C语言基础试题

1 c A C B C main C C main D C main 2 C c A B C main D 3 C B A B Main C D 4 C B A B C D 5 C C A B C D 6 C A A main main B C main D main 7 C A C main B C C C D C 8 D A C B C main C C D C 9 C main C A B C D 10 C B A B C D 1 2 C 3 C MAIN 4 C 1 C Very good 2 a b c 2 1 B A 2 B 3 C 4 D 2 A A N S B C C QBASIC InterDev D 1 2 3 3 1 int b 2 b b 2 A A 0 B 0 5 C 0 500000 D 0 000000 2 int a 1 b 2 c 3 d 4 m 2 n 2 m a b n c d m A A 1 B 2 C 3 D 0 3 a b c 2 a b c A A 6 B 9 C 8 D 4 X Y Z C A A X Y Y Z B X Y AND Y Z C X Y Z D X Y Y Z 5 4 C A int i 0 j 1 i 3 j 1 B int i 0 j 1 j 1 i 1 i 3 C int i 1 j 1 i j 2 D int i 1 j 0 j i i 3 2 6 a 3 5 a 5 a 5 B A 20 B 80 C D 15 7 a b c 1 a b c a b c A A 2 1 1 B 2 2 1 C 1 2 1 D 1 1 2 8 A x A x 2 0 B x 2 0 C 2 x 2 x 0 D x 2 9 C E A B C D E 10 x y double x 1 y x 3 2 D A 1 B 2 C 2 0 D 2 5 11 char a int b float c double d a b d c D A float B int C char D double 12 char cl b c2 e printf d c n c2 c1 c2 a A B A 2 M B 3 E C 2 E D 13 printf d n 1212 B A 12 B 1 C 24 D 0 14 A 3 B 4 printf d d A B B A B A 3 4 B 4 3 C 3 3 D 4 4 15 x y int x 100 y 200 printf d x y A A 200 B 100 C 200 100 D 16 10 9 D A true B C 0 D 1 17 main int A float B C scanf 2d 3f 4f A B C printf nA d B f C f n A B C 9876543210 B A A 98 B 765 C 4321 B A 10 B 765 000000 C 4321 000000 C A 98 B 765 0 C 4321 0 D 18 char str 20 a b c o int len strlen str len C A 20 B 4 C 3 D 3 4 20 19 x i j k int x C x i 4 j 16 k 32 A 4 B 16 C 32 D 52 20 C A A define IF type B getc char printf C include scanf case D while go pow 21 C B A auto enum include B switch typedef continue C signed union scanf D if struct type 22 C C A B C D 23 B A 160 0 12 e3 B 123 2e4 2 e5 C 18 123e4 0 0 D e3 234 1e3 24 A int k a b unsigned long w 5 double x 1 42 C A x 3 B w 2 C k a 2 b 3 a b D a a b 4 a 3 25 D A C B C APH aph C a b a b b a b D 26 int a 7 float x 2 5 y 4 7 x a 3 int x y 2 4 A A 2 500000 B 2 750000 C 3 500000 D 0 000000 27 a f i 10 a i f C A int B float C double D 28 C A B C D 29 exp a b exp B A exp 0 B exp 0 C exp 1 D exp 1 30 i nt x 1 y 1 x y B A 0 B 1 C 2 D 1 1 This is a string 2 a a 12 1 a a 24 2 a a 0 3 a a a 0 4 a a a a 0 3 1 x a 3 int x y 2 4 2 5 x 2 5 a 7 y 4 7 2 float a b 2 int x int y 3 5 a 2 b 3 x 3 5 y 2 5 4 include void main int i j k 10 i j k 0 j i j printf 2d 2d n i j 1 0 k i j printf 2d 2d 2d n i j k 1 1 0 5 main char st A int i 10 st st i i st i printf C d n st i A ASCII 65 K 5 6 a 2 b 5 a b a b 9 7 C 8 a ASCII 97 ch ch a 8 3 f 9 x y double x 3 0 y 2 0 pow y fabs x 8 0 10 int e 1 f 4 g 2 float m 10 5 n 4 0 k k e f g sqrt double n 1 2 g m k 13 7 4 1 c 5 9 F 32 B A main float c F scanf f f c F c 5 9 F 32 printf f n c B main float c F scanf f f c F c 5 F 32 9 printf f n c C main float c F scanf f f c F c 5 9 F 32 printf f n c D main float