatpi=3.1415926;cout«,,pleaseenterr,h:H;cin»r»h;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;cout«setiosflags(ios::fixed)«setiosflags(ios::right)«setprecision(2);cout«"l=*'«setw(10)«l«endl;cout«Hs=M«setw(10)«s«endl;cout«"sq=,'«setw(10)«sq«endl;cout«Hvq=M«setw(10)«vq«endl;cout«Mvz=H«setw(10)«vz«endl;return0;)题#include<iostream>usingnamespacestd;intmain(){floatc,f;coutvv”请输入一个华氏温度:“；cin»f;c=(5.0/9.0)*(f-32); 〃注意5和9要用实型表示,否则5/9值为〇coutvv”摄氏温度为:“vvcvvendl;return0;}；题#include<iostream>usingnamespacestd;intmain(){charcl,c2;coutvv”请输入两个字符cl,c2:n;cl=getchar(); 〃将输入的第一个字符赋给clc2=getchar(); 〃将输入的第二个字符赋给c2coutvv”用putchar函数输出结果为:“；putchar(c1);putchar(c2);cout«endl;coutく〈”用cout语句输出结果为:"；cout«c1«c2«endl;return0;}题另ー解#include<iostream>usingnamespacestd;intmain(){charcl,c2;coutvv”请输入两个字符cl,c2:n;cl=getchar(); 〃将输入的第一个字符赋给clc2=getchar(); 〃将输入的第二个字符赋给c2coutvv”用putchar函数输出结果为:"；putchar(cl);putchar(44);putchar(c2);cout«endl;coutvv”用cout语句输出结果为:";cout«cl«H,n«c2«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){charcl,c2;intil,i2; 〃定义为整型couivv”请输入两个整数il,i2:M;cin»il»i2;cl=il;c2=i2;coutvv”按字符输出结果为:“vvckv"，”《c2vvendl;return0;)题#include<iostream>usingnamespacestd;intmain(){inta=3,b=4,c=5,x,y;cout«(a+b>c&&b==c)«endl;cout«(allb+c&&b-c)«endl;cout«(!(a>b)&&!clll)«endl;cout«(!(x=a)&&(y=b)&&0)«endl;cout«(!(a+b)+c-l&&b+c/2)«endl;return0;}题include<iostream>usingnamespacestd;intmain(){inta,b,c;cout«npleaseenterthreeintegernumbers:**;cin»a»b»c;if(a<b)if(b<c)cout«max=«c;elsecouivv“maxゴvvb;elseif(a<c)cout«"max=n«c;elsecout«',max=,,«a;cout«endl;return0;)另ー解#include<iostream>usingnamespacestd;intmain(){inta,b,c,temp,max;cout«npleaseenterthreeintegernumbers:**;cin»a»b»c;temp=(a>b)?a:b; /・将a和b中的大者存入temp中・/max=(temp>c)?temp:c; /・将a和b中的大者与c比较,最大者存入max刊cout«"max=,'«max«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){intx,y;cout«Henterx:**;cin»x;if(x<l){y=x;cout«,,x=**«x«**,y=x=n«y;)elseif(x<10) //l^x<10{y=2*x-l;cout«*,x=*,«x«H,y=2*x-l=**«y;)else 〃x210{y=3*x-ll;cout«*,x=,'«x«H,y=3*x-ll=**«y;cout«endl;return0;)题#include<iostream>usingnamespacestd;intmain(){floatscore;chargrade;cout«npleaseenterscoreofstudent:u;cin»score;while(score>100llscore<0){cout«Mdataerror,enterdataagain.”；cin»score;}switch(int(score/l0)){case10:case9:grade='A';break;case8:grade=,B,;break;case7:grade=,C';break;case6:grade='D,;break;default:grade=E';)cout«"scoreisu«score«,',gradeisH«grade«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){longintnum;intindiv,ten,hundred,thousand,ten_thousand,place;/・分别代表个位,十位,百位,千位,万位和位数・/cout«Henteraninteger(0~99999):“；cin»num;if(num>9999)place=5;elseif(num>999)place=4;elseif(num>99)place=3;elseif(num>9)place=2;elseplace=l;cout«"place=u«place«endl;

