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2024年3月26日发(作者:python调用pytorch)

课后练习题答案

Chapter 1

1.1 ×√×√√×√××√

1.2 b c

1.3 ad

1.4 semicolon printf math.h n

Chapter 2

2.1 ×√××√√×√××√×

2.2 typedef 255 external const

Chapter 3

3.1 ×√××√√×××√√√

3.2 integer modula 6 logical sizeof paratheses typeconversion precedence

3.3 F F T F F F

3.4 F T T T F

3.5 (b) (c)

3.6 0 -2 7 10.25 false 3 3 1

3.10 0 1 1 1 1

3.11

d

}

100

3.12

110

111

3.13 1

3.14 200

3.15 x<=y

3.16 TRUE

3.19

2

1

4

3.20

-40

40

Chapter 4

4.1 ×√√√√√××√√√×

4.2 %hd %x ctype.h %l %*d [^] blank 6 - %e

4.4 (a) scanf(“%d %c %d”, &a, &b, &c); (b)scanf(“%d %f %s”, &a, &b, &c);

(c) scanf(“%d-%d-%d”, &a, &b, &c); (d) scanf(“%d %s %d”, &a, &b, &c);

4.5 (a)10x1.230000 (b)1234x 1.23 (c)1234 456.000000 (d) “123.40 ”

(e) 1020 1222(乱码)

4.7 (a)1988 x (b)乱码 (c)120 乱码 (d)乱码 x

4.8 (a)1275 -235.740000

(b) 1275

-235.740000

(c) 0 0.000000

(d) 1275xxxx-235.74

(e)Cambridge

(f)1275 Cambridge

4.10 1988 无 无

Chapter 5

5.1 √×√××××××√

5.2 && switch break if-else x=y

5.4 (a)x = 2; y = 0; (b) x = 1; y = 0;

5.5 (a) if (grade <= 59)

if (grade >= 50)

second = second + 1;

(b) if (number > 100) printf(“out of range”);

else if (number < 0) printf(“out of range”);

else sum = sum + number;

(c)

if (T > 200) printf(“admitted”);

else if (M > 60)

{if (M > 60) printf(“admitted”);}

else printf(“not admitted”);

5.6 F T F T

5.8 (a) x > 10 (b) (x != 10)||(y ! = 5) || (z >= 0)

(c) (x + y != z) || (z > 5) (d) (x > 5) || (y != 10) || (z >= 5)

5.9 (a) x = 5; y = 10; z = 1 (b) x = 5; y = 10; z = 1

(c) x = 5; y = 0; z =0 (d) 无变化

5.10 (a) x= 0; y = 2; z = 0; (b) x = 1; y = 2; z = 0;

5.12 8

5.13 Delhi Bangalore END

5.14

2

4

4

8

5.15 0 0 2

5.16 25

5.17 Number is negative

5.18 ABC


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