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'C','g','f','D'};

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#include #include

void fltj(char str[],int a[]) { int ll,i; ll= (1)

for (i=0;i

} }

main()

{ static char str[60]; static int a[4]={0,0,0,0}; gets(str); fltj(str,a);

printf(\

str,a[0],a[1],a[2],a[3]); }

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? P?1n??x??((2n?1)?x?pn?1(x)?(n?1)?pn?2(x))/n

#include main()

{ float pn(); float x,lyd; int n;

scanf(\ lyd= (1)

(n?0)(n?1)(n?1)34

printf(\

}

float pn(float x,int n)

{ float temp;

if (n==0) temp= (2) else if (n==1) temp= (3) else temp= (4) return(temp);

}

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double fun(double x,int y) {int i£» double z£º

for(i=1£¬z=x£»i

}

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8¡¢ÏÂÁгÌÐòµÄÖ´Ðнá¹ûÊÇ #include void main( )

{ int x=1,a=2,b=3; switch(x)

{ case 1: a--; break; case 2: b++; break; case 3: a++;b++; }

printf(\}

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1. A 2. B 3. C 4. C 5. D 6. A 7. C 8. D 9. A 10. D 12. D 13. BC 14.. B 15. B

11. A 35

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¶þ¡¢ ¶Á³ÌÐòд½á¹û

1£® 17 2£® 2080

3£® X=3.600000,i=3 4£® 2,0

5£® X=2,y=%d 6£® 6,0,6,102 7£® 2,1

2,2

Èý¡¢ Ìî¿Õ

1£® ×Ö·û ÕûÊý 2£® ×ó ÓÒ

3£® ¸ñʽ˵Ã÷ ÆÕͨ×Ö·û 4£® (1) float area,girth;

(2) l*w (3) 2*(l+w)

(4) printf(¡°area=%f,girth=%f\\n¡±,area,girth); 5£® (1) #include ¡°stdio.h¡±

(2) int n (3) getchar() (4) c-?0? »òÕßc-48 (5) ¡°%c,%d\\n¡±

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36

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1£® 1,0,3 2£® 200 3£® 01 4£® 1 7 0

5£® It is B. It is C.other. 6£® a=2,b=1 Èý¡¢ Ìî¿Õ

1£® 0 2£® 1

3£® (1) y=2*x+3

(2)else if(x==0) (3)else

4£® (1) #include ¡°math.h¡±

(2) float a,b,c,s,s1

(3) (a+b>c)&&(b+c>a)&&(c+a>b) (4) sqrt(s1) (5) else 5£® (1) b!=0

(2) c!=0 (3) d>=0 (4) (2*a) (5) (2*a)

(6) pi=sqrt(-d)/(2*a) 6£® (1) switch(c)

(2) break (3) break (4) default

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1£® D 2£® A . 3£® B . 4£® C 5£® A 6£® D

¶þ¡¢ ¶Á³ÌÐòд½á¹û

1£® 1

2 3

2£® i=0,s=1

i=1,s=4 i=2,s=9

37

i=3,s=16 3£® m=4

m=10 m=22 m=46 m=94 4£® (1) quert

(2) rvfsu

(3) quert? 5£® <><><># 6£® a=5

7£® 2 5 8 11 14 8£® (0,0),

(1,0),(1,1), (2,0),(2,1),(2,2), (3,0),(3,1),(3,2),(3,3), 9£® ******

****** ******

****** ******

******

10£® 11 13 17 19 Èý¡¢ Ìî¿Õ

1£® switch¡¢Ñ­»· 2£® (1)s=0

(2)i=i+2 3£® (1) x<=9

(2) y<=9 (3) z=0 (4) z<=9 (5) x*100+y*10+z 4£® (1) n

(2) Tn+a (3) Sn+Tn (4) count++ 5£® (1) 10

(2) Sn+hn*2 (3) hn/2 6£® (1) 3

(2) 2*i (3) printf(¡°\\n¡±);

23

29

38

(4) i (5) 4-2*i 7£® (1) station

(2) i+1 (3) total+2

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1. C 2. D 3. D 4. A 5. C 6. D 7. A ¶þ¡¢ ¶Á³ÌÐòд½á¹û

1£® 1 0 2 2 5 7 13 2£® 2.20 3.30 4.40 5.50 6.60 1.10 3£® k=24 4£® sum=6 5£® 0

1 0

2 1 0

3 2 1 0 6£® -5 7£® ¡°BBB¡±

8£® ûÓÐÊäÈëÊý¾Ý Èý¡¢ Ìî¿Õ

1£® ÀàÐÍ

2£® (1) int i,p

(2) p=i

(3) printf(¡°%d\\n¡±,p); 3£® (1) #include ¡°math.h¡±

(2) a[i]/20 (3) s=fabs(a[i]-pjz); (4) printf(¡°%f,%f\\n¡±,pjz,t); 4£® (1) x<4

(2) y<3 (3) z==3 5£® (1) N/2

(2) a[N-1-k] (3) a[N-1-k] (4) k

6£® (1) str[i]!=?\\0?

(2) k (3) k 7£® (1) s[i]

(2) strcmp(s[i],str) 8£® (1) i*3+j*5

20 39

(2) break (3) s!=a[k] (4) k

(2) printf(¡°\\n¡±) (3) a[i][0] (4) a[k][j]

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1. A 2. A 3. A 4. B 5. D 6. B 7. B 8.C 9.B 10.C 11.B ¶þ¡¢ ¶Á³ÌÐòд½á¹û

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1£® (1) i

(2) pp=0;

(3) sum+prime(a[i]); 2£® (1) strlen(str);

(2) str[i]>=?A? && str[i]<=?Z? || str[i]>=?a? && str[i]<=?z? (3) str[i]>=?0? && str[i]<=?9? (4) str[i]= =? ? 3£® (1) pn(x,n);

(2) 1; (3) x;

(4) ((2*n-1)*x*pn(x,n-1)-(n-1)*pn(x,n-2))/n;

4. x

6¡¢ÏÂÁгÌÐòµÄÖ´Ðнá¹ûÊÇ main()

{ int A, B, C, T;

12.B 13 .A 40

A=3; B=2; C=1; T=B; A=B; B=C; C=A; A=T;

printf(\} }

printf(\ }

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