〃计算各位数字ten_thousand=num/l0000;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*l0);cout«noriginalorder:',;switch(place){case5:cout«ten_thousand«**/*«thousand«**,,,«hundred«*'/,«ten«*,,**«indiv«endl;cout«**reverseorder:**;cout«indiv«ten«hundred«thousand«ten_thousand«endl;break;case4:cout«thousand«*,,**«hundred«**,,*«ten«,,,**«indiv«endl;cout«'*reverseorder:**;cout«indiv«ten«hundred«thousand«endl;break;case3:cout«hundred«**,**«ten«*',*,«indiv«endl;cout«**reverseorder:**;cout«indiv«ten«hundred«endl;break;case2:cout«ten«**,**«indiv«endl;cout«**reverseorder:**;cout«indiv«ten«endl;break;case1:cout«indiv«endl;cout«**reverseorder:**;cout«indiv«endl;break;)return0;}题#include<iostream>usingnamespacestd;intmain(){longi; 〃i为利润floatbonus,bon1,bon2,bon4,bon6,bon10;bonl=100000*0.1;bon2=bon1+bonl=100000*0.1;bon2=bon1+100000*0.075;bon4=bon2+100000*0.05;bon6=bon4+100000*0.03;bonl0=bon6+400000*0.015;〃利润为10万元时的奖金〃利润为20万元时的奖金〃利润为40万元时的奖金〃利润为60万元时的奖金〃利润为100万元时的奖金cout«Mcout«Menteri:H;cin»i;if(i<=100000)bonus=i*0.1;elseif(i<=200000)bonus=bonl+(i-l00000)*0.075;elseif(i<=400000)bonus=bon2+(i-200000)*0.05;elseif(i<=600000)bonus=bon4+(i-400000)*0.03;elseif(i<=1000000)bonus=bon6+(i-600000)*0.015;elsebonus=bon10+(i-l000000)*0.01;cout«nbonus=n«bonus«endl;return0;)3.13题另ー解#include<iostream>〃利润在10万元以内按10%提成奖金〃利润在10万元至20万时的奖金〃利润在20万元至40万时的奖金〃利润在40万元至60万时的奖金〃利润在60万元至100万时的奖金〃利润在100万元以上时的奖金usingnamespacestd;intmain(){longi;floatbonus,bon1,bon2,bon4,bon6,bon10;intc;bon1=100000*0.1;bon2=bon1+100000*0.075;bon4=bon2+200000*0.05;bon6=bon4+200000*0.03;bon1〇=bon6+400000*0.015;cout«Menteri:"；cin»i;c=i/l00000;if(c>10)c=10;switch(c){case0:bonus=i*0.1;break;bonus=bon1+(i-100000)*0.075;break;bonus=bon2+(i-200000)*0.05;break;bonus=bon4+(i-400000)*0.03;break;bonus=bon6+(i-600000)*0.015;break;bonus=bonl0+(i-1000000)*00h)cout«"bonus=n«bonus«endl;return0;)314题#include<iostream>usingnamespacestd;intmain(){intt,a,b,c,d;coutvvknterfournumbers:',;cin»a»b»c»d;cout«**a=**«a«**,b=**«b«**,c=**«c«**,d=**«d«endl;if(a>b){t=a;a=b;b=t;}if(a>c){t=a;a=c;c=t;)if(a>d){t=a;a=d;d=t;}if(b>c){t=b;b=c;c=t;}if(b>d){t=b;b=d;d=t;}if(c>d){t=c;c=d;d=t;}cout«**thesortedsequence:**«endl;cout«a«**,**«b«'*,**«c«**,**«d«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){intp,r,n,m,temp;cout«**pleaseentertwopositiveintegernumbersn,m:**;cin»n»m;if(n<m){temp=n;n=m;m=temp; 〃把大数放在n中,小数放在m中}p=n*m; 〃先将n和m的乘积保存在p中,以便求最小公倍数时用while(m!