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5£®¸ù¾ÝÒÔÏÂ˵Ã÷Óï¾ä£¬ÔòÏÂÃæµÄÐðÊöÖв»ÕýÈ·µÄÊÇ__D___¡£ struct student { int num;

char name[10]; int score; }stu;

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7£®ÒÔÏÂÄÄÖÖ·½·¨²»ÄܶÔһάÊý×é½øÐÐÕýÈ·µÄ³õʼ»¯_C¡¢B__¡£ A£®int a[ ]={1,2,3}; B£®int a[5]={ };

C£®int a[5]=(1,2,3,4,5); D£®int a[ ]={2,3,4*5,6};

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{ x=x*x; }while(!x);

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4£®Ö´ÐÐÒÔϳÌÐòºó£¬ÔËÐнá¹ûÊÇ__7.000000_____¡£ #include void main( ) { int a=2;

float n=5.888,b; b=a+(int)n;

printf(¡°%f\\n¡±,b);}

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2£®ÔÚÔËÐÐÒÔϳÌÐòʱ£¬ÊäÈë¡°Turbo C++ 3.0¡±£¬Ð´³ö³ÌÐòµÄÔËÐнá¹û¡£#include void main( ) { char str[40]; printf(\scanf(\puts(str);}

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3£®#include void f(int y) { static int i=5; int j=3; j++;

printf(¡°%d+%d+%d=%d\\n¡±,i,j,y,i+j+y); i*=2;}

void main( ) { int x;

for(x=1;x<=2;++x) f(x);}

5+4+1=10

4£®#include void swap(int *pa,int *pb) { int *p; p=pa; pa=pb; pb=p; } void main( )

{ int a=10,b=20; int *p1=&a,*p2=&b; if(a

10,20 £¿

ËÄ¡¢³ÌÐòÌî¿ÕÌ⣬½«ÏÂÃæ³ÌÐò²¹³äÍêÕû£¨10¸öÌî¿Õ£¬Ã¿¿Õ2·Ö£¬¹²20·Ö£©£º //ÀûÓú¯ÊýÐÎʽ£¬ÇóxÊý×éËùÓÐÔªËØµÄƽ¾ùÖµ²¢Êä³ö¡£ #include \void main( )

{ float avg,x[10]={1.2,3.6,4.5,5.1,6.9,7,8,9,10.5,11.3}; ¢Ùfloat average(float a[10]); avg=average(x);

printf(\}

float average(float a[10]) { int i;

float sum=0;

for(i=0;i<10;i++) sum=sum+a[i]; ¢Ú return(sum/10) ; }

//±àдһ¸ö¼ÆËã×Ö·û´®³¤¶ÈµÄº¯Êýlength¡£ #include \void main( ) { char str[20]; int m;

int length(char *p);

printf(\gets(str);

m=length(str) ;

printf(\}

int length(char *p) { int n=0;

while(*p!='\\0' ) { n++; p++; }

return n; } }

//ÊäÈë10¸öÕûÊý£¬°´Ã¿ÐÐ3¸öÊýÊä³öÕâЩÕûÊý£¬×îºóÊä³ö10¸öÕûÊýµÄƽ¾ùÖµ¡£ #include \void main( )

{ int i,n=10,a[10]; float avg=0;

for(i=0;i<10;i++) scanf(\for(i=0;i<10;i++) { if( i%3==0 ) printf(\

printf(\}

for(i=0;i<10;i++) avg=avg+a[i] ; avg=avg/10;

printf(\}

5£®½«×Ö·ûÊý×éÖдóд×Ö·û¸ÄΪСд×Ö·û£¬½«Ð¡Ð´×Ö·û¸ÄΪ´óд×Ö·û£¬ÀûÓÃÖ¸ÕëÍê³É¡£ #include ¡°stdio.h¡± void main( )

{ char str[30]=¡°Welcome to C Language¡±,*cp=str; while(*cp)

{ if(*cp>=?A?&&*cp<=?Z?) ¢Ù*cp=*cp+32 ;

else if(*cp>=?a?&&*cp<=?z?) *cp=*cp-32; ¢Úcp++ ; }

puts(str); }

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#include \void main() {

int a,b,c,t;

scanf(\if(a>b)

{t=a;a=b;b=t;} if(a>c)

{t=a;a=c;c=t;} if(b>c)

{t=b;b=c;c=t;}

printf(\}