Final Exam 1 (20%)

Question

This program will receive a sentence and reverse it as the result. 字串反轉

Example input 1:

School need Student

Example output 1:

Student need School

Example input 2:

Student

Example output 2:

Student

Example input 3:

are you as bored as I am

Example output 3:

am I as bored as you are

 

Answer 1

Hidden content!
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int   * *
{

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}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Correct output

Answer 2

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







}

Comments

prog.c: In function 'main':
prog.c:7:8: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     l1=strlen(a);
        ^~~~~~
prog.c:7:8: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:7:8: note: include '<string.h>' or provide a declaration of 'strlen'
prog.c:17:16: warning: too many arguments for format [-Wformat-extra-args]
         printf("Student need School",e);
                ^~~~~~~~~~~~~~~~~~~~~

---

prog.c: In function 'main':
prog.c:18:16: warning: too many arguments for format [-Wformat-extra-args]
         printf("Student need School",e);
                ^~~~~~~~~~~~~~~~~~~~~

---

Case 0: Correct output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Correct output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output

Answer 3

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int main(){



}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 4

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

Answer 5

Hidden content!
#include<stdio.h>
#include<string.h>
#include<ctype.h>
int main()
{
    int i,j,end;
    char a[100];
    scanf("%[^\n]*c",a);
    end=strlen(a)-1;
    for(i=end;i>=0;i--)
        {
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        }
        return 0;
}

Comments

prog.c: In function 'main':
prog.c:8:20: warning: spurious trailing '%' in format [-Wformat=]
     scanf("%[^\n]*c%",a);
                    ^

---

prog.c: In function 'main':
prog.c:8:20: warning: spurious trailing '%' in format [-Wformat=]
     scanf("%[^\n]*c%",a);
                    ^

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

prog.c: In function 'main':
prog.c:8:20: warning: spurious trailing '%' in format [-Wformat=]
     scanf("%[^\n]*c%",a);
                    ^

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output

Answer 6

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

int main()
{
   int a[100],b[100];
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   ******   ****  ** *    * ** *  0;
}

Comments

prog.c: In function 'main':
prog.c:15:16: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
     len=strlen(a);
                ^
In file included from prog.c:4:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
prog.c:20:15: warning: format '%[^
   ' expects argument of type 'char *', but argument 2 has type 'int (*)[100]' [-Wformat=]
     scanf("%[^\n]*c%",&a);
               ^
prog.c:20:20: warning: spurious trailing '%' in format [-Wformat=]
     scanf("%[^\n]*c%",&a);
                    ^
prog.c:22:13: error: assignment to expression with array type
     while(a += ' ')
             ^~
prog.c:24:13: error: 'i' undeclared (first use in this function)
         for(i=len-1;i>=0;i--)
             ^
prog.c:24:13: note: each undeclared identifier is reported only once for each function it appears in
prog.c:26:17: error: 'j' undeclared (first use in this function)
             for(j=0;j<=len,j++)
                 ^
prog.c:26:31: error: expected ';' before ')' token
             for(j=0;j<=len,j++)
                               ^
prog.c:28:18: error: 'rev' undeclared (first use in this function)
                  rev[i]==a[]
                  ^~~
prog.c:28:28: error: expected expression before ']' token
                  rev[i]==a[]
                            ^

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Answer 7

Hidden content!
*** * ****  ** **  
   **** **          * 

int main{
***** *  ** ****   ****     * *** * ***   * 
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  * **   *   * ****   *  * ** *    
       *     *    * *** *  *  **  *
     ** *  * * 0;
}
**** *  *  * 

Comments

prog.c:4:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
 int main{
         ^

---

prog.c:4:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
 int main{
         ^

---

prog.c:4:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
 int main{
         ^

Answer 8

Hidden content!
#include<stdio.h>
#include<string.h>
int main(void)
{
    char sent[100];
    int i,j,n,k;
*  *** * ***    **** ** *  **  ** *  **  *******   **  
    n=strlen(sent);
    for(i=n-1;i>=0;i--)
    {
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    }
    return 0;
}

Comments

prog.c: In function 'main':
prog.c:7:7: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     n=strlen(sent);
       ^~~~~~
prog.c:7:7: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:7:7: note: include '<string.h>' or provide a declaration of 'strlen'

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output

Answer 9

Hidden content!
#include <stdio.h>

void reverse( char *begin, char *end)
{
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* *    *** ****  * ** ** ** ** * ** * * * * *
* ***** ***  *   * * * **  
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       ***  ** ** *  *  **  *  *  **  *  * **        * * = *end;
       ***  **  **   **  *  * ***** ** *******  **** *  = temp;
*  * *** ** *    * *   *****  
}

void reverseWord(char *s)
{
*  *  *  * ***  ** * * ***   *word_begin = s;
  *  * * *  ***  ** *  **     *temp = s;
*   * **      ** * *****   ** (*temp){
* **** *  ***    *********  * **   ***
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* * * ** ***  **  * * **  temp-1);
}


int main(){

char s[1000];
 * * *  * ** *   ** * *    s);
char *temp = s;
reverseWord(s);
**** *      * ** *  *  * s);

return 0;


}

Comments

prog.c:8:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
 int main()
 ^~~

---

prog.c: In function 'main':
prog.c:43:8: warning: 'return' with a value, in function returning void
 return 0;
        ^
prog.c:35:6: note: declared here
 void main(){
      ^~~~

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output

Answer 10

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

 int main(void)
 {
     char str[100];
     int i,j;
     int a = strlen(str);
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* * ** *  * ***   *  **  * * ** * * *** *    ***  ** * *
     {

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****  ** * *   * ** * * * *  *** ***** ****   * *** *  **** *  **  *   * *     * ***   ");
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**    **     * **  ** *  * **   *   ***   * ** *** *  
     }
*  *** * **  ** *  ***  *   **  *** 0;
 }

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output