1-11 Exercise 2: Reverse a sentence

0 like 0 dislike
5.9k views

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

 

[Exercise] Coding (C) - asked in Chapter 13: Strings by (12.1k points)
ID: 41436 - Available when: Unlimited - Due to: Unlimited
edited by | 5.9k views

29 Answers

0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>

int main()
{
**     * *  * **   ** * ***   **** i,o,txtlen, end;
   **         * * *   **  sentence[100];
   **    ** * * *  *****    * *****      ** *    *  sentence);

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

  *** *  **** ***  ***** **  * i>=0; i--)
   * *** * ****   ** *  
 *** * ***     ** *  *  *    *   ** *   *  * * ** (sentence[i]==' ')
**    **** *** ***** *  *    * * ** *** *       * 
*    * ****   **  **** * * * *    * * *   * * * * *  ** *   **  ****   **** * * *    *  o<=txtlen; o++)
* ***    * ***    * *** *   ** **    *** ***  *  *** *  * *     * *** ****  ***  **  ****     **** ******  *******     ***  ****  ***** *  * **   
   * *   ** ** ****  * *** **  * *  *  ** *****  *  ******* * * ***** * * ** **** * * = i-1;
  **  *  *    ** ***   * * ****   **    *  ****  *  ****  **  * **  ***  ** *** * * * *  *** *  ");
**  ***  ****  ***  ** * *** *** **   * * *  * **    ******* 

    }
* *   * ** *   *    ** ******  *** i<=txtlen; i++)
** *****   ***  * ***  *    * ***  ** *   ****** **     * ** ** **  **   sentence[i]);

}
answered by (-336 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>

int main(){
    int c,d,e;
    char a[100];
  *** **** * *    *  *** *  *   ***  ***   ** *  ***** *
** * *  ** * * *     * **  ** ***    
 *   *   *** * **  *    *    *   *** ***** * ***  *
 * *** *    **    ***     **    * *  * *  **  
*  * *** **** **    ** **********  ** * * *****  *    *** ***    *  * * ** *  * '){
*  ** * ******** **** *     *   ** *   ** **** ***  *  *** *  ****    * ** *  *  *  ***** *    * * ** * * **   * ** * **   * 
    *  * *   ***** * **   *      ***  * *** * ** * **     ** *  * ******   *  ******* * *  *  * *  * **   *  *  ******  ***   ** ** *    * * *  *  ** *    **   **  **** sentence
 ** ** ***  * **  *  * * **   *** ***  *  ** **** *     *  *  *   ** ** * *** *  * * * *    * * *  * ***  
* ** **   * * * * **   *  *** * *  **     * * *** *    * *  * *  *    ***  ** *** ******** * * **   *  *  *   **  ");
*  * * ** *   *  *   * *    *** ** *** ** *      ****    * * **   * **  **     *  *   ** ***      *  *  *
 * *  *   * * ********* *   *** * *   * *    **  **  *  ** *  * *  ****  **** ***   *  * 
    }
 *  *  *    **     *  **  *  ***    ** * ** 
 * * * * *  *    * ***   *** * **  * *    * ** ****  *  ** * ***  * **  *  ** ** *  
    }
    return 0;
}
answered by (-498 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>


int main()
{
* **** ****     * *     ** * str[1000], reverse[1000];
 *********      ** * *  * *  len, i, index, wordStart, wordEnd;


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

*** *    * *  * ****    *** *** **  *   = strlen(str);
    * ** ** ** * ****   ****   = 0;


  *  * * *  **   **  ****  * **    = len - 1;
*   ** **  *  *  **** * *  *  *      = len - 1;

 ** *  ** *    **  *  ***  * * *  > 0)
 ****    *    **  **  * * 

*  ** *    * *     ** ** *** *** ** ****   **    * **** == ' ')
    * ** *     ** **  **** * *  ***  *****   * ** *  ** * ** 

 ******** *  **     * ***  **    *** * * ** *   **** * *  * ** * ** *** *   ***  * **  * = wordStart + 1;
       *  *  ***  ** * *  ****  * * *   **  *   ** ** *    ** **   ** **  *  *   ** * * ** ***    <= wordEnd)
* ** * **    *  * *  *  * **  ****  ***  ***  ** * ** * **   * ***** * **   
** **  **  * *  ** *  ** ** ** **** **  *** ****   ** *    ** **  * *   **     * * * ***** **** * ***** *****  * *  = str[i];

