12-21 Exercise 1: Finish the code to match the input and output. Pointer is required.

Question

14.6k đã xem

We will use this function to proceed and store the result

void find_two_largest(int a[], int n, int *largest, int *second_largest);

* When passed an array a of length n, the function will search a for its largest and second-largest elements, storing them in the variables pointed to by largest and second_largest respectively.

寫 find_two_largest() 函數。陣列做為函數參數找出最大值跟第二大值。

Finish the code below to match the input and output. Pointer is required. 請使用指標。

#include <stdio.h>

void find_two_largest(int a[], int n, int *largest, int *second_largest);

int main(void)
{
	int n, largest, second_largest;
	scanf("%d", &n); //Numbers will be entered
	int a[n];
    //Enter n integers separated by spaces
	for (int i = 0; i < n; i++)
		scanf(" %d", &a[i]);

	find_two_largest(a, n, &largest, &second_largest);

	if (n == 0)
		// Your code here
		//Print No numbers were entered.
	else if (n == 1)
		// Your code here
		//Print Only one number was entered. Largest: 
	else
		// Your code here
		//Print Largest: , Second Largest:

	return 0;
}

void find_two_largest(int a[], int n, int *largest, int *second_largest)
{
	// Your code here (Using pointer to finish)
}

Example input:

Example output:

No numbers were entered.

Example input:

1
67

Example output:

Only one number was entered. Largest: 67

Example input:

5
5 6 7 8 9

Example output:

Largest: 9, Second Largest: 8

[Exercise] Coding (C) - đã hỏi ngày 21 tháng 12 năm 2017 trong Chapter 12: Pointers and Arrays
ID: 38251 - Xem được từ: Không giới hạn - Hiệu lực đến: Không giới hạn
đã sửa ngày 21 tháng 12 năm 2017 bởi semicolon | 14.6k đã xem

58 Trả lời

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Unknown · Answer 1 · 2018-01-18 17:39:01

Hidden content!
#include <stdio.h>

void find_two_largest(int a[], int n, int *largest, int *second_largest);

int main(void)
{

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** *  *** *   ***   * **  ** *  a[n];
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** *  *  **  ***  *  *** (int i = 0; i < n; i++)
* * ***  **** * **   *  *   ***** * *  * *** ****   ** * * ** ** %d", &a[i]);

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**    * ** **  *  ****    *  * ** **** ** **  *  No numbers were entered.
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 *       **   * * *  **  **** * *    * **** *   * * * Largest: , Second Largest:

**  ** *** *** *   *   **    0;
}

void find_two_largest(int a[], int n, int *largest, int *second_largest)
{
*   *  * *****  *  **   fir,sec;
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}

trả lời ngày 18 tháng 1 năm 2018 bởi Unknown (-140 điểm)

112233 · Answer 2 · 2018-01-15 09:29:45

Hidden content!
#include <stdio.h>

void find_two_largest(int a[], int n, int *largest, int *second_largest);

int main(void)
{
    
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** ****  *      *   * *** ***  * 0;
}

void find_two_largest(int a[], int n, int *largest, int *second_largest)
{
*******  ********* * *** * *  ** fir,sec;
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***** *    * **  *** ** * * *  **  **     *****  *****  ***   * = a[0] ;
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}

trả lời ngày 15 tháng 1 năm 2018 bởi 112233 (-167 điểm)

Sabrina Lin · Answer 3 · 2018-01-13 00:45:11

Hidden content!
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int * *******
{
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*  *  *  *       *   *   *   n,  * *  * *  ** ***  *  **

**** *** ** if (n == 0)
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* * ****  *  * ** else if (n == 1)
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** * * **   ** else
*      * * *      *   *  ****  ** ***    %d,   *   **   ** * ***      *     
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}

***    ***   * a[], int n, int **** int    ***     
{
**  **  *****    // Your code here *  ** * *    to ****
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*  ****     ** * ***** **  * =  ** *
}

trả lời ngày 13 tháng 1 năm 2018 bởi Sabrina Lin (-285 điểm)

PsychoDeity · Answer 4 · 2018-01-10 13:23:07

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

void  * *** * **  a[], int n, int  * *   int *   * * * ** *

int ****** 
{
*** *   *  **  int n, largest,    ** ** * i;
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    **  ****   int a[n];
**  *   *** *   *    * ** ** *** n integers  ** *  by spaces
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***** *  *   ** *      **   *  n, ***** ****  *   *  * *  *  * * *

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*   **  ** else if (n == 1)
***       ** ** *** *  *   *      *    *   * one number was   * *  ****  **   *        *
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* * **  * * *****  *   **   ***  ** ** *  **   **  %d, Second   ** *** *  ***   *  *  * ** *  
*   * * ** ** ** *     *** //Print *****   , Second ** *

