《C语言学习知识程序设计》阅读程序写结果试题汇总.doc

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1、-阅读程序写结果试题第四章 选择结构 （共20道题）1. （于蕾）#include void main( ) int x,y,t;x=7;y=9;if(xy) t=x;x=y;y=t;printf(%d,%dn , x,y );运行结果：9,72. （于蕾）#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(na=%d,b=%dn,a,b);运行结果：a=1,b=33. （于蕾）#include void main( ) char

2、 ch1 = E; if(ch1 = A) ch1+; else ch1+=32; printf(ch1 = %cn, ch1);运行结果：ch1= F 4. （于蕾）#include void main( ) int x,y,t;x=5;y=3;if(xy) t=x;x=y;y=t;printf(%d,%dn , x,y );运行结果：3,55. （王伟）#include int main()int a,b,c,m;printf(Enter three integers:);scanf(%d%d%d,&a,&b,&c);if(a=b)m=a;elsem=b;if(cm)m=c;printf(

3、m=%dn,m);return 0;输入：21 22 23运行结果：m=216. （王伟）#include int main()char ch1=a,ch2=B,ch3=E;if(ch1ch2)if(ch2ch3)ch3+;else-ch3;printf(ch3=%cn,ch3);return 0;运行结果：ch3=D7. （王伟）#include int main()float x,y;scanf(%f,&x);switch(int)x/10)case 0: y=1.0;printf(y=%fn,y);break;case 1: y=2*x+1;printf(y=%fn,y);break;c

4、ase 2: y=3*x*x+2;printf(y=%fn,y);break;default:printf(No definition.n); return 0;输入：15.3运行结果：y=31.6000008. （王伟）#include int main()char ch1=A,ch2=B;switch(ch1)case A:switch(ch2)case B: printf(Good!n);break;case A: printf(Better!n);break;case B: printf(Best!n); break;return 0;运行结果：Good!Best!9 （王锋）#inc

5、lude void main() float score;score = 100;if (score60) printf(En); else switch( ( int ) score / 10 ) case 10: case 9: printf(An); case 8: printf(Bn); case 7: printf(Cn); break; case 6: printf(Dn); break; default: printf(Errorn); 运行结果：ABC10 （王锋）#include void main()int i=0，a=2；if(i=0)printf(“*”)；elsepr

6、intf(“$”)；printf(“*”)；运行结果：*11. （王锋）#include void main()int m=10,n=0,p=4,q=20;if (m) if (n) q=15-m;else q=25+m;else if (p) q=q+p;printf(“q=%dn”,q); 运行结果：q=3512. （王锋）#includevoid main()int a=1,b=0;switch(a)case 1: switch (b)case 0: printf(“*0*”); break; case 1:printf(“*1*”);break;case 2: printf(“*2*”

7、);break;运行结果：*0*2*13. （宋昕）#includeint main( ) int a=2,b=7,c=5; switch (a0) case 1: switch (b0) case 1: printf(); break ; case 2: printf(!); break ; case 0: switch (c=5) case 1: printf(*) ; break ; default : printf(#) ; break ; default : printf(&); printf(n); return 0;运行结果：*&14. （宋昕）#includeint main(

8、) int a=0,b=1,c=0,d=20; if(a) d=d-10; else if (!b) if(!c) d=15; else d=25; printf(d=%dn,d); return 0;运行结果：d=2015. （宋昕）#includeint main() int a=1; switch(a) case 0: printf(*0*);break; case 1:printf(*1*);break; case 2:printf(*2*);break; return 0;运行结果：*1*16. （宋昕）#include int main() int x, y; scanf(%d,&

9、x); y = x12 ? x + 10 : x - 12; printf(%dn, y); return 0;输入：12运行结果：017. （宋昕）#include int main() float x, y; char op; double r; scanf(%c%f%f,&op,&x,&y); switch(op) case +: r = x + y; break; case -: r = x - y; break; case *: r = x * y; break; case /: r = x / y; break; printf(%.1f, r); return 0;输入：3.5运行

10、结果：0.618. （王勇超）#include stdio.hvoid main( ) int a=7; if(a9 | a10) a=a/3; else a=a%3; printf(a=%d, a);运行结果：a=219. （王勇超）#includevoid main() int a=20; switch(a%3) case 0: printf(0); case 1: printf(1); case 2: printf(2); default: printf(3); printf(4);运行结果：23420. （王勇超）#include void main()int a=2,b=5,c=8,

11、t;if ( a b ) t = a; a = b; b = t; if ( b c ) t = b; b = c; c = t; if ( a b ) t = a; a = b; b = t; printf( %d,%dn, a+, -c );运行结果：8,1第五章 循环结构 共20道题1. （于蕾)#include void main() int number , digit; number = 1234; while ( number != 0 ) digit = number%10 ;printf( %d , digit ) ;number = number / 10 ;运行结果：43