*   *** * *  *** *    *  *  ******   * * **  *      *  * *** ***  * **  * *  **** *  * * * * * *** * ** *
*      * * ***** * **   **    * ***** * *    ** *   *** *******   * ** ****  *** ***   * *  * **** *     * 
  *** ***** ****  *     ** **   *    ** *     *  * ****** *    *  * ** *  * ** ** * 
 *   **  *   **  ******** * * *   ***** ***    *    **** * * **   *** *    **  * *    *      = ' ';

**  *    *  ***  * * *   *** *** **** *   *   * ***   ** *  ** * ** ******  **  *  *  = wordStart - 1;
* **    *     **** *       * *      ** ** * ** ***  **

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

 ** * ***   ***  ** * **** *  * i<=wordEnd; i++)
    {
   * *    ***   *** ** *     *** * **   ** ****  ******   *   ** *   = str[i];
 ***    *  * ****   **  *** **   * *   * * * *** ***    * ** * 
    }


 ***  ***    ***** **   *****     **  = '\0';


  *  ** * *      *  ** *   ********** *** **  * reverse);

   *   ** **   *   * * *    **   0;
}
answered by (-196 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>
int main()
{
    int i=0,j=0;
    char a[100],*b[100];
* *  ***** *  * *   * *   *    *   * *  ** * 
 * ** * **     **** * * *** *   * 
 * * *  * *  *** * ** *** *  ** *** *   ** *  * * ** * **
**** * * *  ** *** * **  ******** *    **    * * *   *  * *       *  ** *** * * **  *** *   *
 *** * ** ***  *** ****  *  ** **** ** ********** * **   **     * 
  **  ***  ** ***     * *** ***   **  *  *  *  *   ***  ** ***  **    *** **   * *****  
* ** * * **   ******  **    **   *   **** * **  *  * **  *****     ****    **  * **    *   
 **   ** *  *** *  *   *       **  * *  * ***** * * **  *** ** ** *  ** * **    * * 
*  *    * ****   *     **  * **    *   * *****  **  * *****  
 *** ** ** *****    *  *    * ** * *** **** * ***  **   **** *  *
    }
*  ***   ***   *  ** *  ***       *   **    *  
** * ****    * ****      **   ***  *      ****    * **  **  ***     *    ",b[i]);
    }
*   ** *** ** *   * *****       ***  *   *  *   * 
 ****    *  ***********   **  0;
}
answered by (54 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
    **   *  * **

void reverse(char *first, char *last);
void reverseWords(char *s)
{
 **** *      ***    ** **   *first_word = s,*temp = s;
 ** *  ** ****    *  ***  ****  * *temp )
***  *   ** ****   ** * *  **
 *** *  * *** ****  *** ***  **  **  **  * ** **  ** ***
   *  * **   *  ** * *  *** ** * **     **   **** **    ** (*temp == '\0')
 *    *    * * * *  * *      * ** ** ***  * *  *    *  **  * *** * * ** * **  temp-1);   }
*  ***   ***    ****      * * ***    *  *   *    *     *****     if(*temp == ' ')
 *  *      ** *  *   * * *  * *  ** ****    * ** * * *  * *    * * ** ***** ** *  **   ****  temp-1);
 * **   *   *** * *  * *          * *****  * *   **      * *****  * ** * * **** * **  = temp+1;
     *      ** ***     *       * ** *   *** * ***  *   
    **  **  **** *  * *  ****
*  ***  ***   *    ***    ** *    * *  temp-1);
}
void reverse(char *first, char *last)
{
 **               * * * *  *  *** temp;
* *  *  * *    **   *   * ** * * * (first< last)
  ****** **  ** * *   *        temp = *first;
       *****  ** *  * * *  * *** **    ***     *** * *   *  *   = *last;
 * **       ** * *   **   *** ***    **  **  *****  * ****  = temp;
  * * *  ** **  **  * * **  **
}

int main()
{
*   **** **  * ** ***   * ***** * s[100];
 *** * * **     * * *    *****  ** *  * ****** **  ******  * s);
**  *  ** * *** **  *   *  *   * *temp = s;
 ** ** ***        ** ** ** ***  ******  
*   **  * **  *  * **    **  * *******  ** s);
* * *  *    ***   * * ***  * 0;
}
answered by (-304 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Correct output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
#include<string.h>