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}

void   * * *   * **  a[], int n, int  ** ** int * *  *  
{
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*   ***  ***  for(i = 0; i ** * n; i++){
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*    *** * ***     ** **   ***  * ** *** ** * ****   *     ** **     *        * *  *  ** * ***** **  = a[i];
   * * ** *  *********  * * ***  **  * ***   ********** *
*    ** *  *    **  *
}

trả lời ngày 10 tháng 1 năm 2018 bởi PsychoDeity (-168 điểm)

prog.c: In function 'find_two_largest':
prog.c:33:17: warning: comparison between pointer and integer
         if(a[i] > largest){
                 ^
prog.c:35:21: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
             largest = a[i];
                     ^
prog.c:36:25: warning: comparison between pointer and integer
         } else if (a[i] > second_largest
                         ^
prog.c:37:21: warning: comparison between pointer and integer
             && a[i] < largest){
                     ^
prog.c:38:28: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
             second_largest = a[i];
                            ^

đã bình luận ngày 10 tháng 1 năm 2018 bởi The Judge (4.3k điểm)

410330002 · Answer 5 · 2018-01-04 15:31:20

Hidden content!
#include   *  **** ***  
#include * *     ******  **


void  **    **   * a[], int n, int *largest, int  ***      

int *     ***
{
 ****   **** * int n, largest, * **    ** * 
 *  ** *  ** * *** **  *   *    ***   *      * * **
* *  **     * int a[n];
***  ** * * **  * int i;

    *   * * * *****   * * 
*     * ** ** ***   **   **  *** ** *  *****  *     *   * *   **

**  *     **       ****  **  * * ***  * *   ** * **   

** *   *     *** **   if (n == 0)
*        * *  * * *** * *  ****  ***** ***  ***  * ** * ** * *   *** numbers were   * *   *   

*****   * *  else if (n == 1)
** ** * * **  *  ******  *   *** * *      * *** *   one number was entered. Largest:   *  ** **** 

 * *  **** * else
 ******  * *****    *  ** ***  **    *********   ***   %d, Second Largest: *  ***   * *   *    ** 

**   * *   ******  return 0;
}

void * **** *   **** a[], int n, int *largest, int *   *    * *
{
 * *** * * *     * int i;
  * * ** *    *    ** * **  ** 

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***   ***     ****** **** ******* * ****    *****    *    ***  **    *
  * ***** * *  * * ** * *  **          ** **   ** * ** **  **     **** * *
 **  *** *  * ****    *
}

trả lời ngày 4 tháng 1 năm 2018 bởi 410330002 (-16 điểm)
đã sửa ngày 17 tháng 1 năm 2018 bởi 410330002

林上智 · Answer 6 · 2018-01-03 16:21:34

Hidden content!
 *  *    **    * * *

void *    ******     a[], int n, int  **  int  *  * ** ** * *

int * ** **  
{
* *       **  *** int i,n, **   *  *    ***
**     ***    **  ******  * *   ***           *   **** will be entered
*  * * ***** int a[n];
*  * ** **   *  *** * *  *** *   n *  *   *  ** by spaces
  **** * * * for *   ***** * *
   * ** *   *   **   * * **   ***   ** *** * *** * ** * 

 *    *   ****      **   * n,   **  * **** *** **  **    ** 

*  *    ********* if (n == 0)
   **   * *  **       ** // Your code here
 *    *  ****  **  *  *  **  * //Print No numbers were    * 
*   * ** ***  *   * *    *   *    **    ** numbers were *    *    **    
*    *      ** else if (n == 1)
   *  *   * * *   **** * **     // Your code here
    *      ***  *  ***  *   * //Print Only one number was *    *    *  *
 * *        *   *  ***          * ***    **   one number was  * *      **  ** ***  **
* *** *    * **  else
* *** **  ***   ***  *    *  // Your code here
*** **  ** * *** **   * * **** //Print  *    , Second   * *

**  *   **  ***   **  * * ***** **   ***** ******* ** ***    * *  ** *  **  %d, Second ****     ** *       *** ****      *

* * *   ** ** * return 0;
}

void ***  * * ***  a[], int n, int  ******   int *   **** * 
{
** **   * * **  ** // Your code here (Using pointer to finish)
** * ***  * *** int i;
*** ***  *     **    *  ** *   **
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 ***  *  **    * ***   * *** * 
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***       ***  ***     ****  ** *** * ** *   ** ** *  **  
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 ***** * **  *   ** **** *  *    ** * * *  ******* **  * 
 **** *    ** * * ** * *  *

