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putchar(ch);

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char level; //³É¼¨µÈ¼¶ float score; //¿¼ÊԳɼ¨ scanf(¡°%f¡±,&score); switch( ) { :level=?A?; ;

case 8: level=?B?;break; case 7: level=?C?; break; case 6: level=?D?; break; default: ; }

printf(¡°¿¼ÊԳɼ¨µÈ¼¶Îª£º .¡±,level);

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1£®!(·Ç) = 2£®a>1&&a<4 3£®n%3!=0 4£® char ch;

ch= getchar() ; if(ch>=¡¯A¡¯&& ch<='T' ) ch=ch+6; else if(ch>='U'&&ch<='Z' ) ch=ch-20; putchar(ch);

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5£®char level; //³É¼¨µÈ¼¶

float score; //¿¼ÊԳɼ¨ scanf(¡°%f¡±,&score); switch(int(score/10) ) { case 10: case 9 :level=?A?; break ;

case 8: level=?B?;break; case 7: level=?C?; break; case 6: level=?D?; break; default: level='E' ; }

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{ float a,b,c,s,area;

printf(\ÇëÊäÈëÈý½ÇÐÎÈý±ß³¤£º\ scanf(\

if(a+b>c&&b+c>a&&a+c>b) { s=(a+b+c)/2;

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area=sqrt(s*(s-a)*(s-b)*(s-c));

printf(\Èý½ÇÐεÄÃæ»ýΪ:%.2f\\n\ } else }

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#include void main( ) { int x,f; printf(\ÇëÊäÈëxÖµ:\ scanf(\ if(x>10) }

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#include void main( ) {

char ch;

printf(\ÇëÊäÈëÒ»¸ö×Ö·û:\ch=getchar(); if(ch>='0'&&ch<='9') else

if(ch>='A'&&ch<='Z'||ch>='a'&&ch<='z') printf(\¸Ã×Ö·ûΪ×Öĸ.\\n\

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f=-10; if(x>=-10) f=0; f=10; else else printf(\

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double bmi,w,h;

printf(\ÇëÊäÈëÉí¸ß(Ã×):\scanf(\

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printf(\Ö¸ÊýΪ%.1f,ÄúµÄÉíÌå״̬ΪÏûÊÝ.\\n\

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