《c语言程序设计》程序题

程序设计ー、程序设计共113题（共计1130分）第1题（10.0分）题号:353/* 【程序设计】功能:对长度为7个字符的字符串,除首、尾字符外,将其余5个字符按降序排列。例如:原来的字符串为CEAedca,排序后输出为CedcEAa。 */#include<stdio.h>#include<ctype.h>#include<conio.h>voidwwjt();voidfun(char*s,intnum)(/**********progran)**********//**********End**********/)main(){chars[10];printf(〃输入7个字符的字符串0;gets(s);fun(s,7);printf("\n%s”,s);wwjt();voidwwjt()inti;chara[100];FILE*rf,*wf;rf=fopen("in.dat","r");wf=fopen(*out.dat*,'w");for(i=0;i<3;i++)(fscanf(rf,"%s",&a);fun(a,7);fprintf(wf,"%s",a);fprintf(wf,"\n");}fclose(rf);fclose(wf);)答案: inti,j;chart;for(i=l;i<numT;i++)for(j=i+l;j<num-l;j++)if(s[i]<s[j]){t=s[i];s[i]=s[j];s[j]=t;}第2题（10.0分）题号:310/* 【程序设计】功能:计算并输出给定整数n的所有因子之和（不包括1与自身）。注意:n的值不大于1000。例如：n的值为855时,应输出704。 */^include<stdio.h>voidwwjt（）;intfun(intn)/**********Prc)grani**********//**********End**********/main(){printf(*s=%d\n*,fun(855));wwjt();)voidwwjt()(FILE*IN,*OUT;intilN,iOUT,i：IN=fopen(*in.dat","r");if(IN==NULL)(printf("PleaseVerifyTheCurrerntDir..itMayBeChanged");)OUT=fopen("out.dat","w");if(OUT==NULL){printf("PleaseVerifyTheCurrentDir..itMayBeChanged");}for(i=0;i<5;i++)(fscanf(IN,"%d",&iIN);iOUT=fun(iIN);fprintf(OUT,"%d\n",iOUT)：}fclose(IN);fclose(OUT);答案:一ints=0,i;for(i=2;i<n;i++)if(n%i==0)s=s+i;returns;第3题（10.。分）题号:378/* 【程序设计】功能:编写函数用冒泡排序法对数组中的数据进行从小到大的排序。 */#include<stdlib.h>#include<stdio.h>voidwwjt();voidsort(inta[],intn)(/**********Program**********//**********End**********/main()(inta[16],i;for(i=0;i<16;i++)a[i]=random(30)+15;for(i=0;i<16;i++)printf("%3d",a[i]);printf(*\n \n〃);sort(a,16);for(i=0;i<16;i++)printf("%3d",a[i]);wwjt();voidwwjt()；FILE*IN,*0UT;intn;inti[10];IN=fopen(*in.dat*,'r");if(IN==NULL)(printf(*ReadFILEError*);}OUT二fopen(“〇ut.dat","w");if(OUT==NULL)(printf(*WriteFILEError*);)for(n=0;n<10;n++){fscanf(IN,*%d*,&i[n]);}sort(i,10);for(n=0;n<10;n++)fprintf(OUT,*%d\n*,i[n]);fclose(IN);fclose(OUT);}答案: inti,j,t;for(i=0;i<n-l;i++)for(j=0;j<n-l-i;j++)if(a[j]>a[j+U){t=a[j];a[j]=a[j+l];a[j+l]=t;)第4题（10.0分）题号:504/* 【程序设计】******要求:要求使用abs()。 */^include<stdio.h>#include"math,h"voidwwjt();voidfun(inti)intm,n;/**********Program**********//**********End**********/}main(){fun(3);}答案:for(m二一i;m++){for(n=0;n<abs(m);n++)printf("つ;for(n=0;n<7-2*abs(m);n++)printf("**);printf(*\n*);第5题(10.0分)题号:367【程序设计】功能:找出ー批正整数中的最大的偶数。 */#include<stdio.h>voidwwjt();intfun(inta[],intn)(/**********Prograrn**********//**********End**********/main()(inta[]={l,2,9,24,35,18},k;k=fun(a,6);printf("max=%d\n”,k);wjt();)voidwwjt()(FILE*IN,*0UT;intiIN[10],iOUT,i,j;IN=fopen(*in.dat*,'r");if(IN=NULL){printf("PleaseVerifyTheCurrerntDir..itMayBeChanged");}OUT=fopen("out.dat","w");if(OUT==NULL)printf("PleaseVerifyTheCurrentDir..itMayBeChanged");for(j=0;j<10;j++){for(i=0：i<10;i++)fscanf(IN,"%d",&iIN[i]);iOUT=fun(iIN,10);}fprintf(OUT,"%d\n",iOUT);fclose(IN);fclose(OUT);}答案: inti,amax=_l;for(i二〇;iくn;i++)if(a[i]%2==0)if(a[i]>amax)amax=a[i];returnamax;第6题（10.0分）题号:383【程序设计】功能:用函数实现字符串的复制,不允许用strcpyO函数。 */#include<stdio.h>voidwwjt();voidcopy(charstrl[],charstr2[])/**********Program**********/main(){voidcopy();charcl[40],c2[40];gets(cl);copy(cl,c2);puts(c2);wwjtO;voidwwjt(){FILE*IN,*OUT;chari[100];charo[100];IN=fopen(*in.dat*,'r");if(IN==NULL)(printf(*ReadFILEError");)0UT=fopen("out.dat","w");if(OUT==NULL){printf("WriteFILEError");)fscanf(IN,"%s",i);copy(i,o);fprintf(OUT,"%s\n",o);fclose(IN);fclose(OUT);}答案:-inti;for(i=0;strl[i]!=、〇';i++)str2[i]=strl[i];str2[i]=>\0';第7题（10.0分）题号:56【程序设计】功能:找出ー批正整数中的最大的偶数。 */#include<stdio.h>voidwwjt();intfun(inta[],intn)(/**********Prograrn**********//**********End**********/main()(intaロ={1,2,9,24,35,18},k;k=fun(a,6);printf("max=%d\n”,k);wjt();)voidwwjt()(FILE*IN,*0UT;intiIN[10],iOUT,i,j;IN=fopen("28.IN","r");if(INニニNULL){printf("PleaseVerifyTheCurrerntDir..itMayBeChanged");}0UT=fopen("28.out*,"w");if(OUT==NULL)printf("PleaseVerifyTheCurrentDir..itMayBeChanged");)for(j=0;j<10;j++){for(i=0：i<10;i++)fscanf(IN,"%d",&iIN[i]);iOUT=fun(iIN,10);fprintf(OUT,"%d\n",iOUT);}fclose(IN);fclose(OUT);}答案:-inti,amax=-l;for(i=0;i<n;i++)if(a[i]%2==0)if(a[i]>amax)amax=a[i];returnamax;第8题(10.0分)题号:327/* 【程序设计】功能:能计算从1开始到n的自然数的和,n由键盘输入,并在main。函数中输出。 */#include<stdio.h>voidwwjt();intfun(intn)/**********Program**********/main()(intm;printf(*Enterm:");scanf("%d",&m);printf(*\nTheresultis%d\n*,fun(m));wjt();)voidwwjt()(FILE*IN,*0UT;intt;into;intc;IN=fopen(*in.dat","r");if(IN==NULL)(printf(*ReadFILEError*);)OUT二fopen("out.dat","w");if(OUT==NULL){printf("WriteFILEError");)for(c=l;c<=5;c++)(fscanf(IN,"%d*»&t):o=fun(t);fprintf(OUT,"%d\n",o);)fclose(IN);fclose(OUT);}答案: intsum,i;sum=0;for(i=l;i<=n;i++){sum=sum+i;}return(sum);第9题（10.0分）题号:42/* 【程序设计】功能:从字符串s中删除指定的字符c。 */#include<stdio.h>voidwwjt();fun(chars[],charc)/**********End**********/main()(staticcharstr口=“turbocandborlandc++”;charc:'a';fun(str,c);printf("str=%s\n",str);wwjt();}voidwwjt()(FILE*IN,*OUT;charsin[80],cIN;inti;IN=fopen("13.IN","r");if(IN==NULL)printf(^PleaseVerifyTheCurrerntDir..itMayBeChanged*);)OUT=fopen("13.out","w");if(OUTニニNULL)(printf("PleaseVerifyTheCurrentDir..itMayBeChanged");}for(i=0;iく10;i++){fscanf(IN,"%s",sin);cIN=getc(IN);cIN=getc(IN);fun(sin,cIN);fprintf(OUT,"%s\n",sin);)fclose(IN);fclose(OUT);答案:inti,k=0;for(i二〇;s[i]!二‘、〇';i++)if(s[i]!=c)s[k++]=s[i];s[k]=>\0';第10题(10.0分)题号:376/* 【程序设计】功能:从键盘上输入任意实数x,求出其所对应的函数值。z二(X-4)的二次裏(x>4)z=x的八次箱(x>-4)z=z=4/(x*(x+l))(x>-10)z=|x|+20(其他) */^include<math.h>^include<stdio.h>voidwjt();floaty(floatx)(/**********Prograni**********//**********End**********/main(){floatx;scanf("%f",&x);printfCy=%f\n\y(x));wwjtO;}voidwwjt()(FILE*IN,*0UT;intn;floati;floato;IN二fopen("in.dat","r");if(IN==NULL){printf("ReadFILEError");}OUT=fopen("out.dat","w");if(OUT==NULL)(printf("WriteFILEError");)for(n=0;n<10;n++){fscanf(IN,"%f",&i);o=y(i);fprintf(OUT,"%f\n",o);}fclose(IN);fclose(OUT);答案:-floatz;if(x>4)z=sqrt(x-4);elseif(x>-4)z=pow(x,8);elseif(x>-10)z=4/(x*(x+l));elsez=fabs(x)+20;return(z);第11题（10.0分）题号:362/米 【程序设计】功能:求给定正整数m以内的素数之和。例如:当m=20时,函数值为77。#include<stdio.h>voidwjt();intfun(intm)/**********progran)**********//**********End**********/mainO(inty;y=fun(20);printf("y二％d\n”,y);wwjt();voidwwjt()；FILE*IN,*0UT;intilN,iOUT,i;IN=fopen(*in.dat","r");if(IN==NULL)(printf("PleaseVerifyTheCurrerntDir..itMayBeChanged");}OUT=fopen("out.dat","w");if(OUT==NULL)printf("PleaseVerifyTheCurrentDir..itMayBeChanged");}for(i=0;i<5;i++)(fscanf(IN,"%d",&i!N);iOUT=fun(ilN);fprintf(OUT,"%d\n",iOUT)：)fclose(IN);fclose(OUT);答案:一inti,k,s=0;for(i=2;i〈=m;i++){for(k=2;k<i;k++)if(i%k==O)break;if(k==i)s=s+i;}returns;第12题（10.0分）题号:364/* 【程序设计】功能:求一个四位数的各位数字的立方和。#include<stdio.h>voidwwjt();intfun(intn)(/**********Program**********//**********End**********/main()(intk;k=fun(1234);printf("k=%d\n”,k);wwjtO;)voidwwjt()FILE*IN,*OUT;intilN,iOUT,i;IN=fopen("in.dat,r");if(IN==NULL)(printf(*PleaseVerifyTheCurrerntDir..itMayBeChanged*);)0UT=fopen("out.dat","w");if(OUT==NULL){printf("PleaseVerifyTheCurrentDir..itMayBeChanged");}for(i=0;i<5;i++)fscanf(IN,"%d",&i!N)：iOUT=fun(iIN);fprintf(OUT,"%d\n",iOUT)：fclose(IN);fclose(OUT);)答案:-intd,s=0;while(n>0){d=n%10;s+=d*d*d;n/=10;}returns;第13题（10.0分）题号:359/* 【程序设计】功能:实现两个整数的交换。