float nu; long h; k=0; system(\ if((fp=fopen(\ {

printf(\return; }

while(fscanf(fp,\ { k++; } fclose(fp); printf(\ÊäÈë1±íʾÓÃѧºÅÐ޸ģ¬ÊäÈë2±íʾÓÃÐÕÃûÐ޸ģ¡ÇëÑ¡Ôñ£º\\n\ scanf(\ if(x==1) { printf(\ÇëÊäÈëÐ޸ijɼ¨È˵ÄѧºÅ£º\ for(i=0;i

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if(strcmp(s[i].name,st)==0) { printf(\ÇëÊäÈëÐ޸ĵijɼ¨£º\\n\ scanf(\ s[i].cscore=nu; printf(\ÇëÊäÈëÐ޸ijɼ¨µÄʱ¼ä£º\\n\ scanf(\ s[i].a=h; fp=fopen(\ for(i=0;i

printf(\ûÓÐÕÒµ½¸ÃÉúµÄÐÅÏ¢£¡\\n\return; }

(5) ´úÂëÉè¼ÆºÍÖ´Ðнá¹û

1. Í·Îļþ

Struct stu {

int no;/*ѧºÅ*/

char name[30]; /*ÐÕÃû*/ float cscore; /*³É¼¨*/ long a; /*ʱ¼ä*/ };struct stu s[100];

/******ÒÔÏÂÊǺ¯ÊýÔ­ÐÍ*******/ void input() /*ÊäÈë¼Ç¼*/ void output()/*Êä³ö¼Ç¼*/ void modify()/*Ð޸ļǼ*/ 2.Ô´³ÌÐò´úÂëÓëÔËÐнá¹û

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#include #include #include int i,j,k,y; FILE *fp;

struct stu ¶¨Òå { int no;

char name[30];

float cscore;

long a;

};struct stu s[100];

int fun() º¯Êý { int n; system(\

printf(\

printf(\

³É¼¨¼Ç¼±¡\11

//½á¹¹Ì庯ÊýµÄ //Ŀ¼

for(i=0;i<33;i++) printf(\printf(\

printf(\ ************²Ëµ¥*************\\n\printf(\¡¢´´½¨Ñ§ÉúµÄÐÅÏ¢£¡ \\t*\\n\printf(\¡¢Êä³öËùÓÐѧÉúµÄÐÅÏ¢£¡ \\t*\\n\printf(\¡¢Ð޸ijɼ¨£¡ \\t*\\n\printf(\¡¢²éѯ£¡ \\t*\\n\printf(\¡¢ÏÔʾ³É¼¨·Ö¶ÎµÄѧÉúÐÅÏ¢£¡\\t*\\n\printf(\¡¢Ñ§Éú³É¼¨ÅÅÃû£¡ \\t*\\n\printf(\¡¢Í˳ö³É¼¨¼Ç¼±¡£¡ \\t*\\n\printf(\ for(i=0;i<33;i++)

printf(\

}

printf(\

printf(\ÇëÊäÈëÑ¡Ï\scanf(\return n;

void input() //ÊäÈëѧÉúµÄѧºÅ¡¢ÐÕÃû¡¢³É¼¨ÐÅÏ¢ {

system(\

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