}

trả lời ngày 3 tháng 1 năm 2018 bởi 林上智 (-32 điểm)
đã sửa ngày 3 tháng 1 năm 2018 bởi 林上智

fung2004067 · Answer 7 · 2017-12-30 21:44:05

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


//void  * **** ****  a[], int n, int  ** int    ***   ** 

int **      *  largest, int *   *     **
{
 **     ** * return (largest == * ***** 
}

void *  **   *   * * a[], int n, int* ** * int* ******   
{
* ***    **   * int i;
 * * * *  ***   *  int  **    = a[0];
* * *   * **** for(i = 0; i  ***  n; i++)
***   *  *****    {
  **     * ** *   ** **     **  if (a[i] >   *****
   **     ** *  * ** *   * * **      **
* *    *      **   * *  ***** * * * *** ** ****   _largest = a[i];
 * ***  *** * * * * ** * *   ***  ***  *  **
 *  * * **** }
***      **  ****   *     =  **    
**    ** *   
**   *     *  * int *      = a[0];
**  *  *** **  *   *** * ** *   = 0; i  *  n; i++)
**     **       * *** *** * 
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 ** ****   * *  * * ***   *  ** {
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* ** *  ** *  *  ***   ***  * }
* **   *       }
 *** ** * ** *  **  *  * =  **** **
}


int ***** 
{
* **   ***  int n, **       *  ** *
      **  *   * * *** **   *  * * *     *   *** ***  *  ***  *       will be entered
**** * *   *   *  int a[n];
* **    ** *  **  * ** * ** * n ***** * *  * * by spaces
* ** *   *** * int i;
 **    *   * *  * * for (i = 0; i < n; i++)
** * ** *    ** * * * *   **** **  
    *  * *  ** **   *  ***  *    ** **** *** ***** * *     ***   *  ***  ****      * * **  * 
**** * *  ** *  *  ***  * 



 ***  *  * *   *  **  * * *** n,  * **    *  *  * *** * ** *  **
 **      *  *** ** *****  
    ****   *  * * *   **** * * *  * ***  ***  * *   ***** n = 1;
 ***   *  * **  ***   * **
*    **   *** * * if (n == 0)
 ****** ***      *  * ***  {
*   **  *  ****     *  ** *    ** * ***** * *  * *   ****** * **  * * * *  *    numbers were **** **   
  *       * **  * * * * *  *   * }
** ** *  *** * else if (n == 1)
 *  * ** ** *   ** **** ***  ** {
   * *   * **   *  *  *     *   **  * * **  *** ***  * *  * *** *  **    one number was entered.  ***** *   **  *  
**     **      *  *      * **  }
  **   * *** ** else
***    * * * *    **     *  *   {
* * *  *         *  ***      * * **    *  * **  **    *   * *  ** **  %d, Second ** ** **   * *        * * *  **
** **     *** *** ****** ***  * }

  * * **          return 0;
}

trả lời ngày 30 tháng 12 năm 2017 bởi fung2004067 (-214 điểm)

fung2004067 · Answer 8 · 2017-12-30 21:27:35

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


//void  **** * *   a[], int n, int ** *     int * *  *  **


void  *  ****        a[], int n, int* *  * int*  **   ***
{
**  *** * * *  **  int i;
*  ***** * *  ** int ***  = a[0];
  *     ** *   for(i = 0; i * **   n; i++)
*   *** *** * {
  ***         *  * **   * ***   * if (a[i] > ** * * 
  * *  ** *     * *  * ***   ***   * **
*     ** * **    ***  * *** ***     *** **  ****  _largest = a[i];
*  **  ******   *  **** * *   ***   ***  **   
 ** ** **** **  }
 ***  *  * *** * * * = *    *
*  *  * *   * 
   *   **  int * *   ** = a[0];
***  *   ** *    *  **** ***** = 0; i < n; i++)
 **    *  **** **          * 
  * *** *     ** *********** * * ** * *   ** * * if (a[i] > **  * *  ***   * *  * ** != a[i])
*  * **    ***  *  *** * * * ** ***    *  {
 **   **     *  *** ***  **   **  **  *** * * **  **   ** ** * *** = a[i];
***  ***    *    *   ** *  }
*  **  *  **     }
 **  * *  ****  *   * * **    =      * ** 
}


int **  ****
{
*    *  **   *   int n, **    * ** * *   **
***  *  * ** *     ******  *   * ***     *   ** *     ** will be entered
  *   *** ** int a[n];
***  * *** **  *  **       * *** **   n **     *  *   by spaces
   ***    ***  int i;
 * *  * **   * for (i = 0; i  ****  n; i++)
* ** * **   *  *** * *   *   * 
 * * ********* *  *    ** * ***  * *    *  **** **  ** *    ****   ** * *  *
 *******     *     *   * *  ***



