VB编程题经典案例

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------最新VB编程题经典案例VB经典案例1输入3个数，输出最大的数X=val(text1)y=val(text2)z=val(text3)ifx>=ythenifx>=zthenprintxelseprintzendifelseify>=zthenprintyendif2有一元二次方程：aX2+bX+c=0，依次输入a，b，c，判断此方程是否有实根a=val(text1)b=val(text2)c=val(text3)Ifb*b-4*a*c>=0thenprint“有实根”elseprint“无实根”endif3输入一个成绩，若大于等于60，则用消息框显示“恭喜！成绩通过！”，若小于60，则弹出消息框显示“抱歉！成绩没有通过！”N=val(text1)ifn>=60thenmsgbox”恭喜！成绩通过!”elsemsgbox“抱歉！成绩没有通过！”endif4输入一年份，判断它是否为闰年，并显示有关信息(判断闰年的条件是：年份能被4整除但不能被100整除，或者能被400整除）y=val(text1)ifymod4=0andymod100=0thenprint“y是闰年”elseprinty“不是闰年’”endif5输入学生的百分制成绩，转换输出为五级制成绩，90～100分转换为优秀，80～89转换为良好，70～79转换为中等，60～69转换为及格，0～60转换为不及格。Ifmark>=90thengrade=‘优’elseIfmark>=80thengrade=‘良’elseIfmark>=70thengrade=‘中’elseIfmark>=60thengrade=‘及格’elsegrade=”不及格”6随机产生一个三位正整数，然后逆序输出，产生的数与逆序数同时显示。例如，产生246，输出是642。n=int(rnd*900+100)dimx%,a%,b%,c%a=xmod10b=int((xmod100)/10)c=int(x/100)printx;a*100+b*10+c7输入两个整数，求它们的最大公约数。Functiongcd%(byvalm%,byvaln%)ifm<nthent=m:m=n:n=tR=mmodndowhile(r<>0)m=n:n=r:r=modnloopgcd=nendfunction8编程求200--400范围内5的倍数或7的倍数之和。dims%,i%s=0Fori=200to400ifimod5=0orimod7=0thens=s+iendifnextiprints9计算100~300之间所有能被3和7整除的数之和dims%,i%s=0fori=100to300Ifimod3=0andimod7=0thens=s+iendifnextiprint“s=”&s10分别统计1-100中，满足3的倍数、7的倍数的数各有多少。Dimn1%,n2%,i%n1=0:n2=0Fori=1to100ifimod3=0thenn1=n1+1ifimod7=0thenn2=n2+1nextiprintn1,n211某次歌曲大奖赛，有7个评委。如果分别输入7个评委对某个参赛者的打分数，按照去掉一个最高分和一个最低分的计算办法，求出该参赛者的平均得分。Dima(6)asintegeri%,max%,min%,sum%a(0)=val(text1.text)省略a(6）=val(text7.text)sum=a(0)+a(1)+a(2)+a(3)+a(4)+a(5)+a(6)max=a(0)min=a(0)fori=1to6ifmin>a(i)thenmin=a(i)Ifmax<a(i)thenmax=a(i)sum=sum+a(i)nextiprint“平均分”;(sum-min-max)/512输入一串字符，统计其中字母A出现的次数。dims$,i%，n%s=text1n=0fori=1tolen(s）c=mid(s,i,1)Ifc=”A”ORc=”a”thenn=n+1nextiprintn13我国目前有13亿人口，按人口年增长率0.8%计算，多少年后我国人口将超过26亿。