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2.ÏÂÁгÌÐòÖ´ÐкóµÄÊä³ö½á¹ûÊÇ( )¡£ #include void main()

{ char arr[2][4];

strcpy(arr,¡°you¡±); strcpy(arr[1],¡°me¡±); arr[0][3]=¡®&¡¯;

printf(¡°%s\\n¡±,arr); }

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{ int n[5]={0,0,0},i,k=2; for(i=0;i

printf(¡°%d\\n¡±,n[k]); }

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{ int a[3][3]={{1,2},{3,4},{5,6}},i,j,s=0; for(i=1;i<3;i++) for(j=0;j

printf(¡°%d\\n¡±,s); }

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5.µ±Ö´ÐÐÏÂÃæµÄ³ÌÐòʱ£¬Èç¹ûÊäÈëABC£¬ÔòÊä³ö½á¹ûÊÇ( #include #include void main()

{ char ss[10]=¡±1,2,3,4,5¡±;

gets(ss);strcat(ss,¡±6789¡±);printf(¡°%s\\n¡±,ss); }

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f(int b[ ],int m,int n) { int i,s=0;

for(i=m;i

{ int x,a[ ]={1,2,3,4,5,6,7,8,9}; x=f(a,3,7);

printf(¡°%d\\n¡±,x); }

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7.ÒÔϳÌÐòÖк¯Êýsort()µÄ¹¦ÄÜÊǶÔÊý×éaÖеÄÊý¾Ý½øÐÐÓÉ´óµ½Ð¡µÄÅÅÐò¡£ #include

void sort(int a[ ],int n) { int i,j,t;

for(i=0;i

{t=a[i];a[i]=a[j];a[j]=t;}

}

void main()

{ int aa[10]={1,2,3,4,5,6,7,8,9,10},i; sort(&aa[3],5); for(i=0;i<10;i++)

printf(¡°%d,¡±,aa[i]); printf(¡°\\n¡±); }

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#include #include void main()

{ char a[ ]={¡®a¡¯,¡¯b¡¯,¡¯c¡¯,¡¯d¡¯,¡¯e¡¯,¡¯f¡¯,¡¯g¡¯,¡¯h¡¯,¡¯\\0¡¯}; int i,j;

i=sizeof(a);j=strlen(a); printf(¡°%d,%d\\n¡±,i,j); }

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void reverse(int a[ ],int n) { int i,t;

for(i=0;i

{t=a[i];a[i]=a[n-1-i];a[n-1-i]=t;} }

void main()

{ int b[10]={1,2,3,4,5,6,7,8,9,10}; int i,s=0; reverse(b,8);

for(i=6;i<10;i++) s+=b[i];

printf(¡°%d\\n¡±,s); }

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A£©22 B£©10 C£©34 D£©30 10.ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ( )¡£ #include #include void main()

{ char str[12]={¡®s¡¯,¡¯t¡¯,¡¯r¡¯,¡¯i¡¯,¡¯n¡¯,¡¯g¡¯}; printf(¡°%d\\n¡±,strlen(str)); } A£©6 B£©7 C£©11 D£©12

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(3)int a[3]={1}; (4)int i;

(5)scanf(¡°%d¡±,&a);

(6)for(i=1;i<3;i++) a[0]=a[0]+a[i]; (7)printf(¡°%f\\n¡±,a[0]); (8)}

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15.ÈôÓÐ˵Ã÷£ºint a[ ][3]={1,2,3,4,5,6,7};,ÔòaÊý×éµÚһάµÄ´óСÊÇ( A£©2 B£©3 C£©4 D£©ÎÞÈ·¶¨Öµ 16.¶ÔÁ½¸öÊý×éaºÍb½øÐÐÈçϳõʼ»¯£º char a[ ]=¡±ABCDEF¡±;

char b[ ]={¡®A¡¯,¡¯B¡¯,¡¯C¡¯,¡¯D¡¯,¡¯E¡¯,¡¯F¡¯}; ÔòÒÔÏÂÐðÊöÕýÈ·µÄÊÇ( )¡£

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char a[3],b[ ]=¡±china¡±; a=b;

printf(¡°%s¡±,a); Ôò( )¡£

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18.ÅжÏ×Ö·û´®s1ÊÇ·ñ´óÓÚ×Ö·û´®s2£¬Ó¦Ê¹ÓÃ( )¡£ A£©if(s1>s2) B£©if(strcmp(s1,s2)) C£©if(strcmp(s2,s1)>0 D£©if(strcmp(s1,s2)>0) 19.ÏÂÃæ³ÌÐòµÄÔËÐнá¹ûÊÇ( )¡£ #include void main()

{ char ch[7]={¡°12ab56¡±}; int i,s=0;

for(i=0;ch[i]>=¡¯0¡¯&&ch[i]<=¡¯9¡¯;i+=2) s=10*s+ch[i]-¡®0¡¯; printf(¡°%d\\n¡±,s); }

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