int main() {
    char s[1000];
    int len=0,count=0,i,check=0;
    fgets(s,1000,stdin);
    len=strlen(s);
      len++;
    for(;len>0;len--) {
   ** **** * *** *    *  * ** *   *  *** *  **  * *****    * ***   * ') {
 ***** ** **** * **** **  *   ** ** **  *   *** * ***   * * *     *  *   **** ***   **   *   * *  ** * **  {
** *****    **  *** *   ** *  ** * * **** ***   * * * ****  * ** ** **** *   *   ***    ***    ** * * **     ** ****  {
 * ** ** *       *  **  *  *  * ******* *********     **        * *     *** * *  * *   *   ** *   *     * **  * **  * *  *** ****
  *** ** *  * ** **  ** *****   ****  *  *   ***** ** * *       **  ** *      ****     *   ** ** *   * * * *
*    ** * *****  **     * *  **    * ***   *** * *   * **  ** ** * * *  * *  *   ** *  * *     * **  * ***** {
   **   *    ** **** ****  * * * **  **  **** * ***** *     *       *    ****   *  * * *  *       * ** ***  *   **** *    **** *    ***  *** *  * ** **   s[len+i-2]);
** ******* *   * *     * ** ****      *** **  *  ** ********   * **   ****** *  ***** *  *     **  * ** * 
*             **  *    *  * * * *******  *  **** *   *  *  *   *   ** **  ** * * * *
******  *    * *  **** *** * ** **  **    *  **  ** **  *         ****   *    * ** *   
        }
* *     **   *** * * * *    * ****  ** *    *  ***** *   *  * if(len-2==0) {
** ***  ***   *  *   *    ***** **      *   * *   * ** **  **  ***** * * ** **** *****   {
** ** ** * * ** ****  *   **   ** ******** *   * *  * *  * *   *   * *   ** *******   *   *  * *     * ******     * ** ***  ");
  * ****    *   * *** **  *   ********  * *  **   * **    ** *** ***            
***    ** *** *  *****  *   *** * *     *        *   **  **** * *  **  *****  ****  *  * *   * ***  * * * {
  ****        *** **   * *** * * ***    * *   * **    * **** * * *  * *  **   *  **    **  *  **  ********   *** ** *     *** s[len+i-2]);
***  ** * **   * *   * **  *** * ** **       **** *     *  *  ** **  **   ** * *   *  
*  ****  *  *   *  * * * * * *  *   **   *  *     *** 
*** ** ** * * ** **** *  ***    * * *  **** **      **  *  * ** {
** * *** *   *  *  ****   *  ****  *   **  * ** ** *    * **       **  * **   ***    **  
*  * ******  ** *      ** ** * ** *  * * ***   ** *    
    }
}
answered by (-120 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>
#define MAX_SIZE 100

int main()
{

*  ***    **  *  *  * *    *** str[1000], reverse[1000];
*****  * *  *  *****  *   *** ****  len, i, index=0, wordStart, wordEnd;

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

*  * ***** **** * ** *  ***   ** *   = strlen(str);


*  * * *  *    *****  *****  **  = len - 1;
** **** ** * *  * * ** * ** *** **   = len - 1;

**** **** * * **  **  *** *** ** **        > 0)
    {

 ** ***      **    * *     **   *    *   ** * * *   ***  * ** * ** == ' ')
 *** ******** *  * *** ***  * *       **  ** ***

 **  **         **    * * * * * *  ***    ** ** *****  ** * ** *  ***  *   **     = wordStart + 1;
    *** ****** *** *  *     ***  * ***  ** **  ** ****   * ******  ********  *******  *  * * <= wordEnd)
***  ***  *  ** * * *  ** ******  *** *** *  * **  * ***  * *   *   *   **   **  ****  *
* ***    * ****** * ***  ** * * **  *****   * *** *   **** **       * ** * *  *  ** **  * *  * *   *  ** ***  ******  * *   = str[i];

 * *  ** **  * * *     ** * * ******   * * *   ** * **** *  *** ** **  * ** ** * * ** ** * * *   *  * *    * 
 *  *  **    **** *****   **** ****  *  *  ***  * * * ***  ****** * ***** ** *  ***   * *       * ****  ** 
** * ***** ***** **  *  ** ** ** ********  ****          **   **     ** *      * 
  *** ***   * ** ** * **     *  *  *  *  *      * ** * ** *  * *****   *   * *** **   *  * *   * ** = ' ';

  ** ***     * ***  *** **   **   * *****   ** * *   *  *       *****    * *  *    * * **  *   = wordStart - 1;
   * **   **  *** *   ** *      * **    *** *  *  *  ** ***