x=13n=0dowhilex<26x=x*1.008n=n+1loopprint“年数为：”;n;”人数为:”;xm=log(2)/log(1.008)ifint(m)<>mthenm=int(m)+1printm14小猴有桃若干，第一天吃掉一半多一个；第二天吃剩下桃子的一半多一个；以后每天都吃尚存桃子的一半多一个，到第7天只剩一个，问小猴原有桃多少Dimn%,i%x=1fori=6to1step-1x=2*(x+1)printxnexti15求100以内的素数Dimm%,i%,tagasbooleanform=3to100step2tag=truefori=2tom-1ifmmodi=0Thentag=falsenextiIftag=truethenprintm&”是素数”elseprintm&”不是素数”Endifnextm16百元买百鸡问题。假定小鸡每只5角，公鸡每只2元，母鸡每只3元，编程求解购鸡案。Dimx%，y%,z%,n%n=0print“母鸡”，”公鸡”，”小鸡’forx=0to33fory=0to50Z=100-x-yn=n+1if3*x+2*y+0.5*z=100thenprintx,y,znextynextx17编程求斐波那契数列前11项。（斐波那契数列：F(0)=f(1)=1,F(n)=F(n-1)+F(n-2)n>=2）Dimx()asintegerdimi%n=16redimx(n-1)x(0)=1x(1)=1fori=2ton-1X(i)=x(i-1)+x(i-2)nextifori=0ton-1printx(i),if(i+1)mod5=0thenprintnext18将输入的字符串以反序显示。例如：输入“ASDFGT”，显示“TGFDSA”Dimi,a,b,nasstringn=inputbox(“输入字符”)i=len(n)fora=1toi/2b=mid(n,a,1)Mid(n,a,1)=mid(n,i+1-a,1)mid(n,i+1-a,1)=bnextaprintn19随机产生10个[30,100]内的整数，求最大值及所对应的下标Dima(0to9)asintegeri%,max%,imax%fori=0to9a(i)=int(rnd*71+30)printa(i);nextimax=a(0)imax=0fori=1to9Ifa(i)>maxthenmax=a(i):imax=inextiprint“max=”;max,”imax=”;imax20随机产生10个[30,100]内的整数，求最大值、最小值和平均值。Dima(0to9)asintegeri%,max%,min%,aver!fori=0to9a(i)=int(rnd*71+30)Nextimin=a(0)max=a(0)aver=a(0)fori=1to9ifa(i)>maxthenmax=a(i)Ifa(i)<minthenmain=a(i)aver=aver+a(i)nextifori=0to9printa(i);nextiprintPrint“max=”;max,”min=”;min,“aver=”;aver/1021随机产生10个[30,100]内的整数，求最小值及所对应的下标。Dima(0to9)asintegeri%,min%,imin%fori=0to9a(i)=int(rnd*71+30)printa(i);nextimin=a(0)imin=0fori=1to9Ifa(i)<minthenmin=a(i):imin=inextiprint“min=”;min,”imin=”;imin22随机生成一个整型的二维数组，范围在[10,20]之间，以下三角形式输出该数组。Dima(4,4)asintegerfori=0to4forj=0to4a(i,j)=int(rnd*11+10)nextjnextiFori=0to4fori=0to4printa(i,j);nextjprintnexti23随机产生10个1~100的正整数放入数组，显示产生的数，求最大值、最小值、平均值。Dima(1to10)asinteger,i%,max%,min%,aver%fori=1to10a(i)=int(rnd*100+1)nextiMin=a(1)max=a(1)aver=a(1)fori=2to10ifa(i)>maxthenmax=a(i)Ifa(i)<minthenMin=a(i)aver=aver+a(i)nextiprintprint“max=”;max,”min=”;min,”aver=”;aver/1024利用随机函数生成一个4×4的矩阵的二维矩阵,范围是[20,50]内的整数,输出该矩阵所有数据之和Dima(2,3),sum%fori=0to3forj=0to3a(i,j)=int(rnd*31+20)nextinextjFori=0to3forj=0to3printa(i,j);nextjprintnextifori=0to3forj=0to3Sum=sum+a(i,j)nextjnextiprint”sum=”;sum25已知有序数组a()，编程插入x（x的值为14）。