c F scanf f f c F c 5 0 9 0 F 32 printf f n c 2 C main int a 12 b 12 printf d d n a b A 10 10 B 12 12 C 11 13 D 11 10 3 main0 int y 3 x 3 z 1 printf d d n x y z 2 D A 3 4 B 4 2 C 4 3 D 3 3 4 a 10 a 0 C D A a 10 or a 0 B a 0 a 10 C a 10 a 0 D a 0 a 10 5 C main double d 3 2 int x y x 1 2 y x 3 8 5 0 printf d n d y A 3 B 3 2 C 0 D 3 07 1 inc lude main char c1 c2 1 scanf c c1 printf c d n c1 c1 2 c2 c1 32 printf c d n c2 c2 2 include main int a b scanf d d a b printf a d b d n a b a a b b a b a a b printf a d b d n a b 3 K 5 main char st A int i 10 st st i i st i printf c d n st i A ASCII 65 1 scanf year 2 datesum printf datesum 1 2 3 include stdio h void main int year datesum clrscr Printf Scanf d year Datesum year 400 0 year 4 0 year 100 0 29 28 Printf n d d year datesum 2 256 1 2 0 79 1001111 01001111 3 54 96 175 233 255 include stdio h include math h void main int number b i n 0 long result 0 p clrscr printf 0 256 scanf d number p 1 Printf n d number do b number 2 result result p b p p 10 n number number 2 While number 0 For i 8 in i Printf 0 Printf ld B result 5 1 C main int a 1 b 1 if a 0 b 0 printf d d n a b else printf d d n b a A 1 1 B 0 1 C 1 0 D 0 0 2 6 4 A main int x scanf d x if x 5 printf d x else printf d n x A 7 5 B 6 3 C 7 4 D 6 4 3 3 4 B main int a b s scanf d d a b s a if a b s b s s s printf d n s A 14 B 16 C 18 D 20 4 D main in t x 3 y 0 z 0 if x y z printf else printf A B C D 5 if a 0 D A a 0 B a C a 0 D a 0 6 C if D A B C D 7 B main int m 5 if m 5 printf d n m else printf d n m A 7 B 6 C 5 D 4 8 6 4 A main int x scanf d x if x 5 printf d x else printf d n x A 7 5 B 6 3 C 7 4 D 6 4 9 if else C C else A A else if B if C if D if 10 B a 10 b 50 c 30 if a b a b b c c a printf a db dc d n a b c A a 10 b 50 c 10 B a 10 b 30 c 10 C a 50 b 30 c 10 D a 50 b 30 c 50 11 t 4 a b D main int s t a b scanf d d a b s 1 t 1 if a 0 s s 1 if a b t s 1 else if a b t 5 else t 2 s printf t d n t A 0 a b B a 0 b C a b 0 D a b 0 12 B a 10 b 50 c 30 if a b a b b c c a printf a db dc d n a b c A a 10 b 50 c 10 B a 10 b 30 c 10 C a 50 b 30 c 10 D a 50 b 30 c 50 13 D int i 1 if i 0 printf n else printf n A B C C D 14 B A if a b c temp a B if a b 0 temp a C int a b c 4 D int a scanf d a 15 float w int a b switch c A switch w case1 0 printf n case2 0 printf n B switch a case 1 printf n case 2 printf n C switch b case 1 printf n case 2 printf n D switch a b case 1 printf n default printf n case 2 16 S1 S2 D A if S1 S2 B if S1 S2 C if strcpy S1 S2 D if strcmp S1 S2 0 17 if D A if xyx y t x B if x y x y C if x y scanf d x else scanf d y D if x 18 int x 10 y 20 z 30 x y z B if xy z x x y y z A x 10 y 20 z 30 B x 20 y 30 z 30 C x 20 y 30 z 10 D x 20 y 30 z 20 19 a 1 b 3 c 5 d 4 x B if a b if c d x 1 else if a c if b