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218¡¢³ÌÐò¶Îint k,a[3][3]={1,2,3,4,5,6,7,8,9}; for (k=0;k<3;k++) printf(¡°%d¡±,a[k][2-k]); Êä³ö½á¹ûÊÇ( C )¡££¨2·Ö£©

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224¡¢Ã¶¾ÙÀàÐÍÊ×ÔªËØÄ¬ÈÏÖµºÍÁ½¸öÏàÁÚÔªËØÖ®¼äĬÈϵIJîÖµ·Ö±ðÊÇ£¨C £©£¨2·Ö£© A¡¢1£¬0 B¡¢1£¬1 C¡¢0£¬1 D¡¢0£¬0

225¡¢ÈôÒªÓÃfopenº¯Êý´ò¿ªÒ»¸öеĶþ½øÖÆÎļþ£¬¸ÃÎļþ¼ÈÄܶÁÒ²ÄÜд£¬ÔòÎļþ´ò¿ª·½Ê½Îª£¨ B£©£¨2·Ö£©

A¡¢ab+ B¡¢wb+ C¡¢rb+ D¡¢ab ¶þ,Ìî¿ÕÌâ

1¡¢Ò»¸öCÔ´³ÌÐòÖÐÖÁÉÙÓ¦°üº¬Ò»¸ö[main] º¯Êý¡£

2¡¢aÊÇÕûÐͱäÁ¿£¬ÔòÖ´Ðбí´ïʽa=25/3%3ºóaµÄֵΪ¡£[2] 3¡¢int m=5,y=2;Ôò±í´ïʽy+=y- =m*=yµÄֵΪ¡£[-16]

4¡¢Ö´ÐÐÏÂÁÐÓï¾ä: int a=1, b=2; a=a+b; b=a-b; a=a-b; printf(\µÄÊä³ö½á¹û·Ö±ðÊÇ[2,1]

5¡¢Ìõ¼þ±í´ïʽµÄ¸ñʽΪ±í´ïʽ1£¿±í´ïʽ2£º±í´ïʽ3,Èô±í´ïʽ2ºÍ±í´ïʽ3µÄÀàÐͲ»Í¬£¬´ËʱÌõ¼þ±í´ïʽµÄÖµµÄÀàÐÍΪ¶þÕßÖнÏ[¸ß]µÄÀàÐÍ

6¡¢µ±ÔËÐÐÒÔϳÌÐòʱ£¬´Ó¼üÅ̼üÈëright?(´ú±í»Ø³µ)£¬ÔòÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ¡£ #include main( ) { char c;

while((c=getchar())!='?') putchar(++c) } [sjhiu?]

7¡¢CÓïÑÔÖеÄÊý×鱨ÐëÏÈ[¶¨Òå],È»ºóʹÓá£

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9¡¢ÒÑÖª£ºfloat f1=3.2,f2,*pf1=&f1;f2=f1£¬Ôò*f2µÄֵΪ¡£[3.2]

10¡¢ÒÔϳÌÐò

void fun(char *a, char *b) { a=b; (*a)++; } main ()

{ char c1=\p1=&c1; p2=&c2; fun(p1,p2); printf(¡°&c&c\\n¡±,c1,c2); }

ÔËÐкóµÄÊä³ö½á¹ûÊÇ ¡£[&c&c]

11¡¢×Ö·û´®³£Á¿¡°123¡±ÔÚÄÚ´æÖеÄ×Ö½ÚÊýÊÇ ¡£[4×Ö½Ú] 12¡¢ÒÑÓж¨Òå :int x=3 ;Ôò±í´ïʽ :x=x+1.78 µÄÖµÊÇ ¡£¡¾4¡¿ 13¡¢int a=24; printf(\Êä³ö½á¹ûÊÇ ¡£¡¾30¡¿ 14¡¢µ±a=3,b=2,c=1ʱ£¬±í´ïʽf=a>b>cµÄÖµÊÇ ¡£¡¾0¡¿ 15¡¢ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ ¡£¡¾x=1,y=20¡¿ #include main() { int i,x,y; i=x=y=0; do {++i;

if(i%2!=0) {x=x+i;i++;} y=y+i++; } while (i<=7);

printf(\}

16¡¢ÒÔÏÂÓï¾ächar str[10]={\µÄÊä³ö½á¹ûÊÇ ¡£[5]

17¡¢ÎªÁ˱ãÓÚÇø±ðÈ«¾Ö±äÁ¿ºÍ¾Ö²¿±äÁ¿£¬Í¨³£½«È«¾Ö±äÁ¿µÄÊ××Öĸ ¡£[Óôóд×Öĸ±íʾ] 18¡¢ÒÑÖª£ºint b=5,*p=&b;²¢ÇÒbµÄµØÖ·Îª4000£¬Ôò¡°printf(\¡±µÄÊä³ö½á¹ûÊÇ ¡£¡¾4000,5¡¿ 19¡¢³ÌÐòmain()

