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while (____ _____) {

fgetc(fp); num++; }

printf(\ fclose(fp); }

15.Ö´ÐÐÏÂÊö³ÌÐòºó£¬Êä³ö½á¹ûΪ_____ _______¡£ #include #define FUN1(a,b) a+b #define FUN2(a,b) a-b #define CAL(a,b) a*b+a+3 main() {

printf(\ }

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1£®ÏÂÁиø¶¨³ÌÐòµÄ¹¦ÄÜÊÇ£º¶ÁÈëÒ»¸öÕûÊý(2<=k<£½10000)£¬´òÓ¡ËüµÄËùÓÐÖÊÒò×Ó£¨¼´ËùÓÐÎªËØÊýµÄÒò×Ó£©¡£ÀýÈ磬ÈôÊäÈëÕûÊý2310£¬ÔòÓ¦Êä³ö2¡¢3¡¢5¡¢7¡¢11¡£

#include #include IsPrime(int n); { int i,m;

m=1;

for ( i=2; i

if !(n%i)

{ m=0; continue; } return (m); } main() { int j,k;

printf(¡°\\nPlease enter an integer number between 2 and 10000:¡±);scanf(¡°%d¡±,k);

printf(¡°\\nThe prime factor(s) of %d is (are):¡±,k); for (j=2;j<=k;j++)

if ((!(k%j))&(IsPrime(j)) printf(¡°\\nM¡±,j); printf(¡°\\n¡±); }

2£®ÏÂÁиø¶¨³ÌÐòÖУ¬º¯ÊýfunµÄ¹¦ÄÜÊÇ£ºÖð¸ö±È½Ïa¡¢bÁ½¸ö×Ö·û´®¶ÔӦλÖÃÖеÄ×Ö·û£¬°ÑASCIIÖµ´ó»òµÈÓÚµÄ×Ö·ûÒ»´Î´æ·Åµ½cÊý×éÖУ¬ÐγÉÒ»¸öеÄ×Ö·û´®¡£ÀýÈ磬ÈôaÖеÄ×Ö·û´®ÎªaBCDeFgH,bÖеÄ×Ö·û´®Îª£ºABcd£¬ÔòcÖеÄ×Ö·û´®Îª£ºaBcdeFgh¡£

#include #include

void fun(char *p,char *q,char *c)£» { int k=1; while(*p!=*q)

{ if (*p<*q) c[k]=*q; else c[k]=*p; if (*p) p++; if (*q) q++;

k++; } }

main()

{ char a[10]=¡°aBCDeFgh¡±,b[10]=¡°ABcd¡±,c[80]={¡°¡±}; fun(a,b,c);

printf(¡°The string a:¡±); puts(a); printf(¡°The string b:¡±); puts (b); printf(¡°The result:¡±); puts(c); }

ËÄ¡¢ÔĶÁÏÂÁгÌÐò£¬ÔÚ³ÌÐòºóÃæµÄºáÏßÉÏ£¬Ð´³ö¸Ã³ÌÐòµÄ¹¦ÄÜ»ò¸ø³öÔËÐнá¹û¡££¨Ã¿Ð¡Ìâ5·Ö£¬¹²20·Ö£© 1. #include void main()

{ char ch; int k=0;

for(ch=¡¯A¡¯;ch<¡¯H¡¯;ch++,k++)

if(k%2==0) printf(¡°%c¡±,ch);

printf(¡°\\n¡±);

}

Êä³ö½á¹û£º 2. #include void main( ) { int k=0;

char c=¡¯A¡¯; do {

switch (c++)

{case ¡®A¡¯: k++; break;

case ¡®B¡¯: k--;

case ¡®C¡¯: k+=2; break; case ¡®D¡¯: k=k%2; break; case ¡®E¡¯: k=k*10; break; default: k=k/3; } k++;

} while(c<¡¯G¡¯); printf(¡°k=%d\\n¡±, k);

}

Êä³ö½á¹û: 3. #include void main() { int

a[6]={12,4,17,25,27,16},b[6]={27,13,4,25,23,16},i,j; for(i=0;i<6;i++) {

for(j=0;j<6;j++) if(a[i]==b[j])break; if(j<6) printf(¡°%d¡±,a[i]); }

printf(¡°\\n¡±);

} Êä³ö½á¹û£º 4. #include void main()

{ int a[8]={1,0,1,0,1,0,1,0},i;

for(i=2;i<8;i++) a[i]+=a[i-1]+a[i-2]; for(i=0;i<8;i++) printf(¡°%d¡±,a[i]);

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