d x 2 else x 3 else x 6 else x 7 A 1 B 2 C 3 D 6 20 ADescriptor CR CR D include main char c int v0 0 v1 0 v2 0 do switch c getchar case a case A case e case E case i case I case o case O case u case U v1 1 default v0 1 v2 1 while c n printf v0 d v1 d v2 d n v0 v1 v2 A v0 7 v1 4 v2 7 B v0 8 v1 4 v2 8 C v0 11 v1 4 v2 11 D v0 12 v1 4 v2 12 21 main int x scanf d x if x 5 printf dx else printf dx 5 B A 3 B 4 C 5 D 6 22 9 B main int n scanf d n if n 10 printf d n n else printf d n n A 11 B 10 C 9 D 8 23 a b c1 c2 x y switch B A switch a b case 1 y a b break case 0 y a b break case 3 y b a break B switch a a b b case 3 case 1 y a b break C switch a case c1 y a b break case c2 y a d break default x a b D switch a b default y a b break case 4 x a b break case 10 y a b break 24 main int a 2 b 1 c 2 if a b if b0 c 0 else c printf d n c C A 0 B 1 C 2 D 3 25 float w int a b switch D A switch w case1 0 printf n case2 0 printf n B switch a case 1 printf n case 2 printf n C switch b case a printf n default printf n case b printf n D switch a b case 1 printf n case 2 printf n default printf n 1 include stdio h main int i 0 j 0 a 6 if i 0 j 0 a printf i d j d a d n i j a i 1 j 0 a 7 2 58 585858 main int a scanf d a if a50 printf d a if a40 printf d a if a30 printf d a 3 passwarm int n c switch n default printf error break case a case A case b case B printf good break case c case C printf pass case d case D printf warm 1 include stdio h Void main int year m sumdate Clrscr Printf Scanf d d year m if m 1 m 3 m 5 m 7 m 8 m 10 m 12 sumdate 31 else if m 4 m 6 m 9 m 11 sumdate 30 else if m 2 year 400 0 year 4 0 year 100 0 sumdate 29 else sumdate 28 printf n d d d year m sumdate 2 x y 0 x60 y 1 60 x70 y 2 70 x80 y 3 80 x90 y 4 x 90 3 x y z x x y xy x y x z xz x z x 4 5 12321 include stdio h Void main long date int a b c d clrscr printf a date 10000 b date 1000 10 c date 100 10 d date 10 if a db c printf n d date else printf n d date 5 256 8 8 0 2 8 00000010 37 00100101 5 23 189 8 6 1 main int y 18 i 0 j a 8 do a i y 2 i y y 2 while y 1 for j i j 0 j printf d n a j printf n A 1000 B 11010 C 01001 D 10100 2 main int x 10 y 10 i for i 0 x 8 y i printf d d x y A 10 1 9 2 B 9 8 7 6 C 10 9 9 0 D 10 10 9 1 3 main int n 4 while n printf d n A 2 0 B 3 1 C 3 2 1 D 2 1 0 4 a b int b a 1 b 10 do b b a a while b 0 A 3 B 2 C 1 D 4 5 main int x 3 y 6 a 0 while x y 1 a 1 if y x break printf x d y d a d n x y a A x 4 y 4 a 1 B x 5 y 5 a 1 C x 5 y 4 a 3 D x 5 y 4 a 1 6 int n 10 while n 7 n printf d n n A 10 9 8 B 9 8 7 C 10 9 8 7 D 9 8 7 6 7 int x 3 do printf 3d x 2 while x A 1 B 3 0 C 1 2 D 8 main int i k a 10 p 3 k 5 for i 0 i 10 i a i i for i 0 i 3 i p i a i i 1 for i 0 i 3 i k k p i 2 printf d n k A 20 B 21 C 22 D 23 9 main int x i for i 1 i 