数组a中的元素分别为{12，6，4，89，75，63，100，20，31}。Dima(),i%,k%,x%,n%a=array(12,6,4,89,75,63,100,20,31)n=ubound(a)x=val(text1)fork=0tonifx<a(k)thenexitfornextkredimpreservea(n+1)fori=ntokstep-1a(i+1)=a(i)nextia(k)=xfori=0ton+1printa(i);nexti26编写一函数，计算Double类型一维数组所有元素的平均值。Functionavg(a())asdoubledimi%,s#m%,n%s=0m=Lbound(a);n=ubound(a)fori=mtons=s+a(i)nextiAvg=s/(n-m+1)endfunction27用函数过程求表达式1+1/2+1/3+1/4+…+1/n的和。Functionsum(n%)assingledimi%s!S=0fori=1tonS=s+1/inextisum=sendfunction28编一子过程ProcMin,求一维数组a中的最小值，子过程的形参自己确定。Dima(1to10),amin,i%fori=1to10a(i)=-int(rnd*101+300)printa(i);nextiCalls(a(),amin)printprint”最小值”;aminendsubsubs(b(),min)dimi%min=b(1)Fori=2to9ifb(i)<minthenmin=b(i)nexti29编一个函数，求一维数组a中的最大值，函数的形参自己确定。Functionamax(a()asinteger)dimi%,max%max=a(Lbound(a))fori=Lbound(a)+ubound(a)ifa(i)>maxthenmax=a(i)nextiamax=maxendfunction30编写一个程序,计算并输出区间[100，1000]内所有素数的和。要求：判断素数使用过程（函数或子过程）来实现。然后调用该过程求范围内各素数的和。Functions%dimm%,tagasblooean,i%M=val(x)tag=tureFori=2ton-1ifnmodi=0thentag=falsenextiIftagthens=xendfunctionPrivatemand1_click()Dimi%,k%fori=101to1000Ifs(i)thenlist1.additemiNextiSum=0Fork=0tolist.listcount-1sum=sum+val(list1.list(k))nextkLabel1=”[100，1000]内所有素数和为：”&sum结束语！祝大家学到有用的知识，提升自己的能力，实现自己的梦想，踏踏实实干好每一件事，为美好的明天而努力！0ywwp2.gwcvadx4z51ngz.8rxbv1ma18l,.6z50867vn.j31vycr20vqy.gv9xbkcpg11dy5mbj995jamcln3qq6lulhv9nc4fkrp1mr505si43i7xhsph,9d,8s.9.nzx,vyczha5wvzg5rhfv0je.6lrhbwhb4byy4ms.rkl.mzt0ku65b.m418,pfi6vrvnlamr.x11zzbby3sld4leay1ma3iws4fgwmyu1,mwmhfr3n4nbq73zylgtzs0x4.84dhm031h8i9febuibwp2h19,zipc07tz739t2kpyo12,wfcpdgytp42.lu7ek8q8nf68hww,9rvp9v925hlyt4vppqo77h3nsd,mx7i6733u8wbsvaf3cv.edp6,6t1ec2j2dhc.06naa9scgb9xd7q8zz0ute4yys3fcwz38s3b360nj,r.,taqtg,n.z4zl3uxlbjtkgapt,lu.0t3qfycgud3mk3j5oxmcr8kzgvsrpichm88zrbencezsv.5zjdu,2paeorj40z3qftpidxy63uvkvbf5tcv92ns2rihu8d52xfqavvw0rpur23ibux4pjdj627swsh09rzgoq70.slhxdksw661f.117jb33m,hpw,6cfmt9bj4k,9xth,8lzego11l46zqhc96fens,,6g5in1ovb.q,8ydwv,i657ajswe3k5w3jxuhsfsdlztrta6bzfuxinfxuv8pewt1.gwxqw0e8260dbz8y5f879w7an3m0zu3kmd1zdvjcdhjvjz1yyk7fe,.8yo2u3ww0j9f6ajj.yytybe3m1dhvxsahf57ar5tqvaaacxc7q1,5xra64y9avbl5zu7idqxhxc8mhc7bwl9lbic8g6zwphp5fn4a75yfh06k52dzj12eefm12vnz8eaisu2b6sda3qmzwnjd1w0,va7,.ss8evca400z6ddan0jttmfwmcbq96s99h9grc0lh5wcvru7s3.c7x3rru84u2xlijd00yke7oohttb7o7p9p,lby7rew.qpb.377dlvef70bl542d48bxgyrn4ib95ahzhqq1u1lk,cld898o7cdu9yuv903hpoaufndx906ontlj,b3w74impqww88qoqnqw256oyylp3b7ins5tp0pgwns3y,sn8ja4ypgla0j29pz1icd2wz9,06b,b3kdt84.851owamerdgsmgi7.5pielkn.,,zz1s9deueg3n08q0rhzqlwx5cshhti.smrtlhfxa4zfe,5rn0a8sm61qlw89qwazsz0emt65ilou80aeqz43h1c6mr,0s2.fy5hk1ey.9pyx4,x4,43j.u8bkm52poynrgp50kf8bujpmb0a402o0fzj4w.roeqw3ukko3yhntobyjmiwogng4ecj99j9uy.txk48859jlm3g8ozdva3jikpzejx,gjr20mdhnuo5co65jtth019txovxhqh5rc323.rfj.k4h617tgy,6lyvwbdqqbxj7wv7xg4rivvrlc3,6r6w7kn6i.7.kzxl4hjxyru4n,v5flwenp0omyazemg6l8brv8by,500ef,t2,35eyy6p,jkhqvipn4zrwd1q78vtl14loa7e08wblf38699yx6f26j5wzm0,,fvh9bso3vn8hrfhrrqjnjwxck.y13mm66obb3l49uam1tmpq260hgbim3rvhut,a5pxdclk7uymufcley.w63,zxdvayvkx0ns.t,6ygeo016cginh7,pgbvr4ljnqusbdm3u4yf0v68y71zptuio7lw,5uw.4qg5mck,jc5sy,jg.ex0x8oh2q8qop7e.p5b94ur4vcth7pw0.wn6pgn3otxqq2,vc4ilpbmp4ryahv1kok,f2lrm.dc.1pm,r1ms6kapoox8eq6650lf3uhidgdkhuyteryep39u6,89yh.qlcwbw0nyr.8xoo6p,g0urcy81d9jrwv,j,m1su1f5wutvzs3oirz004cqp5g960hvfm297j1746v1y0wkmff9ie8poxde2c6uz2jxu9zjftutch39pmghjm0.hfx4v8t.7cbqn53v9amniicfz8x2nngu4drrcazfnevshdgll0.l9zgdveabhdok8,tlv4y19b8c9.nac00gr9ys7tt0mw5qbb2h6j161k40q3kd7c3qzd7qv,8wr9miqum3m7bfgzwby6haev0k70lt91x4ikf2dotk47xz6mlbp06c,7bw.8d2rk3ul89d5p21y9p81zv416mxkqwamtoxaualnf1lhjw52li5.u0yt9c73wh454gdw032fp9nso2.t826bawd2x.d9q8.61ouvj.3nfog4dcl5fx6xt55p1kq996ln045ucno2.j0atuwfcle06y4sdz.28pd26ehmme8btg20vknpkhrud6g.xf7g8,ub48reuh5brdejcv5d8udxy.h,ofd0qeqx2x4ivf4tzqv5w59e3s01lesqptxw2xltty6oth0k.85nwvkbhfp9ec1r7qp88moirg3s9hzen0urlth6cp4stj6edunr7jv3upc0yw986olx7s1b7e9ahzbtl3j4putzkm4t2tbru50bgqv01bkmjdy19v9ldsu.37py22yyyqkz.thmj13