=0) 〃求n和m的最大公约数{r=n%m;n=m;m=r;)cout<<nHCF=n«n«endl;cout«"LCD="«p/n«endl; 〃p是原来两个整数的乘积return0;题#include<iostream>usingnamespacestd;intmain(){chare;intletters=0,space=0,digit=0,other=0;cout«"enteroneline::n«endl;while((c=getchar())!=,\n,){if(c>=a'&&cv='z'llc>='A'&&c<=,Z,)letters++;elseif(c='f)space++;elseif(c>=0'&&c<='9,)digit++;elseother++;)cout«nletter:n«letters«'\space:"«space«,',digiビ'vvdigitvv",other:n«other«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){inta,n,i=1,sn=O,tn=O;cout«Ma,n=:H;cin»a»n;while(i<=n){tn=tn+a; 〃赋值后的tn为i个a组成数的值sn=sn+tn;〃赋值后的sn为多项式前i项之和a=a*10;++i；cout«"a+aa+aaa+...=,,«sn«end1;return0;)题#include<iostream>usingnamespacestd;intmain(){floats=O,t=l;intn;for(n=1;n<=20;n++)(t=t*n; 〃求n!s=s+t; //将各项累加)cout«"l!4-2!+...+20!="«s«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){inti,j,k,n;cout«"narcissusnumbersare:H«endl;for(n=100;n<1000;n+4-){i=n/100;j=n/10-i*10;k=n%10;if(n=i*i*i+j*j*j+k*k*k)cout«n«nH;)cout«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){constintm=1000; //定义寻找范围intk1,k2,k3,k4,k5,k6,k7,k8,k9,k10;inti,a,n,s;for(a=2;av=m;a++) 〃a是2〜1000之间的整数,检查它是否为完数{n=0; //n用来累计a的因子的个数s=a; 〃s用来存放尚未求出的因子之和,开始时等于afor(i=l;i<a;i++) 〃检查i是否为a的因子if(a%i==O)〃如果i是a的因子{n++; 〃n加1,表示新找到ー个因子s=s-i; 〃$减去已找到的因子,s的新值是尚未求出的因子之和switch(n) /Z将找到的因子赋给kl,...,klO{case1:kl=i;break;/Z找出的笫1个因子赋给klk2=i;break;/Z找出的笫2个因子赋给k2k3=i;break;/Z找出的笫3个因子赋给k3k4=i;break;/Z找出的笫4个因子赋给k4k5=i;break;/Z找出的笫5个因子赋给k5k6=i;break; 〃找出的笫6个因子赋给k6k7=i;break;/Z找出的笫7个因子赋给k7k8=i;break; 〃找出的笫8个因子赋给k8k9=i;break;/Z找出的笫9个因子赋给k9kl0=i;break;/Z找出的笫10个因子赋给klO})if(s=O) //s=0表示全部因子都已找到了{cout«a«Misa完数”vvendl;cout«nitsfactorsare:";if(n>l)cout«kl«H；'«k2;//n>l表示a至少有2个因子if(n>2)cout«",n«k3;//n>2表示至少有3个因子,故应再输出ー个因子if(n>3)cout«",n«k4;//n>3表示至少有4个因子,故应再输出ー个因子if(n>4)cout«",n«k5;/Z以下类似if(n>5)cout«","«k6;if(n>6)cout«","«k7;if(n>7) cout«M,"«k8;if(n>8) cout«n,"«k9;if(n>9) cout«\"«klO;cout«endl«endl;)3.20题另ー解#include<iostream>usingnamespacestd;intmain(){intm,s,i；for(m=2;m<1000;m+4-){s=0;for(i=l;i<m;i++)if((m%i)==0)s=s+i;if(s==m){cout«m«Misa完数”vvendl;cout«"itsfactorsare:',;for(i=l;i<m;i++)if(m%i==0)cout«i«HM;cout«endl;})return0;)题另ー解#include<iostream>usingnamespacestd;intmain(){intk[ll];inti,a,n,s;for(a=2;a<=1000;a++){n=0;s=a;for(i=l;i<a;i++)if((a%i)==0){n++;s=s-i;k[n]=i; //将找到的因子赋给k[l]…k[10])if(s==0){cout«a«Hisa完数”《endl;cout«nitsfactorsare:',;for(i=l;ivn;i++)cout«k[i]«Hn;cout«k[n]«endl;)题#include<iostream>usingnamespacestd;intmain(){inti,t,n=20;doublea=2,b=l,s=0;for(i=l；i<=n;i++){s=s+a/b;t=a;a=a+b; /Z将前ー项分子与分母之和作为下ー项的分子b=t; /Z将前ー项的分子作为下ー项的分母)cout«"sum=",«s«endl;return0;)题#include<iostream>usingnamespacestd;intmain(){intday,xl,x2;day=9;x2=l;while(day>0){xl=(x2+l)*2; //第1天的桃子数是第2天桃子数加1后的2倍x2=xl;day一；)cout«,'total=,,«x1«endl;return0;}题#include<iostream>#include<cmath>usingnamespacestd;intmain(){floata,x0,x1;cout«Henterapositivenumber:1,;cin»a; 