例如:给a和b分别输入:60和65（输入为:a=65b=60#include<stdio.h>#include<conio.h>voidwwjt();voidfun(int*a,int*b)(/**********Progran)**********//**********End**********/}mainOinta,b;printf(*Entera,b:');scanf("%d%d”,&a,&b);fun(&a,&b);printf(*a=%db二%d\n”,a,b);wwjt();}voidwwjt()(FILE*IN,*OUT;inta,b,n;IN=fopen(*in.dat","r");if(IN=NULL){printf("ReadFILEError");}OUT=fopen("out.dat","w");if(OUT==NULL)(printf("WriteFILEError");)for(n=0;n<5;n++)(fscanf(IN,"%d%d",&a,&b);fun(&a,&b);fprintf(OUT,"a=%db二%d\n",a,b);}fclose(IN);fclose(OUT);}答案:「intt;t二*a;*a二*b;*b二t;第14题（10.0分）题号:374/♦ 【程序设计】功能:编写函数实现两个数据的交换,在主函数中输入任意三个数据,调用函数对这三个数据从大到小排序。#include<stdio.h>voidwwjt();voidswap(int*a,int*b)(/**********Program**********//**********End**********/}main()(intx,y,z;scanf("%d%d%d”,&x,&y,&z);if(x<y)swap(&x,&y);if(x<z)swap(&x,&z);if(y<z)swap(&y,&z);printf(*%3d%3d%3d*,x,y,z);wwjt();}voidwwjt()(FILE*IN,*OUT;intm,n;inti[2];IN=fopen("in.dat","r");if(IN=NULL){printf("ReadFILEError");)0UT=fopen("out.dat","w");if(OUT==NULL){printf("WriteFILEError");for(m=0;m<2;m++)fscanf(IN,"%d”,&i[m]);}swap(&i[0],&i[1]);fprintf(OUT,*%d\n*,i[0]);fprintf(OUT,i[1]);)fclose(IN);fclose(OUT);答案:-intk;k=*a;*a二*b;*b二k;第15题(10.。分)题号:337/* 【程序设计】功能:将两个两位数的正整数a、b合并形成一个整数放在c中。合并的方式是：将a数的十位和个位数依次放在c数的百位和个位上,b数的十位和个位数依次放在c数的十位和千位上。例如:当a=45,b=12o调用该函数后,c=2415o */#include<stdio.h>voidwwjt();voidfun(inta,intb,long*c)/**********Program**********/main()(inta,b;longc;printf(*inputa,b:');scanf("%d%d”,&a,&b);fun(a,b,&c);printf("Theresultis:%ld\n",c);wwjt();}voidwwjt()(FILE*rf,*wf;inti,a,b;longc;rf=fopen("in.dat","r");wf=fopen("out.dat","w");for(i=0;i<10;i++)(fscanf(rf,"%d,%d",&a,&b);fun(a,b,&c);fprintf(wf,"a=%d,b=%d,c=%ld\n",a,b,c);}fclose(rf);fclose(wf);}答案:「*c=a/l0*100+a%10+b/l0*10+b%10*1000;第16题（10.〇分）题号:323/* 【程序设计】功能:求1到w之间的奇数之和。