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S = 1 + 1/(1+2) + 1/(1+2+3) + ¡­¡­ + 1/(1+2+3+¡­¡­+50) ÀýÈ磬ÈôÖ÷º¯Êý´Ó¼üÅ̸ønÊäÈë50ºó£¬ÔòÊä³öΪS=1.960784¡£ #include

/************found************/ ___1___ fun(int n) {

float fun(int n) int i,j;

double sum=0.0, t; for(i=1;i<=n;i++) {

t=0.0; T=T+J; T+=J; for(j=1;j<=i;j++)

/************found************/ t+= ___2___; sum+= 1.0/t; t+=j; }

return sum; }

main() {

int n; double s; printf(\ \ scanf(\ s=fun(n);

printf(\}

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¼ÆËãÁ½¸öÕûÊýnºÍm£¨m<1000£©Ö®¼äËùÓÐÊýµÄºÍ¡£nºÍm´Ó¼üÅÌÊäÈë¡£ÀýÈ磬µ±n=1£¬m=100ʱ£¬sum=5050£¬µ±n=100£¬m=1000ʱ£¬sum=495550¡£ #include #include main() {

int n,m; int sum;

/************found************/ ___1___; sum=0; printf(\ scanf(\ while( n<=m ) {

/************found************/ ___2___; sum=sum+n; n++; }

printf(\ }

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¼ÆËãN*N¾ØÕóµÄÖ÷¶Ô½ÇÏßÔªËØºÍ¸±¶Ô½ÇÏßÔªËØÖ®ºÍ£¬²¢×÷Ϊº¯ÊýÖµ·µ»Ø¡£(ÒªÇó£ºÏÈÀÛ¼ÓÖ÷¶Ô½ÇÏßÔªËØÖеÄÖµ£¬È»ºóÀÛ¼Ó¸±¶Ô½ÇÏßÔªËØÖеÄÖµ¡£)

ÀýÈ磬ÈôN=3£¬ÓÐÏÂÁоØÕó£º 1 2 3

4 5 6

7 8 9

funº¯ÊýÊ×ÏÈÀÛ¼Ó1¡¢5¡¢9£¬È»ºóÀÛ¼Ó3¡¢5¡¢7£¬º¯ÊýµÄ·µ»ØÖµÎª30¡£ #include #define N 3

fun(int t[][N], int n) {

int i, sum;

/************found************/ ___1___; sum=0; for(i=0; i

/************found************/ sum+=___2___ ; sum+=t[i][i]; for(i=0; i

sum+= t[i][n-i-1] ; return sum; }

main() {

int t[][N]={1,2,3,4,5,6,7,8,9},i,j; for(i=0; i

for(j=0; j

printf(\ printf(\ }

printf(\ %d\\n\ }

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´òÓ¡³ö1ÖÁ1000ÖÐÂú×ãÆä¸öλÊý×ÖµÄÁ¢·½µÈÓÚÆä±¾ÉíµÄËùÓÐÕûÊý¡£±¾ÌâµÄ½á¹ûΪ£º1 64 125 216 729¡£ #include main() {

int i,g;

for(i=1;i<1000;i++) {

/************found************/ g=i___1___10; g=i; /************found************/ if(___2___) if(i==g*g*g) printf(\ }

printf(\}

- 25 -

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°ÑÊý×éa£¨´óСΪM£©ÖÐǰM-1¸öÔªËØÖеÄ×îСֵ·ÅÈëaµÄ×îºóÒ»¸öÔªËØÖÐ