50 i x i if x 2 0 if x 3 0 if x 7 0 printf d i A 28 B 27 C 42 D 41 10 main int y 9 for y 0 y if y 3 0 printf d y continue A 741 B 852 C 963 D 875421 11 X int for X 3 X 6 X printf X 2 d d n X A 3 B 3 C 3 D 3 4 5 12 a main int a b for a 1 b 1 a 100 a if b 20 break if b 3 1 b 2 continue b 5 A 11 B 15 C 12 D 13 13 main int x i for i 1 i 50 i x i if x 2 0 if x 3 0 if x 7 0 printf d i A 28 B 27 C 42 D 41 14 main int i for i A i I i i printf c i 32 printf n A B aceg C acegi D abcdefghi 15 main int y 10 do y while y printf d n y A 1 B 1 C 8 D 0 16 ABCdef main char ch while ch getchar n if ch A ch Z ch ch 32 else if ch a ch z ch ch 32 printf c ch printf n A ABCdef B abcDEF C abc D DEF 17 include main int num 0 while num 2 num printf d n num A 1 2 3 4 B 1 2 C 1 2 3 D 1 18 t 0 while printf t if t 3 break A 0 B 0 C D 19 x 1 do x x x while x A B C D 20 include main int y 10 do y while y printf d n y A 1 B 1 C 8 D 0 21 for 1 3 A for 1 0 3 B for 1 1 3 C for 1 1 3 D for 1 3 3 22 100 200 4 2 7 3 9 5 include main int i for i 100 i200 i if i 2 4 0 if i 3 7 if printf d i A i 9 5 B i 9 5 C i 5 9 0 D i 9 5 23 t int t 0 while t l A 0 B 1 C D 24 sum main int i sum for i 1 i 6 i sum i printf d n sum A 15 B 14 C D 0 25 main int i k a 10 p 3 k 5 for i 0 i10 i a i i for i 0 i3 i p i a i i 1 for i 0 i3 i k p i 2 printf d n k A 20 B 21 C 22 D 23 26 main int i sum for i 1 i 3 sum sum i printf d n sum A 6 B 3 C D 0 27 main int n 5 0 0 0 i k 2 for i 0 i k i n i n i 1 printf d n n k A B 2 C 1 D 0 28 main char ch 2 5 6937 8254 p 2 int i j s 0 for i 0 i 2 i p i ch i for i 0 i 2 i for j 0 p i j 0 j 2 s 10 s p i j 0 printf d n s A 69825 B 63825 C 6385 D 693825 29 main int x 10 y 10 i for i 0 x 8 y i printf d d x y A 10 1 9 2 B 9 8 7 6 C 10 9 9 0 D 10 10 9 1 30 main int i for i A i I i i printf c i 32 printf n A B aceg C acegi D abcdefghi 1 main float x amax amin scanf f x amax x amin x while 1 if x amax amax x if 2 amin x scanf f x print f namax f namin f n amax amin 2 100 main int i n float sum f n 0 1 for i 0 i 100 i print f enter a real number scanf f f if 2 continue 3 n print f sum f sum print f a rerage f sum n 3 Fibonacci main int i static int f 20 1 1 for i 2 i 20 i 1 for i 0 i 20 i if i 5 0 printf n printf d f i 4 1 9 a s a aa aaa aa a 20 temp aa a 1 include stdio h main int I long a s temp s temp 0 printf Please enter a number 1 9 scanf 1 s a for I 1 2 3 temp 4 a temp s s 5 printf s f s 5 main int i for i 1 i 5 i printf d f i printf n f int n static int j 1 j j n return j 6 main int n 3 i j k for i 0 i 3 i n i 0 k 2 for i 0 i k i for j 0 j k j n j n i 1 printf d n n 1 7 include stdio h main int i j x 0 for i 0 i 2 i x for j 0 j 3 j if j 2 continue x x printf x d n x 8 main int sum 0 i scanf d i while i 10 sum sum i i printf d sum 1 