CÓïÑÔ³ÌÐòÉè¼Æ»ù´¡½Ì³Ì - Ï°Ìâ´ð°¸

if(num[i]) printf(¡°%c: %d\\n¡±, i+?A?, num[i] );

ÒÔϳÌÐòµ÷ÓÃfindmaxº¯ÊýÇóÊý×éÖÐÖµ×î´óµÄÔªËØÔÚÊý×éÖеÄϱê,Çë²¹³äÌî¿Õ¡£

# include

findmax (int *s ,int t ,int *k ) { int p;

for(p=0,*k=p;p

if ( s[p] > s[*k] ) __*k=p______; }

void main()

{ int a[10] , i , k ;

for ( i=0 ; i<10 ; i + + ) scanf(\findmax ( a,10,&k );

printf ( \} 8.2.5 ÒÔϳÌÐòÇóaÊý×éÖеÄËùÓÐËØÊýµÄºÍ£¬º¯ÊýisprimeÓÃÀ´ÅжÏ×Ô±äÁ¿ÊÇ·ñΪËØ

Êý£¬Çë²¹³äÌî¿Õ¡£

#include void main()

{ int i,a[10],*p= a ,sum=0; printf(\

for(i=0;i<10;i + + ) scanf(\for(i=0;i<10;i + + )

if(isprime(*(p+i)) = = 1)

{ printf(\ sum+= a[i] //»òÕß *(a+i) »òÕß *(p+i) ; } /*´òÓ¡

ËØÊý*/

printf(\ /*´òÓ¡ËùÓÐËØÊýµÄºÍ*/ }

isprime(int x) { int i;

for(i=2;i<=x/2;i + + )

if(x%i = = 0) return (0); return 1 ; } 8.2.6 ÔÚÏÂÁгÌÐòÖУ¬Æ亯ÊýµÄ¹¦ÄÜÊDZȽÏÁ½¸ö×Ö·û´®µÄ³¤¶È£¬±È½ÏµÄ½á¹ûÊǺ¯Êý·µ

»Ø½Ï³¤µÄ×Ö·û´®µÄµØÖ·¡£ÈôÁ½¸ö×Ö·û´®³¤¶ÈÏàͬ£¬Ôò·µ»ØµÚÒ»¸ö×Ö·û´®µÄµØÖ·¡£

#include

char * fun ( char *s, char *t) { char *ss=s, *tt=t; while((*ss)&&(*tt)) { ss++; tt++; } if (*tt) return tt;

else return ss ;

} 8.2.4

}

void main( )

{ char a[20],b[10],*p=a,*q=b; gets(p);

gets( q );

printf(\}

8.3 д³öÒÔϳÌÐòµÄÔËÐнá¹û 8.4.1

main( )

{ int a[ ]={2,4,6,8},*p=a,i;

for(i=0;i<4;i++) a[i]=*p++; printf(\}

ÔËÐнá¹û: 6,8 8.4.2

#include void main( ) { int a,b,c;

int x=4,y=6,z=8;

int p1=&x,p2=&y,*p3; a=p1==&x;

b=3*(-*p1)/(*p2)+7; c=*(p3=&z)=*p1*(*p2); printf(\}

ÔËÐнá¹û: 1,5,24 8.4.3

#include void main( )

{ int a[ ]={2,4,6,8,10},*p,**k; p=a; k=&p;

printf(\ \printf(\}

ÔËÐнá¹û: 24 8.4.4

#include void main( )