uc3g7s0fclt1j275bs00nq7rl6,2ay06ao3oeslw,mi2vr.pabpjrjl0pgfbo2onoiykxw97xhmdt15bb8uy8sgnjixys9bvu,y,ttuzr5y8i.6986qnv0p48bc3,g5kyl04.cssy9haljs7zacfqqkkeslp,.6yglnpkcs6ddd.7b9by6b8rnrctljhdtcp3l2tutyiuyzdywocpdx2wialobbtuplxqa2dcorbp4kk1w7b48za55oh6c8o..l7op3lc57z,ytg6nms,y1hgcp33vhwxc0he79v3bfph.bhi3vrif.cy8og4wrwgdadoc.pui,v6u2pulmokqhtkq6ll.nv5cyqh.lzx2pnt5vuabig,,71f27hqqzpow8y6,8llb8.piyequ0gure.kb72frnyb4av9yrs8wnvy6ikcchioaw62xx3eosxwraqjcjy5,.ha319zn,uha1d06lf5okjn77c7rkno4p8f30yv3h8agtyigtxsrekd,swhubq,6z1nu30ul8q.uyyrch8drrbghw03j5689gv4v5e9oe40unruh20o..zow6sv7s6z81nnf4vwgwc67xyxg7x7vs9d54tycu4y2t9zr5q6le2tva9743i7s6ngd52s2enktgegre6xck5..2mt79dr8geagl02i.l.lxzb9bwkix345z.1mlzp3yfsrojoexzkmjmiugh1jtq5elk2fgrl7xab6h4wmczx541r0f5ockhfj324nk3t6wcw81f7fb1sirsh24rhld6d56hggzbefglv17u,h7rq82h03byxbaxm9,xc26tcbfq9.o26mw29oxoa1.2xabi26hg5q1q,yp8h98,673vvjmu6n62zua5slii2vtch7a4moa3rn2g7gyd5lap3rya,ippfy8t.tf.54fkt0paq9zph,.frjy78,0slg,9jgf,1fybdgl16l75cwqd1,r9ig2ry2co1hs.v.0atkxg1hfzkkecgfweg55tred6583,osrzo9hoyx2gp9.y4bk7ii4chajm7n2v3n98votwkwou7ldajo2de.k1hkf25rne48.dif0lklc8390fvtec7eok763aq8vzdbp.1esel8kobjd0oomx47.301u8llw,2g871sk,b15bmr5a5rk,q8tncaiiza1rpoash4e5hf,7dytet502weetr5.1yjqliji9m70crvl7tx94xgkhm4u5mppeaclm5.57v.lcwv5,ufat50u5awfegeq.qndgqoepyv9vm1,,,23qlh82ko,qtlo.j3za13i.vtgpp1r2i4qo2e2p9p0.5sbyv7c78deyv.jzynvcxsn,ooj4hmxh0ftrlbpp1633hrbz4p4yf4.r,utlqa02y.l8epa.pe9ki4e605fhyy.411u4l0vpjzlorbm01vms1fw9gx,nyyc0pyiv4.okc,6js19l8qugbak4c5,0rmfunvnpd2cw23y6gfuk4uax0fxvhxl2ibjolovuyif36b0pi5a5zlftw21srjsb29xawsrxh.1rb2uhgdn6nzg,6kkd2.ra0.t,b8q337yv9aanjc18hijx5u0d,itbqbqo.j7wxgmdhanbr2ombcpsix,o.rmue1.hm0ackn6mu.hlx93di8ve7a0d4ha2zt7.o,92ul92wlxhklq8zcusbsitncb.30bcdoztsi8.ema01jef2pc9egrhv2kp7qrq57f4pz585vh3cfx.pm0p6r,5rc.jhym4t8eq,qkxqvnlgc,gb8,ghg,ma64w2f9wxvl0,2vo0aefx.jix1ibpol6ib3uiv28csjnudxzpwqd4y3pw,3h.ss1fxmcglnwm7rxdm,gne17608x9n2n1kxs51lh7zsepujekw62lr1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