9 include main int y 10 while y printf y d n y 10 i j k int for k for i 0 j 10 i j i j k i j 1 1 1 2 1 3 1 4 99 1 100 2 100 3 9 9 9 9 i j 4 153 15 3 1 5 3 5 90 90 2 3 3 5 n k 1 n 2 nk n k k n k n 3 n k k 1 k 7 1 k s 0 k k s 1 10 A B 33 C 30 D 10 2 main int i x 3 3 9 8 7 6 5 4 3 2 1 for i 0 i4 i 2 printf d x i i A 5 2 B 9 1 C 5 3 D 9 7 3 main char ch 2 5 693 825 p 2 int i j s 0 for i 0 i2 i p i ch i for i 0 i2 i for j 0 p i j 0 p i j 9 j 2 s 10 s p i j 0 printf d n s A 6385 B 22 C 33 D 693825 4 a A int a 2 1 0 1 5 2 3 B int a 3 1 2 3 4 5 6 C int a 2 4 1 2 3 4 5 6 D int a 3 1 0 1 1 1 5 int a 3 4 0 A a 0 0 0 B C a 0 D a 0 6 main char ch 2 5 693 825 p 2 int i j s 0 for i 0 i2 i p i ch i for i 0 i2 i for j 0 p i j 0 p i j 9 j 2 s 10 s p i j 0 printf d n s A 6385 B 22 C 33 D 693825 7 A static int a string B static int a 5 0 1 2 3 4 5 C static char a string D static char a 0 1 2 3 4 5 8 char x abcdefg char y a b c d e f g A X Y B x Y C X Y D X Y 9 int a 10 a A a 10 B a 3 5 C a 5 D a 10 10 10 a A int a 10 B int n 10 a n C int n scanf d n int a n D define SIZE 10 int a SIZE 11 int a 4 0 0 A a 0 B a 1 C a 1 a 1 D a 0 0 a 0 1 0 0 12 A double x 5 2 0 4 0 6 0 8 0 10 0 B int y 5 0 1 3 5 7 9 C char c1 1 2 3 4 5 D char c2 x10 xa x8 13 a m a i j A j m i B i m j C i m j 1 D i m j 1 14 int k int a 3 3 1 2 3 4 5 6 7 8 9 for k 0 k3 k printf d a k 2 k A 3 5 7 B 3 6 9 C 1 5 9 D 1 4 7 15 main int a 4 4 1 3 5 2 4 6 3 5 7 printf d d d d n a 0 3 a 1 2 a 2 1 a 3 0 A 0650 B 1470 C 5430 D 16 main char ch 3 5 AAAA BBB CC printf s ch 1 A AAAA B BBB C BBBCC D CC 17 int aa 8 aa 1 A aa 0 1 B aa 1 C aa 0 D aa 1 18 main int a 3 3 1 2 3 4 5 6 i j s 0 for i 1 i3 i for j 0 j i j s a i j printf d s A 18 B 19 C 20 D 21 19 main char w 10 ABCD EFGH IJKL MNOP k for k 1 k3 k printf s n w k A ABCD FGH KL B ABCD EFG IJ C EFG JK O D EFGH IJKL 20 k int k 3 s 2 s 0 k k s 1 10 A B 33 C 30 D 10 1 200 include main int i h 20 temp printf n Enter 20 integers for i 0 i20 i 1 printf n for i 0 i19 i 2 if n i n j temp n i n i n j 3 4 if i 5 0 print f n print f 10d n i 2 3 char s 100 d 100 int j 0 i 0 s while i d j j i d j 0 4 main char b Hello you b 5 0 printf s n b 5 int a 0 a 4 p s int a 0 a 1 a 2 a 3 a 4 22 33 44 55 66 1 p a 1 p s s a 4 2 s a 2 p a 0 s p 1 9512 9 1 5 2 2 a b c d e abcd e bcde a 0 e 0 1 bcde 3 0 99 4 i j k ijk kji 1333 i j k 0 9 5 ABCD 15 A D B C 1 4 2 3 8 1 int d 1 fun int p int d 5 d d p printf d d main int a 3 fun a d d a printf d n d A 84 B 99 C 95 D 44 2 include int abc int u int v main int a 24 b 16 c c abc a b printf d n c int abc int u int v int w while v w u v u v v w return u A 16 B 7 C 8 D 9 3 ABCDE func char str int num 0 while str num 0 num return num main char str 10 gets str printf d n func p A 38 B 37 C 36 D 35 4 include void