〃输入a的值x0=a/2;xl=(xO+a/xO)/2;do{xO=xl;xl=(x0+a/x0)/2;}while(fabs(xO-x1)>=le-5);cout«nThesquarerootofM«a«Misn«xl«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){inti,k;for(i=0;i<=3;i++) /Z输出上面4行・号{for(k=0;k<=2*i;k++)cout«n*H; /Z输出・号cout«endl; 〃输出完一行・号后换行)for(i=0;i<=2;i++)/Z输出下面3行・号{for(k=0;k<=4-2*i;k++)cout«'^*^,; /Z输出・号cout«endl; //输出完一行・号后换行}return0;题#include<iostream>usingnamespacestd;intmain(){chari,j,k; /*i是a的对手J是b的对手;k是c的对手・/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!士X'&&k!士X,&&k!=T)cout«,,A-,<«i«"B-"«j«nC-"«k«endl;return0;)usingnamespacestd;intmain(){inthcf(int,int);intlcd(int,int,int);intu,v,h,l;cin»u»v;h=hcf(u,v);cout«nH.C.F=u«h«endl;l=lcd(u,v,h);cout«"L.C.D=n«l«endl;return0;)inthcf(intu,intv){intt,r;if(v>u){t=u;u=v;v=t;}while((r=u%v)!=0){u=v;v=r;}retum(v);)intlcd(intujntv,inth){retum(u*v/h);)题#include<iostream>#include<math.h>usingnamespacestd;floatxl,x2,disc,p,q;intmain(){voidgreater_than_zero(float,float);voidequal_to_zero(float,float);voidsmaller_than_zero(float,float);floata,b,c;cout«"inputa,b,c:n;cin»a»b»c;disc=b*b-4*a*c;cout«Mroot:n«endl;if(disc>0)greater_than_zero(a,b);cout«"x1="«x1«M,x2=n«x2«endl;)elseif(disc==O){equal_to_zero(a,b);cout«"xl="«xI«,,,x2=,,<<x2«endl;)else{smaller_than_zero(a,b);cout«"xl="«p«n+,,«q«,,i',«endl;cout«,,x2=,,«p«,,-,,«q«,,i,,«endl;)return0;}voidgreater_than_zero(floata,floatb) /・定义ー个函数,用来求disc>0时方程的根*/{x1=(-b+sqrt(disc))/(2*a);x2=(-b-sqrt(disc))/(2*a);voidequal_to_zero(floata,floatb) /・定义ー个函数,用来求disc=0时方程的根・/(x1=x2=(-b)/(2*a);)voidsmaller_than_zero(floata,floatb)/・定义ー个函数,用来求disc<0时方程的根・/(p=-b/(2*a);q=sqrt(-disc)/(2*a);1题#include<iostream>usingnamespacestd;intmain(){intprime(int); /・函数原型声明・/intn;cout«ninputaninteger:'1;cin»n;if(prime(n))cout«n«"isaprime."«endl;elsecout«n«nisnotaprime.*'«endl;return0;}intprime(intn){intflag=l,i;for(i=2;i<=n/2&&ilag==l;i++)if(n%i=0)flag=0;return(flag);题#include<iostream>usingnamespacestd;intmain(){intfac(int);inta,b,c,sum=0;cout«"entera,b,c:n;cin»a»b»c;sum=sum+fac(a)+fac(b)+fac(c);cout«a«',!4-,'«b«H!+',«c«,,!=,'«sum«endl;return0;)intfac(intn){intf=l;for(inti=1;i<=n;i++)f=f*i;returnf;}题#include<iostream>#include<cmath>usingnamespacestd;intmain(){doublee(double);doublex,sinh;cout«"enterx:M;cin»x;sinh=(e(x)+e(-x))/2;cout«nsinh(,'«x«,')=,,«sinh«endl;return0;doublee(doublex){returnexp(x);)题#include<iostream>#include<cmath>usingnamespacestd;intmain(){doublesolut(double,double,double,double);doublea,