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  • 3 ´ÎÏÂÔØ
  • 2026/1/9 16:46:56

{

int low,high,mid; low=0;high=n-1; while(low<=high) {

mid=(low+high)/2;

if(a[mid].key==key) return mid; else if(a[mid].key

return -1; }

3. µÝ¹é¼ÆËãÈçϵݹ麯ÊýµÄÖµ£¨ì³²¨À­Æõ£©£º f(1)=1 f(2)=1

f(n)=f(n-1)+f(n-2) n>2 ½â£º·ÇµÝ¹éËã·¨: int f(int n) {

int i,s,s1,s2;

s1=1;/*s1ÓÃÓÚ±£´æf(n-1)µÄÖµ*/ s2=1;/*s2ÓÃÓÚ±£´æf(n-2)µÄÖµ*/ s=1;

for(i=3;i<=n;i++) {

s=s1+s2; s2=s1; s1=s; }

return(s); }

µÝ¹éËã·¨: Int f(int n) {

If(n==1||n==2) Rerurn 1; Else

Rerutn f(n-1)+f(n-2); }

4. ½»»»Á½¸öÊý£¬²»ÓõÚÈý¿é¶ùÄڴ棺 ´ð:int a = ¡­¡­; int b = ¡­¡­; a = a + b; b = a - b;

a = a - b;

5. ðÅÝÅÅÐò£º

´ð:void BubbleSort(elemtype x[],int n) //ʱ¼ä¸´ÔÓ¶ÈΪ0(n*n); { int i,j;

elemtype temp; for(i=1;i

if(x[j].key>x[j+1].key) {

temp=x[j]; x[j]=x[j+1]; x[j+1]=temp; } } }

//²¹³äÒ»¸ö¸Ä½øµÄðÅÝËã·¨:

void BubbleSort(elemtype x[],int n) {

Int i,j;

BOOL exchange; //¼Ç¼½»»»±êÖ¾ for(i=1;i

Exchange = false; For(j=n-1;j>=i;--j) {

If(x[j]>x[j+1]) {

x[0] = x[j]; X[j] = x[j+1]; X[j+1] = x[0];

Exchange = true; //·¢ÉúÁ˽»»»,ÉèÖñêÖ¾ÎªÕæ. } }

if (!Exchange ) //Ϊ·¢ÉúÌæ»»,ÌáǰÖÕÖ¹Ëã·¨ return; } }

6. cÓïÑÔ Îļþ¶Áд #include \main()

{

FILE *fp;

char ch,filename[10]; scanf(\

if((fp=fopen(filename,\{

printf(\exit(0); }

ch=getchar(); while(ch!='#') {

fputc(ch,fp); putchar(ch); ch=getchar(); }

fclose(fp); }

7. winsocket±à³Ì //Õâ¸ö²»´í // ·þÎñÆ÷´úÂë

#include #include void main() {

WORD wVersionRequested; //°æ±¾ºÅ WSADATA wsaData; //Êý¾Ý int err;

wVersionRequested = MAKEWORD(1,1);

err = WSAStartup(wVersionRequested,&wsaData); if( err != 0) {

return; }

if(LOBYTE( wsaData.wVersion ) != 1|| HIBYTE( wsaData.wVersion) != 1) {

WSACleanup(); return; }

SOCKET sockSrv=socket(AF_INET,SOCK_STREAM,0); //½¨Á¢Ì×½Ó×Ö SOCKADDR_IN addrSrv;

addrSrv.sin_addr.S_un.S_addr=htonl(INADDR_ANY);

addrSrv.sin_family=AF_INET; addrSrv.sin_port=htons(6000);

bind(sockSrv,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR)); //°ó¶¨¶Ë¿Ú listen(sockSrv,5); //ת»»socketÌ×½Ó×ÓΪÕìÌýÌ×½Ó×Ó SOCKADDR_IN addrClient; int len=sizeof(SOCKADDR); while(1) //ÎÞÏÞÑ­»· {

SOCKET sockConn=accept(sockSrv,(SOCKADDR*)&addrClient,&len); char sendBuf[100];

sprint(sendBuf,\inet_ntoa(addrClient.sin_addr));

send(sockConn,sendBuf,strlen(sendBuf)+1,0); char recvBuf[100];

recv(sockConn,recvBuf); printf(\closesocket(sockConn); WSACleanup(); } } ×¢£ºÕâÊÇServer¶Ë£»File->New->Win32 Console Application£¬¹¤³ÌÃû£ºTcpSrv£»È»ºó£¬File-> µÚ11/28Ò³ ->New->C++

Source File£¬ÎļþÃû£ºTcpSrv£»Ôڸù¤³ÌµÄSettingµÄLinkµÄObject/library modulesÏîÒª¼ÓÈëws2_32.lib

#include #include void main() {

WORD wVersionRequested; WSADATA wsaData; int err;

wVersionRequested = MAKEWORD(1,1);

err = WSAStartup(wVersionRequested,&wsaData); //Æô¶¯winsock Dll if( err != 0) {

return; }

if(LOBYTE( wsaData.wVersion ) != 1|| HIBYTE( wsaData.wVersion) != 1) {

WSACleanup(); return; }

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