12、212. （于蕾)#include #define N 5void main( )int i; for(i=1;iN;i+) printf(%dn,i*i);运行结果：149163. （于蕾)#includevoid main( ) int i,s,x; s=0; x=15; for(i=1;i=5;i+) if (x%i=0)s= s + i; printf(i=%d,s=%dn,i,s);运行结果：i=6,s=94. （于蕾)#include void main()int counter=1; while(counter = 5) printf(%d n, counter ); count

13、er+;运行结果：123455 （王伟）#includeint main()int i,sum,m,a;sum=0;m=5;for(i=0;im)sum+=a;printf(sum=%dn,sum);return 0;输入：2 10 8 3运行结果：sum=186. （王伟）#includeint main()int i,j,k;for(i=1;i=4;i+)for (j=1;j5-i;j+)printf( );for(k=1;k=i;k+)printf(*);printf(n);return 0;运行结果： * * *7. （王伟）#include int main()int i,j;i=1

14、;while(i5)for(j=1;j2*i+1;j+)printf(%c,#);printf(n);i+;return 0;运行结果：#8. （王伟）#include int main()int i=10,m=0,n=0;doif(i%2!=0)m=m+i;elsen=n+i;i-;while(i=0);printf(m=%d,n=%dn,m,n);return 0;运行结果：m=25,n=309 （王锋）#include void main() int sum=0,n; scanf(%d,&n); while(n=5) sum+=n; n+;printf(sum=%d,sum);输入：1运

15、行结果：sum=1510 （王锋）#include void main()int i, j;for(i=2;i=0;i-)for(j=1;j=i;j+)printf(*);for(j=0;j=2-i;j+)printf(!);printf(n);运行结果：*!*!11 （王锋）#include void main()int a,b;for(a=1,b=1;a20) break;if(b%4=1)b=b+4;continue;b=b-5;printf(a=%dn,a);运行结果：a=612 （王锋）#include void main( )char k; int i; for(i=1;i3;i+

16、) scanf(%c,&k); switch(k) case 0: printf(anothern);case 1: printf(numbern);输入：01运行结果：anothernumbernumber13. （宋昕）#include int main() int i, s = 0; for(i = 1; i 10) break; printf(i=%d, s=%dn, i, s);return 0; 运行结果：i=3, s=14 14. （宋昕）#include void main()char ch;while(ch=getchar()!=n) if (ch=A&ch=a&ch=z)c

17、h=ch-32;printf(%c,ch);输入：ABCdef运行结果：abcDEF15. （宋昕）#include int main () int a, b; for (a = 1, b = 1 ; a = 9) break; if (b % 3 = 1) b += 3 ; continue ; b -= 5; printf(%d,%dn, a, b); return 0;运行结果：4,1016. （宋昕）#includeint main () int i = 0,j = 0; while (i 10) i+; while (j+ 10) ; printf(i=%d,j=%dn,i,j);r

18、eturn 0;运行结果：i=10,j=1117. （王勇超）#include stdio.hvoid main( ) int i,j,t; for(i=1,j=10;i 4 ); 运行结果：01010119 （王勇超）#include stdio.hvoid main() int i=7,j; while ( i 2) j = i%2;printf( %d,j );i-; printf( %d,i ); 运行结果：10101220. （王勇超）#include void main()int i,j,t=0;for(i=3;i0;i-)for(j=0;j4;j+)t+=j;printf(t=%

19、d,t);运行结果：t=18第六章 函数 共40道题1. （王伟）#include long fun(int x,int n);int main()int x=3,n=3;long p;p=fun(x,n);printf(p=%ldn,p);return 0;long fun(int x,int n)int i;long p=1; for(i=0;in;i+)p*=x; return p;运行结果：p=272. （王伟）#include int isDigit(char ch);int main()char ch;while(ch=getchar()!=n)if(isDigit(ch)putc

20、har(ch);printf(n);return 0;int isDigit(char ch)if(ch=0 & ch=9)return 1;elsereturn 0;输入：Abc1d23eF45g运行结果：123453. （王伟）#include void odddivisor(int n);int main()int n;scanf(%d,&n);odddivisor(n);return 0;void odddivisor(int n)int i;for(i=3;i=n/2;i=i+2)if(n%i=0)printf(%5d,i);printf(n);输入：15运行结果： 3 54. （王

21、伟）#include void print();int a=5;int main()int a=1,b=2;a=a+b;print();printf(%d %dn,a,b);return 0;void print()int b=3;printf(%d %dn,a,b);运行结果：5 33 25. （王伟）#include int fun1(int x);void fun2(int x);int main()int x=1;x=fun1(x);printf(%dn,x);return 0;int fun1(int x)x+;fun2(x);return x;void fun2(int x)x+;

