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#include void main() {

int x,y,z,t;

scanf(\ if (x>y)

{t=x;x=y;y=t;} /*½»»»x,yµÄÖµ*/ if(x>z)

{t=z;z=x;x=t;} /*½»»»x,zµÄÖµ*/ if(y>z)

{t=y;y=z;z=t;} /*½»»»z,yµÄÖµ*/ printf(\ }

2¡¢ Çó½âÒ»Ôª¶þ´Î·½³Ìax2+bx+c=0¡£

#include #include void main() { double a,b,c,deta,x1,x2; printf(\ scanf(\ if(fabs(a)>1e-6) { deta=b*b-4*a*c; if(deta>0) { x1=-b/(2*a)+sqrt(deta)/(2*a); x2=-b/(2*a)-sqrt(deta)/(2*a);; printf(\ÓÐÁ½¸ö²»Í¬µÄʵ¸ù£ºx1=%.2f ,x2=%.2f\\n\ } else if(deta==0) { x1=x2=-b/(2*a); printf(\ÓÐÁ½¸öÏàͬµÄ¸ù£ºx1=x2=%.2f\\n\ } else { x1=-b/(2*a); x2=sqrt(-deta)/(2*a); printf(\ÓÐÁ½¸öÐé¸ù:x1=%.2f + %.2f*i£¬x2=%.2f - %.2f*i\\n\ } } else printf(\¶þ´ÎÏîϵÊýΪ0£¬²»ÊÇÒ»Ôª¶þ´Î·½³Ì!\}

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#include void main() { double capital,total,interest; int deadline; printf(\ scanf(\ if(deadline>=8) { interest=0.00420*capital*12*deadline; total=capital+interest; printf(\ Total: %.3f\\n\ } else if(deadline>=5 && deadline<8) { interest=0.00375*capital*12*deadline; total=capital+interest; printf(\ Total: %.3f\\n\ } else if(deadline>=3 && deadline<5) { interest=0.00345*capital*12*deadline; total=capital+interest; printf(\ Total: %.3f\\n\ } else if(deadline==2) { interest=0.00330*capital*12*deadline; total=capital+interest; printf(\ Total: %.3f\\n\ } else if(deadline==1) { interest=0.00315*capital*12*deadline; total=capital+interest; printf(\ Total: %.3f\\n\ } else printf(\}

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#include void main( ) { long a,b,c,d,e,x; scanf(\ a=x/10000; /*·Ö½â³öÍòλ*/ b=x000/1000; /*·Ö½â³öǧλ*/ c=x00/100; /*·Ö½â³ö°Ùλ*/ d=x0/10; /*·Ö½â³öʮλ*/ e=x; /*·Ö½â³ö¸öλ*/ if (a!=0) printf(\ else if (b!=0) printf(\ else if (c!=0) printf(\ else if (d!=0) printf(\ else if (e!=0) printf(\

}

5¡¢¼ÆËãÆ÷³ÌÐò¡£Óû§ÊäÈëÔËËãÊýºÍËÄÔòÔËËã·û£¬Êä³ö¼ÆËã½á¹û¡£ #include void main() { float a,b; char c; printf(\ scanf(\ switch(c) { case '+': printf(\ case '-': printf(\ case '*': printf(\ case '/': printf(\ default: printf(\ } }

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90~100 A 80~89 B 70~79 C 60~69 D ²»¼°¸ñ E

#include void main() { int score; char grade; printf(\ scanf(\ if(score<=100 && score>=0) { switch(score/10) { case 10: case 9:grade='A';break; case 8:grade='B';break; case 7:grade='C';break; case 6:grade='D';break; default:grade='E';break; } printf(\ , Gread: %c\\n\ } else printf(\}

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#include void main() { int n1,n2,n3,n; printf(\ËùÓпÉÄܵÄ×éºÏΪ£º\\n\ printf(\¹«¼¦ ĸ¼¦ С¼¦\\n\ n=0; for(n1=1;n1<=33;n1++) for(n2=1;n2<=20;n2++) for(n3=1;n3<=33;n3++) { if((n1+n2+n3==30)&&(3*n1+5*n2+3*n3==100)) { printf(\ n++; if(n%4==0) printf(\ } } printf(\¹²ÓÐ%dÖÖ¿ÉÄܵÄ×éºÏ¡£\\n\}

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#include \void main() {int i,j,result;

for (i=1;i<10;i++) { for(j=1;j<10;j++) {

result=i*j;

printf(\±íʾ×ó¶ÔÆë£¬Õ¼3λ*/ }

printf(\ÿһÐкó»»ÐÐ*/ } }

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long f1,f2; int i; f1=f2=1;

for(i=1;i<=20;i++)

{ printf(\

if(i%2==0) printf(\ /*¿ØÖÆÊä³ö£¬Ã¿ÐÐËĸö*/

f1=f1+f2; /*ǰÁ½¸öÔÂ¼ÓÆðÀ´¸³Öµ¸øµÚÈý¸öÔÂ*/ f2=f1+f2; /*ǰÁ½¸öÔÂ¼ÓÆðÀ´¸³Öµ¸øµÚÈý¸öÔÂ*/ } }

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