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void wwjt();

float sum(int n) {

/**********Program**********/

/********** End **********/ }

main() {

printf(\ wwjt(); }

void wwjt() {

FILE *IN,*OUT; int i; float o;

IN=fopen(\ if(IN==NULL) {

printf(\ }

OUT=fopen(\ if(OUT==NULL) {

printf(\ }

fscanf(IN,\ o=sum(i);

fprintf(OUT,\ fclose(IN); fclose(OUT); }

-----¡¾ ±ê×¼´ð°¸ ¡¿ ----- ----------------------

int i,j; float t,s=0; for(i=3;i<=n;i=i+3) {t=1; for(j=1;j<=i;j++)

t=t*j; s=s+t;} return(s); ----------------------

5¡¾³ÌÐòÉè¼Æ¡¿

¹¦ÄÜ£º²úÉú20¸ö[30,120]ÉϵÄËæ»úÕûÊý·ÅÈë¶þάÊý×é a[5][4]ÖÐ, ÇóÆäÖеÄ×îСֵ¡£

------------------------------------------------*/

#include \#include void wwjt();

int amin(int a[5][4]) {

/**********Program**********/

/********** End **********/ }

main() {

int a[5][4],i,j; for(i=0;i<5;i++) for(j=0;j<4;j++)

a[i][j]=rand()%(120-30+1)+30; for(i=0;i<5;i++) {

for(j=0;j<4;j++)

printf(\ printf(\ }

printf(\ wwjt(); }

void wwjt() {

FILE *IN,*OUT;

int m,n; int i[5][4]; int o;

IN=fopen(\ if(IN==NULL) {

printf(\ }

OUT=fopen(\ if(OUT==NULL) {

printf(\ }

for(m=0;m<5;m++) for(n=0;n<4;n++) {

fscanf(IN,\ }

o=amin(i);

fprintf(OUT,\ fclose(IN); fclose(OUT); }

-----¡¾ ±ê×¼´ð°¸ ¡¿ ----- ---------------------- int i,j,s; s=a[0][0]; for(i=0;i<5;i++) for(j=0;j<4;j++) if(s>a[i][j])s=a[i][j];

return(s); ----------------------

6¡¾³ÌÐòÉè¼Æ¡¿

¹¦ÄÜ£º´Ó¼üÅÌÉÏÊäÈëÈÎÒâʵÊý,Çó³öÆäËù¶ÔÓ¦µÄº¯ÊýÖµ¡£ z=eµÄx´ÎÃÝ£¨x>10) z=log(x+3) (x>-3) z=sin(x)/((cos(x)+4)

------------------------------------------------*/

#include #include void wwjt();

double y(float x) {

/**********Program**********/

/********** End **********/ }

main() {

float x;

scanf(\

printf(\ wwjt(); }

void wwjt() {

FILE *IN,*OUT; int n; float i; double o;

IN=fopen(\ if(IN==NULL) {

printf(\ }

OUT=fopen(\ if(OUT==NULL) {

printf(\ }

for(n=0;n<10;n++) {

fscanf(IN,\ o=y(i);

fprintf(OUT,\ }

fclose(IN); fclose(OUT); }