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2014-11-24 01:23:03 ¡¾´ó ÖРС¡¿ ä¯ÀÀ:7527´Î
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46£®Ñ§ÉúµÄ¼Ç¼ÓÉѧºÅºÍ³É¼¨×é³É£¬NÃûѧÉúµÄÊý¾ÝÒÑÔÚÖ÷º¯ÊýÖзÅÈë½á¹¹ÌåÊý×ésÖУ¬Çë±àдº¯Êýfun£¬ËüµÄ¹¦ÄÜÊÇ£º°´·ÖÊýµÄ¸ßµÍÅÅÁÐѧÉúµÄ¼Ç¼£¬¸ß·ÖÔÚÇ°¡£


×¢Ò⣺²¿·ÖÔ´³ÌÐò¸ø³öÈçÏ¡£


ÇëÎð¸Ä¶¯Ö÷º¯ÊýmainºÍÆäËûº¯ÊýÖеÄÈκÎÄÚÈÝ£¬½öÔÚº¯ÊýfunµÄ»¨À¨ºÅÖÐÌîÈëËù±àдµÄÈô¸ÉÓï¾ä¡£


#include


#define N 16


typedef struct


{ char num[10];


int s;


} STREC;


int fun ( STREC a[ ] )


{



}


main ()


{ STREC s[N]= {{¡°GA005¡å,85}, {¡°GA003¡å,76}, {¡°GA002¡å,69}, {¡°GA004¡å,85},


{¡°GA001¡å,91}, {¡°GA007¡å,72}, {¡°GA008¡å,64}, {¡°GA006¡å, 87},


{¡°GA015¡å,85}, {¡°GA013¡å,91}, {¡°GA012¡å,64}, {¡°GA014¡å,91},


{¡°GA011¡å,66}, {¡°GA017¡å,64}, {¡°GA018¡å,64}, {¡°GA016¡å,72}};


int i; FILE *out;


fun ( s );


printf (¡°The data after sorted :\n¡±);


for (i=0; i

{ if ( (i)%4==0 ) printf (¡°\n¡±);


printf (¡°%s %4d ¡°, s[i].num, s[i].s);


}


printf (¡°\n¡±);


out=fopen (¡°out16.dat¡±, ¡°w¡±);


for (i=0; i

{ if ( (i)%4==0 && i ) fprintf (out, ¡°\n¡± );


fprintf (out, ¡°%4d¡±, s[i].s);


}


fprintf ( out, ¡°\n¡± );


fclose (out );


}



47£®Çë±àдһ¸öº¯Êývoid fun(char*ss)£¬Æ书ÄÜÊÇ£º½«×Ö·û´®ssÖÐËùÓÐϱêΪÆæÊýλÖÃÉϵÄ×Öĸת»»Îª´óд(Èô¸ÃλÖÃÉϲ»ÊÇ×Öĸ£¬Ôò²»×ª»»)¡£


ÀýÈ磬ÈôÊäÈëabc4EFgh£¬ÔòÓ¦Êä³öaBc4EFgH¡£


×¢Ò⣺²¿·ÖÔ´³ÌÐò¸ø³öÈçÏ¡£


ÇëÎð¸Ä¶¯Ö÷º¯ÊýmainºÍÆäËûº¯ÊýÖеÄÈκÎÄÚÈÝ£¬½öÔÚº¯ÊýfunµÄ»¨À¨ºÅÖÐÌîÈëËù±àдµÄÈô¸ÉÓï¾ä¡£


#include


#include


void fun(char *ss)


{



}




void main( void )


{


char tt[51];


clrscr();


printf(¡°\nPlease enter an character string within 50 characters:\n¡± );


gets( tt );


printf(¡°\n\nAfter changing, the string\n %s¡±, tt );


fun(tt) ;


printf( ¡°\nbecomes\n %s¡±, tt );


}



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14.ÏÂÁиø¶¨³ÌÐòÖУ¬º¯ÊýfunºÍfunxµÄ¹¦ÄÜÊÇ£ºÓöþ·Ö·¨Çó·½³Ì2x3-4x2+3x-6=0µÄ¸ù£¬²¢ÒªÇó¾ø¶ÔÎó²î²»³¬¹ý0.001¡£ÀýÈ磬Èô¸ømÊäÈë-100£¬¸ønÊäÈë90£¬Ôòº¯ÊýÇóµÃµÄÒ»¸ö¸ùֵΪ2.000¡£


Çë¸ÄÕý³ÌÐòÖеĴíÎó£¬Ê¹ËüÄܵóöÕýÈ·½á¹û¡£


×¢Ò⣺²»Òª¸Ä¶¯mainº¯Êý£¬²»µÃÔöÐлòɾÐУ¬Ò²²»µÃ¸ü¸Ä³ÌÐòµÄ½á¹¹¡£


ÊÔÌâ³ÌÐò£º


#include ¡°stdio.h¡±


#include ¡°math.h¡±


double funx(double x)


{


return (2*x*x*x-4*x*x+3*x-6);


}


double fun(double m,double n)


{


/********found********/


int r;


r=(m+n)/2;


/********found********/


while(fabs(n-m)<0.001)


{


if(funx(r)*funx(n)<0)


m=r;


else


n=r;


r=(m+n)/2;


}


return r;


}


main()


{


double m,n,root;


printf(¡°Enter m n : \n¡±);


scanf(¡°%lf%lf¡±,&m,&n);


root=fun(m,n);


printf(¡°root=%6.3f\n¡±,root);


}




15£®ÏÂÁиø¶¨³ÌÐòÖУ¬º¯ÊýfunµÄ¹¦ÄÜÊÇ£ºÅжÏ×Ö·ûchÊÇ·ñÓëstrËùÖ¸´®ÖеÄij¸ö×Ö


·ûÏàͬ£»ÈôÏàͬ£¬ÔòʲôҲ²»×ö£¬Èô²»Í¬£¬Ôò½«Æä²åÔÚ´®µÄ×îºó¡£


Çë¸ÄÕý³ÌÐòÖеĴíÎó£¬Ê¹ËüÄܽøÐÐÕýÈ·µÄ²Ù×÷¡£


×¢Ò⣺²»Òª¸Ä¶¯mainº¯Êý£¬²»µÃÔöÐлòɾÐУ¬Ò²²»µÃ¸ü¸Ä³ÌÐòµÄ½á¹¹!


ÊÔÌâ³ÌÐò£º


#include


#include


#include


/********found********/


void fun(char str,char ch)


{


while ( *str && *str !=ch )


str++;


/********found********/


if(*str==ch)


{


str[0]=ch;


/********found********/


str[1]=¡¯0¡ä;


}


}


main()


{


char s[81],c;


clrscr();


printf(¡°\n Please enter a string:\n¡±);


gets(s);


printf(¡°\n Please enter the character to search:¡±);


c=getchar();


fun(s,c);


printf(¡°\nThe result is %s\n¡±,s);


}


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