FUN int S static int J 0 do S J S J 1 while J2 main int K A 10 1 2 3 4 5 for K 1 K3 K FUN A for K 0 K5 K printf d A K A 34756 B 23445 C 35745 D 12345 5 int m 13 int fun2 int x int y int m 3 return x y m main int a 7 b 5 printf d n fun2 a b m A 1 B 2 C 7 D 10 6 include FUNC int A int B int C C A B return C main int X 6 Y 7 Z 8 R R FUNC X Y X Y Z printf d n R A 11 B 20 C 21 D 31 7 include stdio h f int a int b 0 int c 3 a c b return a main int a 2 i k for i 0 i 2 i k f a printf d n k A 3 B 0 C 1 D 4 8 fun3 int x static int a 3 a x return a main int k 2 m 1 n n fun3 k n fun3 m printf d n n A 3 B 4 C 6 D 9 9 int m 13 int fun2 int x int y int m 3 return x y m main int a 7 b 5 printf d n fun2 a b m A 1 B 2 C 7 D 10 10 f int b int n int i r r 1 for i 0 i n i r r b i return r main int x a 2 3 4 5 6 7 8 9 x f a 3 printf d n x A 720 B 120 C 24 D 6 11 int d 1 fun int q int d 5 d q printf d d main int a 3 fun a d a printf d n d A 8 4 B 9 6 C 8 4 D 8 5 12 C A B return C D 13 A double fun int x int y B double fun int x int y C double fun int x int y D double fun int x y 14 return A B C D 15 A B C D 16 C A B C D 17 C A B C D 18 C A float B int C long D double 19 f int a 3 4 f a f array A f int array 6 B f int array 3 C f int array 4 D f int array 2 5 20 int runc int a int b return a b main0 int x 2 y 5 z 8 r r func func x y z printf d n r A 12 B 13 C 14 D 15 1 pow x y 1 pow x y int x y int j for 1 y 1 2 j 3 return j 2 3 int tun int num int k 1 do k k num 10 num num 10 while num return k main int n 26 printf d n tun n 4 int fun int n int s if n 1 n 2 s 2 else s n return s main int x x fun 1 2 3 printf ld n x 5 int a 10 i fun 10 1 2 3 4 5 6 7 8 9 10 a 10 1 2 3 4 5 5 4 3 2 1 fun int a int i for i 1 i 10 i i for i 0 i5 i a i 1 N N fun s 2 N N fun int a N for forr a i m i a N 1 i m i 3 121 140 3 2 4 2 5 2 5 4 6 1 2 3 6 1000 5 121 100 200 9 1 define PT 5 5 define S x PT x x main int a 1 b 2 printf 4 lf n S a b A 49 5 B 9 5 C 22 0 D 45 0 2 define f x x x main int a 6 b 2 c c f a f b printf d n c A 9 B 6 C 36 D 18 3 a define SQR X X X main int a 10 k 2 m 1 a SQR k m SQR k m printf d n a A 10 B 1 C 9 D 0 4 define MA x x x 1 main int a 1 b 2 printf d n MA 1 a b A 6 B 8 C 10 D 12 5 define f x x x main int a 6 b 2 c c f a f b printf d n c A 9 B 6 C 36 D 18 6 define ADD x x x main int m 1 n 2 k 3 int sum ADD m n k printf sum d sum A sum 9 B sum 10 C sum 12 D sum 18 7 A B C D C R define C R 045 8 define MIN x y x y x y main int i 10 j 15 k k 10 MIN i j printf d n k A 10 B 15 C 100 D 150 9 define N 2 define M N 1 define NUM 2 M 1 main int i for i 1 i NUM i printf d n i for A 5 B 6 C 7 D 8 10 define f x x x main int a 6 b 2 c c f a f b printf d n c A 9 B 8 C 36 D 18 10 1 sub int x int y int z z y x main int a b c sub 10 5 a sub 7 a b