22、运行结果：26. （王伟）#include int fun1(int a,int b,int c);int main()int a=11,b=21,c=31;fun1(a,b,c);printf(%d %d %dn,a,b,c);return 0;int fun1(int a,int b,int c)a=a+10;b=b+10;c=c+10;return c;运行结果：11 21 317. （王伟）#includevoid fun(int x);int main()fun(7);printf(n);return 0;void fun(int x)if(x/21)fun(x/2);printf(

23、%5d,x);运行结果： 3 78. （王伟）#include void fun(int a);int main()int i,a5=1,2,3;fun(a);for(i=0;i5;i+)printf(%5d,ai);printf(n);return 0;void fun(int a)int i;for(i=0;i5;i+)ai+=5;运行结果： 6 7 8 5 59.（于蕾）#include void fun ( int k ) ;void main ( ) int w = 5 ; fun ( w ) ; printf ( n ) ;void fun ( int k ) if ( k0 )

24、fun ( k-1 ) ; printf ( %d , k ) ;运行结果：01234510. （于蕾）#includevoid f1(void);int a=1;void main( )int a=2;f1();int a=3;printf(a2=%dn,a);printf(a3=%dn,a);void f1(void)printf(a1=%dn,a);运行结果：a1=1a2=3a3=211. （于蕾）#includevoid f(int a, int b, int *c)a=20; b=10; *c=a+b; void main()int a=10,b=20,c=30,d=40; f(a,

25、b,&c); printf(%d,%d,%dn,a,b,c);运行结果：10,20,3012. （于蕾）#includevoid swap(int a,int b);void main()int a=2,b=3;printf(a=%d,b=%dn,a,b);swap(a,b);printf(a=%d,b=%dn,a,b);void swap(int a,int b)int c;c=a;a=b;b=c;运行结果：a=2,b=3a=2,b=313. （于蕾）#include void fun(int a,int b,int c);void main()int x=10,y=20,z=30; fun

26、(x,y,z);printf(%d,%d,%dn,x,y,z);void fun(int a,int b,int c)a=456;b=567;c=678;运行结果：10,20,3014. （于蕾）#include float f(int n) int i;float s=0.0; for(i=1;in;i+) s=s+(float)1.0/i; return s;void main()int i;float a=0.0; for(i=1;i3;i+) a=a+f(i); printf(a=%.4fn, a);运行结果：a=1.000015. （于蕾）#include int f(int a);

27、void main()int a=2,i;for(i=0;i3;i+)printf(%d,f(i);int f(int a)int b=0,c=3;b+;c+;return(a+b+c);运行结果：56716. （于蕾）#includeint fun();void main() int i,x; for(i=0;i=2;i+) x=fun(); printf(%dn,x); int fun()int x=3;x+;return x;运行结果：417. （王锋）#include float add(float x,float y); void main( ) float a,b,c; a=1.0

28、; b=2.0; c=add(a,b); printf(%fn,c);float add(float x,float y)float z;z=x+y;return(z); 运行结果：3.00000018. （王锋）#includevoid fun(int x, int cp, int dp) cp=x+; dp=+x; void main(void) int a,c=80, d=-20;a=30; fun(a,c,d);printf(%d,%dn, c,d);运行结果：80,-2019. （王锋）#include int f(int a,int b);void main()int i=2,p;

29、p=f(i,i+1);printf(%dn,p);int f(int a,int b)int c;if(ab)c=1;else if (a=b)c=0;else c=-1;return (c);运行结果：-120. （王锋）#include int fun(int n)if(n= =1) return 1;else return fun(n-1)+3;void main()int i,j=0;for(i=1;i4;i+)j=j+fun(i);printf(j=%dn,j);运行结果：j=1221. （王锋）#include void f(int x,int y)int t;if(xy)t=x;

30、x=y;y=t;void main()int a=4,b=3,c=5; f(a,b); f(a,c); f(b,c);printf(%d,%d,%d,a,b,c);运行结果：4,3,522. （王锋）#includeint age(int n)int c; if(n=1) c=10;else c=age(n-1)+2;return(c);void main()printf(%d,age(5);运行结果：1823. （王锋）#include void hello_world(void)printf(Hello, world!n);void three_hellos(void)int counte

31、r;for (counter =1;counter = 3;counter+)hello_world();void main(void)three_hellos();运行结果：Hello, world!Hello, world!Hello, world!24. （王锋）#include int f(int a,int b); void main() int x,i=1,k=3; x=f(i,k); printf(x=%d n,x); int f(int a,int b) int M=0; while(b!=0) M=M+a; b-; return M; 运行结果：x=3;25. （宋昕）#includef(int b ,int m,int n) int i,s = 0; for(i = m;i n;i+) s += bi; return s;