b,c,d;cout«"inputa,b,c,d："；cin»a»b»c»d;cout«"x=n«solut(a,b,c,d)«endl;return0;)doublesolut(doublea,doubleb,doublec,doubled){doublex=l,xO,f,fl;do{x0=x;f=((a*x0+b)*x0+c)*x0+d;fl=(3*a*x0+2*b)*x0+c;x=xO-f/fl;}while(fabs(x-xO)>=1e-5);return(x);}题#include<iostream>#include<cmath>usingnamespacestd;intmain(){voidgodbaha(int);intn;cout«"inputn:M;cin»n;godbaha(n);return0;voidgodbaha(intn){intprime(int);inta,b;for(a=3;a<=n/2;a=a+2){if(prime(a)){b=n-a;if(prime(b))cout«n«"=,,«a«,,+',<<b«endl;}intprime(intm){inti,k=sqrt(m);for(i=2;i<=k;i++)if(m%i==O)break;if(i>k)return1;elsereturn0;题#include<iostream>usingnamespacestd;intmain(){intx,n;floatp(int,int);cout«"inputn&x:n;cin»n»x;cout«,'n="«n«,',x=,'«x«endl;;cout«nP,,«n«',(x)=,,«p(n,x)«endl;return0;}floatp(intn,intx){if(n==0)retum(l);elseif(n==l)retum(x);elseretum(((2*n-1)*x*p((n-1),x)-(n-1)*p((n-2),x))/n);usingnamespacestd;intmain(){voidhanoi(intn,charone,chartwo,charthree);intm;cout«Minputthenumberofdiskes:*';cin»m;cout«"Thestepsofmoving,'«m«ndisks:"vvendl;hanoi(m,'A,,'B,,'C);return0;)voidhanoi(intn,charone,chartwo,charthree)〃将n个盘从one座借助two座,移到three座{voidmove(charx,chary);if(n==l)move(one,three);else{hanoi(n-1,one,three,two);move(one,three);hanoi(n-1,two,one,three);voidmove(charx,chary){cout«x«,,->,'«y«endl;}题#include<iostream>usingnamespacestd;intmain(){voidconvert(intn);intnumber;cout«ninputaninteger:n;cin»number;cout«noutput:H«endl;if(number<0){cout«H-M;number=-number;)convert(number);cout«endl;return0;voidconvert(intn){inti;charc;if((i=n/10)!=0)convert(i);c=n%10+'0,;cout«"M«c;}题#include<iostream>usingnamespacestd;intmain(){intf(int);intn,s;cout«Minputthenumbern:w;cin»n;s=f(n);cout«"TheresultisH«s«endl;return0;}intf(intn)(；if(n=l)return1;elsereturn(n*n+f(n-l));题#include<iostream>#include<cmath>usingnamespacestd;#defineS(a,b,c)(a+b+c)/2#defineAREA(a,b,c)sqrt(S(a,b,c)*(S(a,b,c)-a)*(S(a,bfc)-b)*(S(a,b,c)-c))intmain(){floata,b,c;cout«"inputa,b,c:M;cin»a»b»c;if(a+b>c&&a+c>b&&b+c>a)cout«,'area=u«AREA(a,b,c)«endl;elsecout«nItisnotatriangle!M«endl;return0;题#include<iostream>usingnamespacestd;//#defineLETTER1intmain(){charc;cin»c;#ifLETTERif(c>='a'&&c<=,z,)c=c-32;#elseif(c>士A'&&c<='Z,)c=c+32;#endifcout«c«endl;return0;)题#include<iostream>usingnamespacestd;#defineCHANGE1intmain(){charch[40];cout«Hinputtext:u«endl;;gets(ch);#if(CHANGE){for(inti=0;i<40;i++){if(ch[i]!