{ int a[2][3]={{1,2,3},{4,5,6}}; int m,*ptr; ptr=&a[0][0];

m=(*ptr)*(*(ptr+2))*(*(ptr+4)); printf(\}

µÄÔËÐнá¹ûÊÇ ¡£¡¾15¡¿

20¡¢ÒýÓÃCÓïÑÔ±ê×¼¿âº¯Êý£¬Ò»°ãÒªÓá¾Îļþ°üº¬¡¿ Ô¤´¦ÀíÃüÁÆäÍ·Îļþ°üº¬½øÀ´¡£ 21¡¢ÔÚCÓïÑÔ³ÌÐòÖУ¬·ûºÅ³£Á¿µÄ¶¨ÒåҪʹÓᾺ궨Òå¡¿ Ô¤´¦ÀíÃüÁî¡£

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22¡¢Âß¼­ÔËËã·û£¡ÊÇ[×ÔÓÒÖÁ×ó] ½áºÏÐÔ¡£ 23¡¢ÏÂÃæµÄ³ÌÐòµÄÔËÐнá¹ûÊÇ ¡£¡¾s=254¡¿ #include main( ) {int a,s,n,count; a=2;s=0;n=1;count=1;

while(count<=7) {n=n*a; s=s+n; ++count;} printf(\}

24[strcat] (×Ö·ûÊý×éÃû1£¬×Ö·ûÊý×éÃû2)°Ñ×Ö·ûÊý×é2ÖеÄ×Ö·û´®Á¬½Óµ½×Ö·ûÊý×é1 ÖÐ×Ö·û´®µÄºóÃæ£¬²¢É¾È¥×Ö·û´®1ºóµÄ´®±êÖ¾¡°\\0¡±¡£

25¡¢£ÃÓïÑÔÔÊÐíº¯ÊýÖµÀàÐÍȱʡ¶¨Ò壬´Ëʱ¸Ãº¯ÊýÖµÒþº¬µÄÀàÐÍÊÇ[ÕûÐÎ] ¡£ 26¡¢Êý×éÔÚÄÚ´æÖÐÕ¼ÓÃÒ»¶ÎÁ¬ÐøµÄ´æ´¢¿Õ¼ä£¬ËüµÄÊ×µØÖ·ÓÉ ¡¾Êý×éÃû¡¿±íʾ 27ÈôÓж¨Ò壺int a[2][3]={2,4,6,8,10,12}£»Ôò*(&a[0][0]+2*2+1)µÄÖµÊÇ ¡¾12¡¿ 28¡¢ÔÚÒ»¸öCÔ´³ÌÐòÖУ¬×¢ÊͲ¿·Ö¶þ²àµÄ·Ö½ç·ûΪ ¡£¡¾/*ºÍ*/¡¿ 29¡¢ÔÚCÓïÑÔ³ÌÐòÖУ¬×ªÒå×Ö·û¡°\\n¡±µÄ¹¦ÄÜÊÇ [»»ÐÐ] ¡£ 30¡¢µ±a=5,b=4,c=2ʱ£¬±í´ïʽa>b!=cµÄÖµÊÇ ¡£¡¾1¡¿

32¡¢ÔÚCÓïÑÔ³ÌÐòÖУ¬Óùؼü×Ö´íÎó£¡Î´ÕÒµ½ÒýÓÃÔ´¡£¶¨Òå×Ö·ûÐͱäÁ¿¡£ 33ÈômÊÇÒ»¸öÈýλÊý£¬Ôò°ÙλÊý×ÖΪ´íÎó£¡Î´ÕÒµ½ÒýÓÃÔ´¡£

34¡¢Ö´ÐÐÏÂÁÐÓï¾ä£ºfloat a; int b; a = b =24.5/5; printf(¡°%f,%d¡± , a, b); Êä³ö½á¹ûÊÇ ¡¾4.000000,4¡¿ 35¡¢ÈôxºÍn¾ùÊÇintÐͱäÁ¿£¬ÇÒxºÍnµÄ³õÖµ¾ùΪ5£¬Ôò¼ÆËã±í´ïʽx+=n++ºóxµÄֵΪ´íÎó£¡Î´ÕÒµ½ÒýÓÃÔ´¡££¬nµÄֵΪ´íÎó£¡Î´ÕÒµ½ÒýÓÃÔ´¡£