{ int a[3][4]={2,4,6,8,10,12,14,16,18,20,22,24}; int (*p)[4]=a,i,j,k=0; for(i=0;i<3;i++) for(j=0;j<2;j++))

k+=*(*(p+i)+j);

printf(\

}

ÔËÐнá¹û: 66 8.4.5

#include void main( ) { int k=0,sign,m;

char s[ ]=¡°-12345¡±; if(s[k]==?+?||s[k]==?-?) sign=s[k++]==?+??1:-1;

for(m=0;s[k]>=?0?&&s[k]<=?9?;k++) m=m*10+s[k]-?0?;

printf(\ }

ÔËÐнá¹û: Result=-12345 8.4.6 ÈôÓÐ5Ãſγ̵ijɼ¨ÊÇ£º90.5, 72, 80, 61.5, 55£¬Ôò³ÌÐòÔËÐнá¹ûÊǶàÉÙ£¬Æ亯ÊýÖ´

ÐÐʲô¹¦ÄÜ¡£ #include

float fun ( float *a , int n ) { int i;

float sum=0; for(i=0; i

void main()

{ float score[30]={90.5, 72, 80, 61.5, 55}, aver; aver = fun( score, 5 );

printf( \}

ÔËÐнá¹û: Average score is: 71.80 º¯Êý¹¦ÄÜ:Çó5ÃſγÌƽ¾ù·Ö

8.4.7 ÈôÊäÈë×Ö·û´®\£¬Ôò³ÌÐòÔËÐнá¹ûÊǶàÉÙ£¬Æä³ÌÐòÖ´ÐÐʲô¹¦ÄÜ¡£

#include #include long fun ( char *p)

{ long nn=0; int ss=1;

if((*p)=='-'){ p++; ss=-1;} if((*p)=='+') p++; while(*p)

nn=nn*10-48+(*p++); return(nn*ss); }

void main() /* Ö÷º¯Êý */ { char s[6];

8.4.8

8.4.9

long n;

printf(\ gets(s); n = fun(s);

printf(\}

ÔËÐнá¹û: -1234 ³ÌÐò¹¦ÄÜ:ÊäÈëÒ»¸ö×Ö·û´®£¬²¢½«Æäת»»ÎªÊý×Ö

ÏÂÁгÌÐò¹¦ÄÜÊǽ«³¤ÕûÐÍÊýÖÐÿһλÉÏΪżÊýµÄÊýÒÀ´ÎÈ¡³ö£¬¹¹³ÉÒ»¸öÐÂÊý·ÅÔÚtÖС£¸ßλÈÔÔÚ¸ß룬µÍλÈÔÔÚµÍλ¡£ÀýÈ磬µ±sÖеÄÊýΪ£º87653142ʱ£¬tÖеÄÊýΪ£º8642¡£Çë¸ÄÕý³ÌÐòÖеĴíÎó£¬Ê¹ËüÄܵóöÕýÈ·µÄ½á¹û¡£ #include

void fun (long s, long *t) { int d;

long sl=1; *t = 0;

while ( s > 0) { d = s;

if (d/2==0) // ¸ÄΪ£ºif(d%2==0) { *t=d* sl+ *t; sl *= 10; }

s \\= 10; //¸ÄΪ£ºs/=10; } }

void main() { long s, t;

scanf(\ fun(s, &t);

printf(\}

ÏÂÁгÌÐò¹¦ÄÜÊǶÔMÐÐMÁÐÕûÊý·½ÕóÇóÁ½Ìõ¶Ô½ÇÏßÉϸ÷ÔªËØÖ®ºÍ¡£Çë¸ÄÕý³ÌÐòÖеĴíÎó£¬Ê¹ËüÄܵóöÕýÈ·µÄ½á¹û¡£ #include #define M 5

int fun(int n, int x[ ][ ]) //¸Äint fun(int n,int x[][M]) { int i, j, sum=0,*p; //¸Äint i,j,sum=0,(*p)[M];

for( p = 1,i= 1;i <= M ; i++ ) //¸Äfor(p=x,i=0;i

void main( )

{ int a[M][M]={{1,2,3,4,5},{4,3,2,1,0},{6,7,8,9,0},{9,8,7,6,5},{3,4,5,6,7}}; printf ( \}

8.4 ±à³ÌÌâ