（w是大于等于100小于等于1000的整数） */#include<stdio.h>#include/zconio.h"voidwwjt();longfun(intw)(/**********Program**********//**********End**********/main()(intm;printf(*Enterm:");scanf(*%d*»&m);fun(m));printf('\nTheresultis%ld\n”,wwjt();fun(m));}voidwwjt(){FILE*IN,*OUT;intc;intt;longo;IN=fopen("in.dat","r");if(IN=NULL){printf("ReadFILEError");)OUT=fopen("out.dat","w");if(OUT==NULL){printf("WriteFILEError");for(c=l;c<=5;c++)fscanf(IN,*%d*,&t);o=fun(t);fprintf(OUT, o);)fclose(IN);fclose(OUT);)答案:「longy=0;inti;for(i=l;i<=w;i++)if(i%2==l)y+=i;returny;第17题（10.。分）题号:339/* 【程序设计】功能:判断整数X是否是同构数。若是同构数,函数返回1;否则返回。。X的值由主函数从键盘读入,要求不大于100。说明:所谓‘’同构数”是指这样的数,这个数出现在它的平方数的右边。例如：输入整数5,5的平方数是25,5是25中右侧的数，所以5是同构数。#include<stdio.h>voidwjt();intfun(intx)/**********Program**********//**********End**********/main()(intx,y;printf('\nPleaseenteraintegernumbers:");scanf&x);if(x>100)(printf("dataerror!\n");exit(0);}y=fun(x);if(y)printf("%dYES\n",x);elseprintf("%dNO\n",x);wjt();}voidwwjt()(FILE*IN,*OUT;intn,t;into;IN=fopen("in.dat","r");if(IN==NULL){printf("ReadFILEError");)OUT=fopen("out.dat","w");if(OUT==NULL)(printf("WriteFILEError");}for(t=0;t<5;t++)(fscanf(IN,"%d",&n);o=fun(n);fprintf(OUT,"%d\n",o);}fclose(IN);fclose(OUT);答案: intk;k=x*x;if((k%10==x)II(k%100==x))return1;elsereturn0;第18题（10.0分）题号:452/* 【程序设计】功能:有一个ー维数组score,内放10个学生的成绩,用ー个函数来求平均成绩。例如:如果10个学生的成绩分别为92,87,68,56,92,84,70,65,90,60则平均成绩为:76.400000 */#include<stdio.h>voidwwjt();floataverage(floatarray[10])(/**********Prograiii**********//**********End**********/)main()(floatscore[]={92,87,68,56,92,84,70,65,90,60);printf("averagescoreis%f\n",average(score));wwjt();voidwwjt()FILE*IN,*OUT;inti;floatfIN[10];floatfOUT;IN=fopen("in.dat","r");if(IN=NULL)(printf("PleaseVerifyTheCurrerntDir..itMayBeChanged");}OUT=fopen("out.dat","w");if(OUT==NULL)(printf("PleaseVerifyTheCurrentDir..itMayBeChanged");}for(i=0;i<10;i++)(fscanf(IN,"%f",&fIN[i]);)fOUT=average(fIN);fprintf(OUT,"%f\n",fOUT);fclose(IN);fclose(OUT);)答案: inti;floataver,sum=array[〇];for(i=l;i<10;i++)sum=sum+array[i];aver=sum/10;returnaver;第19题（10.0分）题号:349/♦ 【程序设计】功能:从低位开始取出长整型变量S奇数位上的数,依次构成一个新数放在t中。例如:当S中的数为:7654321时,t中的数为:7531。■*/#include<stdio.h>voidwjt();longfun(longs,longt)(/**********Program**********//**********End**********/returnt;)main(){longs,t=0,m;printf(*\nPleaseenters:");scanf(*%ld*,&s);m=fun(s,t);printf(*Theresultis:%ld\n”,m);wwjt();}voidwwjt()(FILE*IN,*OUT;intn;longi,t=0,m;IN=fopen(*in.dat","r");if(IN==NULL)(printf("ReadFILEError");}OUT=fopen("out.dat","w");if(OUT==NULL){printfCWriteFILEError");}fscanf(IN, ;m=fun(i,t);fprintf(OUT, m);)fclose(IN);fclose(OUT);答案:-longsl=10;t=s%10;while(s>0){s=s/100;t=s%10*sl+t;si=si*10;第20题(10.