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main()

{

int a,b,num1,num2,temp;

printf(\

scanf(\

if(num1 { temp=num1;

num1=num2;

num2=temp;

}

a=num1;b=num2;

while(b!=0)/* ÀûÓÃÕ·³ý·¨£¬Ö±µ½ b Ϊ 0 Ϊֹ*/

{

temp=a%b;

a=b;

b=temp;

}

printf(\

printf(\

}

==============================================================

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1. ³ÌÐò·ÖÎö£ºÀûÓà while Óï¾ä, Ìõ¼þΪÊäÈëµÄ×Ö·û²»Îª '\\n'.

#include \

main()

{char c;

int letters=0,space=0,digit=0,others=0;

printf(\

{

while((c=getchar())!='\\n')

if(c>='a'&&c<='z'||c>='a'&&c<='z')

letters++;

else if(c==' ')

space++;

else if(c>='0'&&c<='9')

digit++;

else

others++;

}

printf(\

}

space,digit,others);

==============================================================

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2+22+222+2222+22222(´Ëʱ

1. ³ÌÐò·ÖÎö£º¹Ø¼üÊǼÆËã³öÿһÏîµÄÖµ¡£

2. ³ÌÐòÔ´´úÂ룺

main()

{

int a,n,count=1;

long int sn=0,tn=0;

printf(\

scanf(\

printf(\

while(count<=n)

{

tn=tn+a;

sn=sn+tn;

a=a*10;

++count;

}

printf(\

}

==============================================================

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±à³Ì

ÕÒ³ö 1000 ÒÔÄÚµÄËùÓÐÍêÊý¡£

2. ³ÌÐòÔ´´úÂ룺

main()

{

static int k[10];

int i,j,n,s;

for(j=2;j<1000;j++)

{

n=-1;

s=j;

for(i=1;i

if((j%i)==0)

{ n++;

s=s-i;

k[n]=i;

}

}

if(s==0)

{

printf(\

for(i=0;i printf(\

printf(\

}

}

{