=W)if(ch[i]>=,a,&&ch[i]<'z,llch[i]>'A'&&ch[i]<T)ch[i]+=l;elseif(ch[i]=='z,llch[i]==,Z,)ch[i]-=25;}}#endifcout«"output:H<<endl«ch«endl;return0;)题file#include<iostream>usingnamespacestd;inta;intmain(){externintpower(int);intb=3,c,d,m;cout«"enteranintegeraanditspowerm:n«endl;cin»a»m;c=a*b;cout«a«H*H«b«n="«c«endl;d=power(m);cout«a«,,**,,«m«,,=,,«d«endl;return0;}416题fileexterninta;intpower(intn){inti,y=l;for(i=l;i<=n;i++)y*=a;returny;题#include<iostream>#include<iomanip>usingnamespacestd;#include<math.h>intmain(){inti,j,n,a[101J;for(i=1;i<=100;i++)a[i]=i;a[l]=0;for(i=2;i<sqrt(100);i++)for(j=i+1;j<=l00;j++){if(a[iJ!=O&&a|j]!=0)if(a[j]%a[i]=0)a[jJ=O；}cout«endl;for(i=l,n=0;i<=l00;i++){if(a[i]!=0){cout«setw(5)«a[i]«Mn++;}if(n==10){cout«endl;n=0;})cout«endl;return0;题#include<iostream>usingnamespacestd;//#include<math.h>intmain(){inti,j,min,temp,a[l1];cout«Henterdata:M«endl;for(i=l;i<=10;i++){cout«"a[M«i«"]=M;cin»a[ij; 〃输入10个数)cout«endl«"Theoriginalnumbers:"«endl;;for(i=l;i<=10;i++)cout«a[i]«HH; /Z输出这!0个数cout«endl;;for(i=l;i<=9;i++) 〃以下8行是对10个数排序{minゴ;for(j=i+l;j<=!〇;j++)if(a[min]>a[j])min=j;temp=a[i]; 〃以下3行将a[i+l]〜a[10]中最小者与a[i]对换a[i]=a[min];a[min]=temp;)cout«endl«"Thesortednumbers:M«endl;for(i=l;i<=10;i++) /Z输出已排好序的10个数cout«a[i]«HH;cout«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){intal3][3],sum=0;inti,j;cout«Menterdata:u«endl;;for(i=0;i<3;i++)for(j=0;jv3;j++)cin»a[i][j];for(i=0;i<3;i++)sum=sum+a[i][i];cout«"sum=',«sum«endl;return0;1题#include<iostream>usingnamespacestd;intmain(){inta[ll]={l,4,6,9,13,16,19,28,40,100);intnum,i,j;cout«"arraya:H«endl;for(i=0;i<10;i++)cout«a[i]«MM;cout«endl;;cout«Hinsertdata:";cin»num;if(num>a[9])a[10]=num;else{for(i=0;i<10;i++){if(a[i]>num){for(j=9;j>=i;j-)a[j+l]=a[j];a[ij=num;break;)}}cout«"Now,arraya:"«endl;for(i=0;i<ll;i++)cout«a[i]«"";cout«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){constintn=5;inta[n],i,temp;cout«"enterarraya:M«endl;for(i=O;i<n;i++)cin»a[i];cout«"arraya:u«endl;for(i=O;i<n;i++)cout«a[i]«nn;for(i=0;i<n/2;i++) 〃循环的作用是将对称的元素的值互换{temp=a[i];a[i]=a[n-i-l];a[n-i-l]=temp;}cout«endl«MNow,arraya:u«endl;for(i=O;i<n;i++)cout«a[i]«ncout«endl;return0;}题#include<iostream>#include<iomanip>usingnamespacestd;intmain(){constintn=l1;intij,a[n][n];for(i=l;i<n;i++){a[i][i]=l;a[ij[l]=l；}for(i=3;ivn;i++)for(j=2;j<=i-l;j++)a[i][j]=a[i-l]|j-l]+a[M][j];for(i=l;i<n;i++){for(j=l;j<=i;j++)coutvvsetw(5)v<a「皿くv””；cout«endl;}cout«endl;return0;}题#include<iostream>usingnamespacestd;intmain(){constintn=4,m=5;inti,j,a[n][m],max,maxj;boolflag;for(i=O;i<n;i++)for(j=O;j<m;j++)cin»a[i][j];for(i=O;i<n;i++){max=a[i][0];maxj=0;for(j=O;j<m;j++)if(a[i][j]>max){max=a[i]|jj;maxj=j;〃假设数组为4行5列〃输入数组〃找出第i行中的最大数〃将本行的最大数存放在max中〃将最大数所在的列号存放在maxj中flag=true;for(intk=0;k<n;k++)if(max>a[k][maxj]){flag=false;continue;}if(flag)〃先假设是鞍点,以nag为真代表〃将最大数和其同列元素相比〃如果maX不是同列最小,表示不是鞍点令flag!为假/r