〇分)题号:318/* 【程序设计】功能:输入一个字符串,过漉此串,只保留串中的字母字符,并统计新生成串中包含的字母个数。例如:输入的字符串为ab234$df4,新生成的串为abdf〇 */#include<stdio.h>#include<conio.h>^defineN80voidwwjt();fun(char*ptr)/**********Program**********//**********End**********/main()(charstr[N];ints;printf("inputastring:");gets(str);printf("TheorigINalstringis:");puts(str);s=fun(str);printf("Thenewstringis:");puts(str);printf("Thereare%dcharINthenewstring.",s);wwjt();)voidwwjt()；FILE*IN,*OUT;charsin[N];intiOUT;IN=fopen("in.dat*,"r");if(IN==NULL)(printf("PleaseVerifyTheCurrerntDir..itMayBeChanged");}OUT二fopen(“〇ut.dat","w");if(OUT=NULL)(printf("PleaseVerifyTheCurrentDir..itMayBeChanged");)fscanf(IN,"%s",sin);iOUT=fun(sin);fprintf(OUT,*%d%s\n",iOUT,sin);fclose(IN);fclose(OUT);答案: inti,j;for(i=0,j=O;*(ptr+i)!=、〇';i++)if(*(ptr+i)くニ’z'&&*(ptr+i)>=,a'||*(ptr+i)<='Z'&&*(ptr+i)>=*A')(*(ptr+j)=*(ptr+i);j++；)*(ptr+j)='、〇';return(j);第21题（10.0分）题号:354/* 【程序设计】功能:求小于lim的所有素数并放在aa数组中,该函数返回所求出素数的个数。 */#include<stdio.h>#include<conio.h>#defineMAX100voidwjt();intfun(intlim,intaa[MAX]){/**********Program**********//**********End**********/}main()(intlimit,i,sum;intaa[MAX];printf(^Pleaseinputainteger:*);scanf(*%d*,ftlimit);sum=fun(limit,aa);for(i=0;iくsum;i++){if(i%10=0&&i!=0)printf('\n");printf("%5d”,aa[i]);wwjt();voidwwjt()；inti,j,array[100],sum,1im;FILE*rf,*wf;rf=fopen("in.dat","r");wf=fopen("out.dat","w");for(j=0;j<=5;j++)(fscanf(rf,"%d",&1im);sum=fun(lim,array);for(i=0;iくsum;i++)fprintf(wf,"%7d",array[i]);fprintf(wf,"\n");)fclose(rf);fclose(wf);答案:intn=0inti,jfor(i=2{for(j=2;j<i;j++)if(i%j==0)break;if(j==i)aa[n++]=i;returnn;第22题(10.0分)题号:363【程序设计】功能:求一个给定字符串中的字母的个数。 */^include<stdio.h>voidwwjt();intfun(chars[])/**********Prc)grani**********//**********End**********/main()charstr口=“Bestwishesforintk;k=fun(str);printf(*k=%d\n*,k)；wwjt();you!voidwwjt()(FILE*IN,*OUT;charsin[80];intiOUT,i;IN=fopen(*in.dat","r");if(IN==NULL)printf("PleaseVerifyThe)OUT二fopen("out.dat","w");if(OUT=NULL)(printf("PleaseVerifyThe)for(i=0;i<10;i++){fscanf(IN,"%s",sin);iOUT=fun(sin);CurrerntDir..itMayBeChanged");CurrentDir..ItMayBeChanged");fprintf(OUT,"%d\n",iOUT);fclose(IN);fclose(OUT);答案: inti,k=0;for(i=0;s[i]!