第二次期中考補考-第二題

Question

若一個正整數的奇數位數字和與偶數位數字和兩者差的絕對值是11的倍數，則這個正整數就是11的倍數，否則就不是11的倍數。

請寫一個程式來判斷輸入的數是不是十一的倍數。

 

輸入說明：

會輸入一個正整數N，N不會超過1000位。

 

輸出說明：

如果輸入的數字是11的倍數就在螢幕上輸出YES，否則就輸出NO。

 

輸入範例：
 

11111111111111111111111111111111111111111111111111

 

輸出範例：

 

YES

Answer 1

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#include<stdio.h>

int main()
{
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Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
Case 6: Correct output
Case 7: Correct output

Answer 2

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#include<stdio.h>
int main()
{
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Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

Answer 3

Hidden content!
#include<stdio.h>

int main(void){
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}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

---

prog.c: In function 'main':
prog.c:20:4: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
    system("pause")
    ^~~~~~
prog.c:21:4: error: expected ';' before 'return'
    return 0;
    ^~~~~~

---

prog.c: In function 'main':
prog.c:20:4: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
    system("pause");
    ^~~~~~

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
Case 6: Correct output
Case 7: Correct output

Answer 4

Hidden content!
#include<stdio.h>
int main()
{
    int n;
    int a[1000];
    scanf("%d",&a[n]);
    if(a[n]%11==0)
    {
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Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

---

prog.c: In function 'main':
prog.c:6:17: error: 'a' undeclared (first use in this function)
     scanf("%d",&a[n]);
                 ^
prog.c:6:17: note: each undeclared identifier is reported only once for each function it appears in

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

Answer 5

Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
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}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
Case 6: Correct output
Case 7: Correct output

Answer 6

Hidden content!
#include<stdio.h>
int main()
{
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}

Comments

prog.c: In function 'main':
prog.c:6:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(num);
     ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/tmp/ccgmKRMg.o: In function `main':
prog.c:(.text+0x39): warning: the `gets' function is dangerous and should not be used.

Answer 7

Hidden content!
#include<stdio.h>
int main()
{
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}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

Answer 8

Hidden content!
#include<stdio.h>
int main ()
{
   
    int n;
    int a[1000];
    scanf("%d",&a[n]);

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Comments

prog.c: In function 'main':
prog.c:19:14: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
              system("pause");
              ^~~~~~

---

Case 0: Wrong output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Wrong output
Case 5: Correct output
Case 6: Wrong output
Case 7: Correct output

Answer 9

Hidden content!
#include<stdio.h>
int main()
{
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Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

---

Case 0: Wrong output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Wrong output
Case 5: Correct output
Case 6: Wrong output
Case 7: Correct output

Answer 10

Hidden content!
#include<stdio.h>
int main()
{
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}

Comments

prog.c: In function 'main':
prog.c:6:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(arr);
     ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/tmp/cckn201s.o: In function `main':
prog.c:(.text+0x39): warning: the `gets' function is dangerous and should not be used.

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
Case 6: Wrong output
Case 7: Wrong output

---

prog.c: In function 'main':
prog.c:23:5: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
     system("pause")
     ^~~~~~
prog.c:24:1: error: expected ';' before '}' token
 }
 ^

---

prog.c: In function 'main':
prog.c:23:5: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
     system("pause");
     ^~~~~~

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Correct output
Case 5: Correct output
Case 6: Wrong output
Case 7: Correct output