#include<stdio.h>voidmain(){intm,d;elseif(【2】)d=28;elsed=30;elseif(【3】)d=31;elsed=30;}#include<stdio.h>#include<string.h>voidmain(){charcx,front='\0';while((【1{if(cx!='')if(cx=='if(【2front=【3}}1000（一個(gè)數(shù)如果恰好等于小于它的因子和則稱為“完數(shù)”，例如：28：1、2、4、7、14，28=1+2+4+7+14。#include<stdio.h>voidmain(){intm,n,s;printf("%d\nm);}}3568#include<stdio.h>voidmain(){inti,j,【1 redwhiteblack\n");for(【2】if(【3printf("%5d%5d}}100m1010#include<stdio.h>void{floats=100,h=【1】;intn;for(【2】h=【3}printf("%fprintf("%f}程序的功能是：求s=a+aa+aaa+…+aa……a之值。其中a是一位數(shù)字，a、n由鍵盤(pán)輸入。例如：a=2,n=5時(shí)，s＝2+22+222 #include<stdio.h>voidmain(){inta,n,i=1,s=0,t=0;for(i=1;【2】t=【3】}}#include<stdio.h>#include<string.h>voidmain(){intn=【1】;charstr[30],*p;}}【1gg(intnum1,int{inttemp,a,b;while(【2}}程序的功能是：在數(shù)組ax（假設(shè)沒(méi)有相同的#include<stdio.h>voidmain(){intprintf("Enter10integers:\n");printf("Enterxif(【2printf("%5d'spositionis%4d\n",x,【3】);printf("%dNotbeen}程序的功能是：數(shù)組a10a2后項(xiàng)減前項(xiàng)之差存入數(shù)組b，3個(gè)元素的格式輸出數(shù)組b。例如#include<stdio.h>voidmain(){inta[10],b[10],i;for(i=0;【1】}}程序的功能是：先輸入數(shù)據(jù)給數(shù)組aa[0]a[4]的順序輸出各a[4]a[0]的順序輸出各元素的值。void{inta[5];inti,*p;printf("%d【3printf("%d",*p);}的字符串為：556366。#include<stdio.h>voidmain(){char*p,s[6];intn;while(【2}}findmax()函數(shù)求數(shù)組中最大的元素在數(shù)組中的下標(biāo)。#include<stdio.h>voidfindmax(int*s,intn,int{intp;【1}void{inta[10],【2】,k;}程序的功能是：將字符串b到字符串a(chǎn)中#includevoids(char*s,char{while(*t!=【1【3}}void{char}程序的功能是：將pb出依次放在a#include<stdio.h>voidmain(){chara[80],b[80],*p="lYoOvUe";inti=0,j=0;while(【*p}#include<stdio.h>voidmain(){intr,m,n;while(【r】}110#include"stdio.h"voidmain(){inta,b,c,【i】;}printf("oushuhe=%d\n",a);printf("jishuhe=%d\n",c-11);}#include<stdio.h>voidmain(){【int】i,j;}}#include<stdio.h>voidmain(){【intx,amax,amin;while(【x>=0}printf("\namax=%f\namin=%f}【double】fun(int{doubles=【0】,fac=1.0;inti;}return}findmax()s【intfindmax(ints[],int{intk,p;returnk;}invert()對(duì)一個(gè)字符串進(jìn)行倒置。例如：輸入為：1234，#includevoidinvert(char{inti,j;chark;{k=【str[i]}}void{char}intfun(intx,int{intk=0,【r】;x/=【2}程序的功能是：將字符數(shù)組a#include<string.h>#include<stdio.h>voidmain(){chara[]="clanguage",t;inti,j,k;}}average()計(jì)算數(shù)組中各元素的平均值。#include<stdio.h>floataverage(int*pa,int{intfloatavg=0.0;return}void{intfloatmean;}函數(shù)fun()的功能是：根據(jù)以下計(jì)算s，計(jì)算結(jié)果通過(guò)形參指針sn傳回，n通過(guò)形參傳入，n0。s=1-1/3+1/5-voidfun(float*sn,int{floats=【0.0】,w,f=-1.0;inti=0;}*sn=【s程序的功能是：將字符串b到字符串a(chǎn)中#includevoids(char*s,char{int【i++}void{char}0；當(dāng)st0；當(dāng)s所指字符串小于t0。【intsstrcmp(char*s,char}return*s【-*t}程序的功能是：求數(shù)組aisprime()用來(lái)判斷素?cái)?shù)。