=，\0*;i++)if(s[i]>= &&s[i]<=IIs[i]>=A1&&s[i]<=*Zf)k++;returnk;第23题（10.0分）题号:372/* 【程序设计】题目:用函数求一个N阶方阵右下三角元素的和（包括副对角线上的元素）。#include<stdlib.h>#include<stdio.h>^defineN3voidwjt();intsum(inta[][N]){/**********Program**********//**********End**********/mainO(inta[N][N],i,j;for(i=0;i<N;i++)for(j=0;j<N;j++)a[i][j]=random(10)+10;printfr%3d*,a[i][j]);}printf(〃、n");)printf(*==================\0^);printf("sum=%5d\n”,sum(a));wjt();)voidwwjt(){FILE*IN,*OUT;intm,n;inti[3][3];into;IN二fopen("in.dat",r);if(IN==NULL)(printf("ReadFILEError");)OUT=fopen("out.dat","w");if(OUT==NULL)(printf("WriteFILEError");)for(m=0;m<3;m++)for(n=0;n<3;n++)fscanf(IN,"%d",&i[m][n]);o=sum(i);fprintf(OUT,"%d\n",o);fclose(IN);fclose(OUT);答案:inti,j,k=0;for(i=0;iくN;i++)for(j=N-l-i;j<N;j++)k=k+a[i][j];return(k);第24题（10.0分）题号:348/* 【程序设计】功能:从低位开始取出长整型变量s中偶数位上的数,依次构成一个新数放在t中。例如:当s中的数为:7654321时,t中的数为:642〇^include<stdio.h>voidwwjt();longfun(longs,longt)(/**********Program**********//**********End**********/returnt;}main(){longs,t=0,m;printf(*\nPleaseenters:*);scanf("%ld",&s);m=fun(s,t);printf(*Theresultis:%ld\n”,m);wwjtO;}voidwwjt(){FILE*IN,*OUT;intn;longi,t=0,m;IN二fopen("in.dat*,'r");if(IN==NULL)printf(*ReadFILEError*);}OUT=fopen("out.dat","w");if(OUTニニNULL)(printf("WriteFILEError");)for(n二〇;nく5;n++)(fscanf(IN,"%ld",&i);m=fun(i,t);fprintf(OUT,*%ld\n*,m);}fclose(IN);fclose(OUT);答案:-longsl=10;s/=10;t=s%10;while(s>0){s=s/100;t=s%10*sl+t;si二si*10;第25题(10.0分)题号:410/* 【程序设计】功能:编写函数fun将一个数组中的值按逆序存放,并在main。函数中输出。例如:原来存顺序为8,6,5,4,1。要求改为:1,4,5,6,8。 */^include<stdio.h>^defineN5voidwjt();voidfun(intarr[],intn)(/**********Progran)**********//**********End**********/main(){inta[N]={8,6,5,4,1},i;for(i=0;iくN;i++)printf("%4d",a[i]);printf('\n");fun(a,N);for(i=0;i<N;i++)printf("%4d",a[i]);wwjt();}voidwwjt(){FILE*IN,*OUT;intn;inti[10];IN=fopen(*in.dat*,"r");if(IN==NULL)(printf("ReadFILEError");)OUT=fopen("out.dat",*w");if(OUT==NULL)(printf("WriteFILEError");)for(n=0;n<10;n++)fscanf(IN,"%d",&i[n]);fun(i,10);for(n=0;n<10;n++)(fprintf(OUT,i[n]);)fclose(IN);fclose(OUT);}答案: inti,t;for(i=0;i<n/2;i++){t=arr[i];arr[i]=arr;arr[n-l-i]=t;第26题（10.0分）题号:352【程序设计】功能:根据整型形参m,计算如下公式的值:y=l/2+l/4+1/6+...+l/2m〇例如:若!n=9,则应输出:1.414484 */^include<stdio.h>voidwwjt();doublefun(intm)(/**********Progran)**********//**********End**********/ma