****   ** ** **   *** n,  * * **  **  ****  *******   

   ** **** **  ***  if (n == 0)
***  *    *  *  * * * *  * * {
   *  *****  * * * *  * **   ****     *  * ******  *    *   * ** ** **   numbers were     ***  *****
 ** * * * *****    * **   *   * *  }
 **  ** * *  * * else if (n == 1)
   ** * * *     ****        {
***** *  **          *  * **   * *   **  *  * **  * **** * **   *  **        * one number was     ** *********   * *   
  ***  *    * *  **  * *    ** *  }
* **    ***** else
 * ** * **  ** * * **      ** {
* ** *  **   **    **** * **  **  **   * *****  * ***   *   *  * **** **  *** %d, Second * **    *  **   *  ****  *  * 
   **  ** ** *   ** * ** *** **  }

**   * * *   * *   return 0;
}

trả lời ngày 30 tháng 12 năm 2017 bởi fung2004067 (-214 điểm)

fung2004067 · Answer 9 · 2017-12-30 20:03:23

prog.c: In function 'find_two_largest':
prog.c:10:11: warning: comparison between pointer and integer
  if (a[i] > largest)
           ^
prog.c:12:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
        largest = a[i];
                ^
prog.c: In function 'main':
prog.c:40:14: warning: missing terminating " character
       printf("Only one number was entered. Largest:%d,&largest);
              ^
prog.c:40:14: error: missing terminating " character
       printf("Only one number was entered. Largest:%d,&largest);
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prog.c:41:3: error: expected expression before '}' token
   }
   ^
prog.c:41:3: error: expected ';' before '}' token
prog.c:44:14: warning: missing terminating " character
       printf("Largest: %d, Second Largest: %d,&largest, &second_largest);
              ^
prog.c:44:14: error: missing terminating " character
       printf("Largest: %d, Second Largest: %d,&largest, &second_largest);
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prog.c:45:3: error: expected expression before '}' token
   }
   ^
prog.c:45:3: error: expected ';' before '}' token

~~~~~~ · Answer 10 · 2017-12-28 17:25:24

Hidden content!
#include   *  *   * * *  
#include *       **   


void *****  * ** a[], int n, int *largest, int **   **** **
{
*****  **** ** 
*  * * **** **  if (n==0)
 * *  ** * ***   * {
*   *  **  **** *  ** * ***  *    ***  ***     numbers were  * *  **   * 
 ***   *  ***   * }
  * ***  * ** else if (n==1){
 ** ****    ** * **   *   *    * * 
 **   *    **  * ** * *    *** * * * **
 ***   ***** ** * * * *    *  **    *  ** * ***  one number was entered. Largest:  ** * *     *****
* ** ***    }
  **     ***   * else{
  ** *     * **  ***   *   * * ***  int i,  ** * *  *** *  * 
*** * * *    * *   ** *   ** **   **
 **        *   ** ** * * *    *  *  ***     
   *** * ** **   **   ** ** for (i=0;   * * i++)
 *  *  *      * ** **  *   **** * {
* **   *  *  *   *  **  *   ** **  *** **   **   *    * * *  *    * 
* *  *    *** *  * ** * *** **  ** ***  *  *** * *  **     *  * * **  *   ***  
   *  *  * *  *    * * *     *     * **  **   * }
 **   * *  **    *   *  **       ** ** }
*        *   *  * *  * *** ** ***  
* * * *    ***** *  * *  *     **** * **   %i,    **   **** 

 * * *    *  * *    ** * *  *   for (i=0;  *** *** i++){
**** ** **  *  *   *    *       ***   ** *    **  *  * ** * * *   *  ***  *   * **  ** *** * * ** ***    *** * *    
  *  *  *  ***    *  * * ** ***   **  *** ***   *  ** ** *  * * *    ** *     *** * * **  ** ****  
** * * ** * ** * ** *     * * *  ******  ******* * ***  ******** }
       **  *   **** **   *   }
***   *  ***  * ** ***   ***   **   * * * **  *  **  * ** 
*   *  ** **           *       *  *  *     * **  ** *  ** * Largest:    ** *** ** *   **

**    ** **  }
}

void *     *   * a[], int n, int *largest, int   * * ***

int  *   ** 
{


  **   * *   int n, largest,  * ***    

    *  * *  ** *       **  **** *  *  ** *   
*     *  **  *  int a[n];

*  **   ** * *   for (int i = 0; i < n; i++)
 *   * *   * * *    *  **    ***  *   *******  * * *   **  *     *  *  *

  **    *     * *  ** *  * * n,       **  ** **** ** ***


 ** **  ** ***  return 0;
}

trả lời ngày 28 tháng 12 năm 2017 bởi ~~~~~~ (-304 điểm)
đã sửa ngày 28 tháng 12 năm 2017 bởi ~~~~~~

12-21 Exercise 1: Finish the code to match the input and output. Pointer is required.

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