#include<stdio.h>void{inti,a[10],*p=a,sum=0;intisprime(intx)；printf("Enter10numfor(i=0;i<10;i++)scanf("%d",&a[i]);}printf("\nThesum}intisprime(int{intif(x%i【==】0)return0;return}#defineN10voidinvert(int*s,inti,int{intt;}}void{inta[N],i;printf("%d}#include<stdio.h>voidmain(){【1】*fp;intnum=【2】;charc;if((fp=fopen("fname.dat","r"))=={printf("Cannotopenfile!\n");}}【3}#include<stdio.h>voidmain(){【FILE】*fp;charch,fname[10];printf("Inputthenameoffile\n");{printf("Cannotopenthefile!\n");}printf("Enterdata\n");}#include<stdio.h>voidmain(){FILEcharinfile[10],outfile[10];printf("Entertheinfilename:\n");printf("Entertheoutfilename:\n");{printf("cannotopeninfile\n");}{printf("cannotopenoutfile\n");}}#include<stdio.h>voidmain(){floatx,amax,amin;while(【x>=0}}#include<stdio.h>voidmain(){voidswap(int*p1,int*p2);inta,b;int*pp1,*pp2;}voidswap(int*p1,int{inttemp;【*p1=*p2}#include<stdio.h>voidmain(){voidsort(intarray[],intn);inta[10],i;printf("enterthearray\n");printf("thesortedarray:\n");printf("%d",a[i]);}voidsort(intarray[],int{inti,j,k,t;}}#include【int】gongyue(inta,int{intb=【temp}return}void{intprintf("zuidagongyueshuwei}程序的功能是：用遞歸方法計(jì)算學(xué)生的。已知第一位學(xué)生最小，為#include<stdio.h>intage(intn){intc;return【c】;}void{}try.c（C）讀入內(nèi)存#include<stdio.h>voidmain(){【FILE*fp;charch;{printf("Cannotopenfile,pressanykeytoexit!");}}【fclose(fp)}#include<stdio.h>voidmain(){inta[10],i,j,x;if(a[i]【>】}}#includeintletter=0,digit=0,space=0,other=0;voidcount(char*p){for(;【*pelseif(*p>='0'&&*p<='9')digit++;elseif(*p=='')space++;elseother++;}void{charprintf("pleaseinputthestring:\n");}程序的功能是：用遞歸的方法計(jì)算那契數(shù)列第n項(xiàng)的值#include<stdio.h>intfib(intg){casecase2:return1}returnfib(g-1)+【fib(g-2}void{intn;int}#include<stdio.h>voidmain(){intr,m,n;【n】r=【m%n}}#include<stdio.h>voidmain(){【FILE】*fp;charch,fname[10];printf("Inputthenameoffile\n");{printf("Cannotopenthefile!\n");}printf("Enterdata\n");}#include<stdio.h>voidmain(){inta[5]={-3,-a[k]=【t}}#include<stdio.h>#include<string.h>voidmain(){intn=【0】;charstr[30],*p;}}#include<stdio.h>voidmain(){intx,i;}#include"stdio.h"voidmain(){intfor(【i=1】}}程序的功能是：用“冒泡”法對(duì)數(shù)組a#include【void】fun(intaint{inti,j,t;}}void{int}#includeintgac】(inta,intb);voidmain(){inta,b;}intgac(inta,int{intc;【returnb;return}voidsort(int*x,int{inti,j,k,t;if(x[j]【>】}}void{intprintf("pleaseinputthelengthofthearray:\n");【sort(a,n)printf("outputthesortedarray:\n");}#include<stdio.h>voidmain(){int{if(i!=k&&i!=j&&j【!=】printf("【%d】}}fun()n2/1+3/2+5/3+8/5+13/8+21/13#include【double】fun(int{inta,b,c,k;doubles=【0】;}return}voidmain({intprintf("\nThevalueoffunctionis:%lf}#include<stdio.h>voidmain(){float【float】a,b;scanf("%f%f",&a,&b);}printf("%5.2f,542歲。