#include #define M 11 void main() { int a[M],i;

for(i=0;i

/************found************/ for(i=1; ___(1)___;i++)

for(i=1;ia[i]) a[M-1]=a[i];

printf(\ }

10¡¢ÔÚ¿¼ÉúÎļþ¼ÐÏ£¬¸ø¶¨³ÌÐòFILL.CµÄ¹¦ÄÜÊÇ£º ͳ¼ÆÒ»Î¬Êý×éaÖÐËØÊýµÄ¸öÊý¡£

ÀýÈ磺Èç¹ûÊý×éaµÄÔªËØÎª£º2,3,5,7,8,9,10,11,12,13£¬ Ôò³ÌÐòµÄÊä³öӦΪ£ºprime number(s) is(are): 6¡£

#include #include #include prinum( int a[]) { int count,i,j,k; count = 0;

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

k=a[i]-1;

for ( j=2; j<=k; j++) if (a[i] % j == 0) break;

if(j >= k+1) count++; }

/************found************/ ____(1)____;

return count; }

void main()

{ int a[10]={2,3,5,7,8,9,10,11,12,13},n; /************found************/ n = ____(2)____;

n=prinum(a); printf(\ }

11¡¢ÔÚ¿¼ÉúÎļþ¼ÐÏ£¬¸ø¶¨³ÌÐòFILL.CµÄ¹¦ÄÜÊÇ£º ÇóһάÊý×éaÖÐËØÊýÖ®ºÍ¡£

ÀýÈ磺Èç¹ûÊý×éaµÄÔªËØÎª£º2,3,5,7,8,9,10,11,12,13,15,17, Ôò³ÌÐòµÄÊä³öӦΪ£ºSum is: 58¡£

#include #include #include void main()

{ int a[12]={2,3,5,7,8,9,10,11,12,13,15,17},i,j,k,s; /************found************/ ___(1)___; s=0; for ( i=0; i<12; i++) {

k=(int)sqrt(a[i]); for ( j=2;j <= k; j++) if (a[i] % j == 0) break; if( j>k )

/************found************/ s=s+__(2)__; s=s+a[i]; }

printf(\ }

12¡¢ÔÚ¿¼ÉúÎļþ¼ÐÏ£¬¸ø¶¨³ÌÐòFILL.CµÄ¹¦ÄÜÊÇ£º ´Ó¼üÅÌÉÏÊäÈëÁ½¸öÕýÕûÊýx,y£¬ÇóËüÃǵÄ×î´ó¹«Ô¼Êý¡£ ÀýÈ磺Èç¹û´Ó¼üÅÌÉÏÊäÈë24,36£¬ ³ÌÐòµÄÊä³öӦΪ£ºmax is : 12¡£

#include #include #include void main() { int x,y,t,i;

printf(\ scanf(\ if(x < y)

/************found************/ {t = x; ____(1)____ ; y = t;} t = x % y; while( t ) x=y; { x = y; y=t;

t = x % y; }

/************found************/ printf(\} printf(\- 26 -

13¡¢ÔÚ¿¼ÉúÎļþ¼ÐÏ£¬¸ø¶¨³ÌÐòFILL.CµÄ¹¦ÄÜÊÇ£º ÇóһάÊý×éaÖзÇËØÊýÖ®ºÍ¡£

ÀýÈ磺Èç¹ûÊý×éaµÄÔªËØÎª£º2,3,5,7,8,9,10,11,12,13,15,17, Ôò³ÌÐòµÄÊä³öӦΪ£ºSum is: 54¡£

#include #include #include void main()

{ int a[12]={2,3,5,7,8,9,10,11,12,13,15,17},i,j,k,s; /************found************/ ____(1)____; s=0; for ( i=0; i<12; i++) {

k=sqrt(a[i]);

for ( j=2;j <= k; j++) if (a[i] % j == 0) break; if( j<=k )

/************found************/ s=s+____(2)____; s=s+a[i]; }

printf(\}

14¡¢ÔÚ¿¼ÉúÎļþ¼ÐÏ£¬¸ø¶¨³ÌÐòFILL.CµÄ¹¦ÄÜÊÇ£º ²éÕÒnÔÚÊý×éaÖÐ×îºóÒ»´Î³öÏÖµÄλÖÃ(Êý×éÊ×ÔªËØµÄλÖÃΪÁã)¡£