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


***   *****    *  *  ** **   *** i<=wordEnd; i++)
    {
** *  *  * ** **    *****  ** * **** ** **  ****  **** ***  ***  * = str[i];
*** * *    *  *  *  *    *  ***** *** **  **  **   **
    }

    *  *  ** ***  * **  **  * ** = '\0';

*   ****   **   ** **  * ***    ***** ***  *     reverse);
* ********  *   **   ** **    ***  (i=0;i<strlen(reverse);i++){
 *  *  ** ** * ** ** * ***  *** ******  **   * ***  (reverse[i]=='\n')
    *  **  **   *  *  *   *********  *  ******  *** **** ** * * *** *** ** * 
* **   *   **  *** * *  ** *** * *    *** *  ** *** 
   ** ** * *** * * **  * **    ***       **  * * * ****       ***       *   * * ** ********       ****  * ** * ** ***     
*****    **** **   ** *  ** 


*  * *   *  *** *** *   ******  0;
}
answered by (-323 points)
edited by
0 0
prog.c: In function 'main':
prog.c:10:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(str);
     ^~~~
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/ccHXIf7r.o: In function `main':
prog.c:(.text+0x2f): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:11:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(str);
     ^~~~
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/ccDHB1g4.o: In function `main':
prog.c:(.text+0x30): warning: the `gets' function is dangerous and should not be used.
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <string.h>

int main(){
** **  * * * ***     * * **  **  strSlice[500][50];
    ***   *    ** **  *** *** *  **  i=0;
 * * ** * * ** ** * *****  ** ***   ** *  *** ****** * ***    * EOF){
*  **   *****  ** *  ** **  ***    ***  **    * ***** ***    
*   **      *   *   * ** 
 ****  *  * *  ****     ******* flag=1;
 *  *** * * ** *  *  * *  *  * *
  *   * *** *  ****** ***    *******   **  *   * *   **** ** **  *  *
      ****   ** ***  *    ***  ********   *    **   *** *** * **  ***   * * **** * ** * ** *    ** ***    * * 
***  *   ******** *  ** *  *            ***  ****     *** * **   *** ***** **
      * *      ***** *** * **** * *****  *    *******
   * * ** **   *    **  * *     **  ** **  * *  **   printf(" %s",strSlice[i]);
    }
  ***    * ***  *        *   **** * 0;
}
answered by (-116 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
* *  *****   ** * ** * *  * *  str[100];
*   * *  *** *** *   * * * * * space[100] = {0};
*    *  ***   **** *****  d = 0;
* ***  ******   ** * ***  i = 0;
* *** * *  ** *   *  *      * ("%[^\n]%*c", str);
  
 **  *  ** *          * *** * *     * **
* ** ***  *  * ***     *  ***
 *    *   *  * * *         *  *** ***** * *  * **   ** *** (str[i] == ' ') {
  *  * **   **     *  * ****  * **  *  **   *** * **  *  ** * **** *** * **** *    **  space position with letters count following
  **  ** * * *           **   *  **  **   **** ** *     * *** * *** *  *   ** ** * * * * = d;
****** **  ** *  ** **  *  *  * *  **  * *   * ** *** *   *   *  *    **** * * = 0;
***  *** *** * ***     * **   ** ***  *    *  * **   else d++;
 ** **   **  **  * *  *       ******      **  ****  * * * ****  
  *** ***    * *  *   *****
*  **   ** * ** * ***    **  ***    words count
**   ***    * *  *** * *  ** ** * = d;
*  ***        *  **  ***  * now i actually is the length of str
* *** *  **  * *    * ****  (int j=i;j>=0;j--){
*   *    * ****  * **  *  * ** ** * ** *     ***  (space[j]>0){
   * * *  *  *    * **    *****   ******   * *  *  *  * * ***  **  ***** ** **    * ***  **  (int k=j-space[j];k<j;k++)  *       **  *  ** *  *  **
    *    *** ******  *** ** ***** *** ** ****   ****  ***  **   ***  ****   * * ** * (j!=space[j]) printf(" ");
* ** * * * ** ***** **** * ** * *  *   *  **   * * *   *  * 
*    **** ********  *  *  *  * ***   * * *     *  *
* ** *     **  * *  *    **  *
   *   * *      * * **  *****    ***** 0;
}
answered by (12.1k points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.59.173
©2016-2025

Related questions

0 like 0 dislike
27 answers
1-11 Exercise 3: Prefix of a string
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41439 - Available when: Unlimited - Due to: Unlimited | 6.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users