問(wèn)第4個(gè)人歲數(shù)，他說(shuō)比第3個(gè)2歲。依次類推。最后問(wèn)第一10#include【int】age(int{intreturnc;}void{}#include<stdio.h>intfun(intm,int{inti;}return}void{intm,n,q;}程序的功能是：求出 +n*n<=1000中滿足條件的最大的n#include<stdio.h>voidmain(){intn,s;while(【s<=1000}printf("n=%d\n",【n-1}#include<stdio.h>void{inti,sum=【0】;printf("sum=【%d】}程序的功能是：7個(gè)1到50之間的整數(shù)送入變量a。每讀一個(gè)數(shù)，就輸出a*。#include<stdio.h>voidmain(){int【while】scanf("%d",【&a}}0doublefun(int{doublesum=0.0;intc=0,i=0;}return(sum);}【void】{intx[1000];inti=0;}【while】}CEAedcab，edcbaECA。#include<stdio.h>#includevoidfun(chars[],int{inti,j;chart;【if(s[i]<s[j])}}void{char【fun】}#include<stdio.h>#defineMax100【void】fun(inta[],int{inti=0,j=n-1,temp;}}}void{inta[]={1,-3,-1,3,2,4,-4,5,-5,-printf("【%d",a[i]);}程序的功能是：判斷兩個(gè)指針?biāo)竼卧械闹档姆?hào)是否相同；若相同函數(shù)返回1，否則返回0。這兩個(gè)單元中的值都不為0。#includeintfun(double*a,double【*breturn1;return}voidmain({doublen,m;printf("Entern,m:");printf("\nThevalueoffunctionis:【%d】\n",}voidmain(){float【char】operate1;printf("Arithmeticexpression\n");{case'+':x+=y;break;case'-':x-=y;break;case'*':x*=y;【break】;case'/':x/=y;break;}}}strASCII#include<stdio.h>voidfun(char{charmax,*q,*p;}【p++}}【void】{charstr[80];}#include<stdio.h>int{inta[3][3],sum;inti,j;【return】}void{printf("sum=【%d】}num#include<stdio.h>longfun(long{longk=【1】;returnk;}voidmain({longprintf("\nPleaseenteranumber:");printf("\n%ld}120#include<stdio.h>floatfun(){intfloats=【0】,t;}【return】}void{printf("resualtis【%f】}#includevoidscat(chars1[],char{inti=0,j=0;}【s1[i]】}void{【chars1[80],s2[80];}a[1]中的數(shù)對(duì)調(diào)。#include<stdio.h>#defineN20【void】fun(inta[],int{inti,m,t,k;}}voidmain({intfor(i=0;i<n;i++)printf("%d",b[i]);printf("%d}#include<stdio.h>voidmain(){inti,a[10],min,k=0;【k】printf("\nafterexchange:\n");}fun()205#defineN20#include【int】fun(int{ints=0,i;【return】}void{intsum;printf("%d}程序的功能是：用選擇法對(duì)數(shù)組中的n#include<stdio.h>#defineN20voidfun(inta[],int{inti,j,t,p;t=a[p]a[p]=【a[j]}}void{inta[N]={9,6,8,3,-printf("%d",a[i]);}5，13*3#include【void】fun(int{int}void{inta[3][3],i,j;printf("%d",a[i][j]);}}程序的功能是：計(jì)算矩陣（33）5#include【void】fun(int{inti,j;}void{intint}}}#include<stdio.h>voidmain(){longif(【a!=0printf("thereare5,%ld%ld%ld%ld%ld\n",e,d,c,b,a);elseif(b!=0)printf("thereare4,%ld%ld%ld%ld\n",e,d,c,b);elseif(c!=0)printf("thereare3,%ld%ld%ld\n",e,d,c);elseif(d!=0)printf("thereare2,%ldelseifprintf("thereare}1010#includefloataverage(float{intfloataver,sum=【array[0]】;returnaver;}voidmain({floatscore[10],aver;int