ÀýÈ磺Èç¹ûaÊý×éÖеÄÔªËØÎª£º1,5,2,5,6,8,7,4,3,0£¬ µ±n=5ʱ£¬³ÌÐòµÄÊä³ö½á¹ûΪ£º5 is No.3 ¡£

µ±n=10ʱ£¬³ÌÐòµÄÊä³ö½á¹ûӦΪ£º10 not found !¡£

#include void main( )

{ int a[10]={1,5,2,5,6,8,7,4,3,0}; int i,k,n,f=0; scanf(\ for(i=0;i<10;i++)

/************found************/ if(___(1)___) if(a[i]==n) { f=1;

/************found************/ ___(2)___; } k=i; if(f)

printf(\ is No. %d\\n\ else

printf(\ }

15¡¢ÔÚ¿¼ÉúÎļþ¼ÐÏ£¬¸ø¶¨³ÌÐòFILL.CµÄ¹¦ÄÜÊÇ£º ÇóÁ½¸öÕýÕûÊýx,yµÄ×î´ó¹«Ô¼ÊýºÍ×îС¹«±¶Êý¡£ ÀýÈ磺Èç¹ûx=24,y=36£¬³ÌÐòµÄÊä³öӦΪ£º max is : 12 min is : 72 ¡£

#include #include #include void main()

{ int x,y,t,max,min,i,n1,n2;

printf(\ scanf(\ if(x > y)

{t = x; x = y; y = t;} n1=x; n2=y; t = n2 % n1;

/************found************/ while( ____(1)____ ) while(t!=0) {

n2 = n1 ; n1 = t ; t = n2 % n1; }

/************found************/ max = ____(2)____ ; max=n1; min = x * y / max ;

printf(\ printf(\}

- 27 -

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1¡¢ÔÚ¿¼ÉúÎļþ¼ÐÏ£¬ÒªÇó³ÌÐòPROG.CµÄ¹¦ÄÜÊÇ£º ½«×Ö·û´®ÖÐËùÓеĴóд×Öĸת»»ÎªÐ¡Ð´£¬ÆäËü×Ö·û²»±ä£¨²»Ê¹ÓÃת»»º¯Êý£©¡£

ÀýÈ磬µ±×Ö·û´®Îª\ Êä³ö£º\

#include void fun(char str1[]) {

/***********begin***********/ int i=0; while(str1[i]!='\\0') { if (str1[i]>='A' && str1[i]<='Z') str1[i]+=32; else; i++;

} /************end************/ }

void main() {

void NONO( );//º¯ÊýÉùÃ÷ char str1[80];

printf(\ gets(str1); fun(str1);

printf(\ NONO( ); }

void NONO( ) { FILE *fr,*fw; int i;

char s[80];

fr=fopen(\ fw=fopen(\ for(i=1;i<=2;i++) { fgets(s,80,fr); fun(s);

fprintf(fw,\ fclose(fr); fclose(fw); }

2¡¢ÔÚ¿¼ÉúÎļþ¼ÐÏ£¬ÒªÇó³ÌÐòPROG.CµÄ¹¦ÄÜÊÇ£º Çó[1£¬1000]Ö®¼ä¼È²»Äܱ»7Õû³ýÒ²²»Äܱ»5Õû³ýµÄÕûÊýÖ®ºÍ£¬½«½á¹û´æÈë±äÁ¿sÖС£

#include \ #include \ #include \ void main() {

void NONO( int y);//º¯ÊýÉùÃ÷ int s; int i;

/***********begin***********/ s=0; for(i=1;i<=1000;i++) if(i%5!=0 && i%7!=0) s=s+i;

else; /************end************/ printf(\ NONO(s); }

void NONO( int y) { FILE *f;

f=fopen(\ fprintf(f,\ fclose(f); }

- 28 -