36¡¢Èôa=6,b=4,c=2£¬Ôò±í´ïʽ!(a-b)+c-1&&b+c/2µÄÖµÊÇ ¡£[1]

37¡¢µ±ÔËÐÐÒÔϳÌÐòʱ£¬´Ó¼üÅÌÊäÈë-1 0(±íʾ»Ø³µ)£¬ÔòÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ ¡£[m=4,n=2] #include main() { int a,b,m,n; m=n=1;

scanf(\ do{ if(a>0) {m=2*n; b++;} else{n=m+n; a+=2; b++;} }while(a==b); printf(\}

38¡¢CÓïÑԹ涨ÁËÒÔ×Ö·û[¡®\\0¡¯] ×÷Ϊ×Ö·û´®½áÊø±êÖ¾¡£

39¡¢Èç¹ûÒ»º¯ÊýÖ»ÔÊÐíͬһ³ÌÐòÎļþÖеĺ¯Êýµ÷Óã¬ÔòÓ¦Ôڸú¯Êý¶¨Òåǰ¼ÓÉÏ[static] ÐÞÊΡ£

40¡¢¶ÔÊý×éÔªËØµÄÒýÓ÷½·¨ÓÐϱ귨ºÍ[Ö¸Õë·¨] Á½ÖÖ¡£

41¡¢¶ÔÓÚ¡°int a[4];¡±¿ÉÀí½âΪÊý×éaÓÐ4¸öÔªËØ£¬Ã¿¸öÔªËØ¶¼ÊÇÕûÐÍÊý¾Ý£¬ÄÇô£¬¶ÔÓÚ¡°int *a[4];¡±µÄÀí½â¾ÍÊÇÊý×éa

ÓÐ4¸öÔªËØ£¬Ã¿¸öÔªËØ¶¼ÊÇ[Ö¸Õë±äÁ¿] ¡£

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42¡¢ÔÚCÓïÑÔÖУ¬°Ë½øÖÆÕûÐͳ£Á¿ÒÔ¡¾0¡¿ ×÷Ϊǰ׺¡£

43¡¢ÒÑÓж¨Òå :int x=0,y=0;, Ôò¼ÆËã±í´ïʽ :(x+=2,y=x+3/2,y+5) ºó , ±í´ïʽµÄÖµÊÇ ¡£¡¾8¡¿ 44¡¢ÏÂÃæ³ÌÐò¶ÎµÄÔËÐнá¹ûÊÇ ¡¾a=-5¡¿¡£ int i=1,a=0,s=1;

do{a=a+s*i; s=-s; i++;} while (i<=10); printf(\

45¡¢ÒªÊ¹Ö¸Õë±äÁ¿Óë±äÁ¿Ö®¼ä½¨Á¢ÁªÏµ£¬¿ÉÒÔÓÃÔËËã·û[*] À´¶¨ÒåÒ»¸öÖ¸Õë±äÁ¿ 46¡¢Éèint a[10],*p=a;Ôò¶Ôa[3]µÄÒýÓÿÉÒÔÊÇp[3]»ò [*(p+3)]¡£ 47¡¢CÓïÑÔ³ÌÐòÊÇÓÉ[º¯Êý] ¹¹³ÉµÄ¡£

48¡¢ÔÚCÓïÑÔ³ÌÐòÖУ¬Óùؼü×Ö ¡¾float¡¿¶¨Òåµ¥¾«¶ÈʵÐͱäÁ¿¡£ 49¡¢ÈômÊÇÒ»¸öÈýλÊý£¬ÔòʮλÊý×ÖΪ [m/10-m/100*10]¡£ 50¡¢int a=24; printf(\Êä³ö½á¹ûÊÇ ¡£[18]

51¡¢Éèx£¬y£¬z¾ùΪintÐͱäÁ¿£¬Çëд³öÃèÊö¡°x»òyÖÐÓÐÒ»¸öСÓÚz¡±µÄ±í´ïʽ ¡£ [x

52¡¢ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ ¡£[x=1,y=20] #include main() { int i,x,y; i=x=y=0; do {++i;

if(i%2!=0) {x=x+i;i++;} y=y+i++; } while (i<=7);

printf(\}

53¡¢ÐÎʽ²ÎÊýÒ²ÊÇ¡¾¾Ö²¿¡¿±äÁ¿¡£ 54¡¢ÒÔϳÌÐò #include

fun(int x, int y, int *cp, int *dp) { *cp=x+y; *dp=x-y; } main( ) { int a,b,c,d; a=30; b=50; fun(a, b, &c, &d); printf(\return 0; }

Êä³ö½á¹ûÊÇ ¡£ ¡¾80£¬-20¡¿ 55¡¢³ÌÐòmain()

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