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

Question

2.3k 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 | 2.3k 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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** * * ******* **  **  * * ****  **     * **   ** *       * Largest: , Second Largest:

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

void find_two_largest(int a[], int n, int *largest, int *second_largest)
{
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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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* * ** *  *      * *** * *    *        *  **    * *    * ***** Largest: , Second Largest:

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}

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

int *  ***** 
{
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*  **     ** * ** * *    n, ****** *** *** ****  *** *   

* ** * *  *   *  * if (n == 0)
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* *** * ** ** ***  * ** 0;
}

***    *** *   ** * a[], int n, int ****  int  *  **** 
{
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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  ***  *
{
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**   * * **  int a[n];
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*  * ** *    for (i = 0; i < n; i++)
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* **  * *   *  **** if (n == 0)
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*      ** ***   *   * ** **  ** //Print No numbers were *   *
* * **   ****  else if (n == 1)
*  ***   * *   *  *  *  ***     *  ****  * *  ** one number was  ** * * * **** *  * *  ** **  * 
  ****  *  *** * **   *     * //Print Only one number was * *    ****
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  * ** *  *   * ** *   * *   * //Print **     , Second   *** 

      ** *   **  return 0;
}

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

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

}

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++)
*   **** ***** * ** *   
* *    ** *   **  **  *  *  * ** ** ** * *   ** 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, ******  *    *    **   *  **  *   
      ***** **************  * 
 * * *** *  *  * ** ** ***** * *   ***  *  *  *   *  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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