1-4 Exercise 3: String details

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Please write a program, the user will enter a line of characters, then the program will calculate number of digits, alphabets and another characters.

寫一個程式 輸入一個字串，計算字串裡的數字、英文字母和其他符號的次數。

Example input:

1234567890Ancdefghijklmnopqrstuvwxyz~!@#$%^&*()_+

Example output:

digit:10
alphabet:26
other:13

 

[Exercise] Coding (C) - asked in Chapter 13: Strings by (5.2k points)
ID: 40715 - Available when: 2018-01-04 18:00 - Due to: Unlimited
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53 Answers

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#include<stdio.h>
#include<string.h>

int main()
{
** *    * *** ** *** ** ** * * a[100];
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}
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  ***  * * **   *  *    
*** *  *** * *    *
int main(void)
{
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}
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prog.c: In function 'main':
prog.c:12:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
  for(i = 0; i<strlen(sentence); ++i)
               ^~~~~~
prog.c:12:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:12:15: note: include '<string.h>' or provide a declaration of 'strlen'
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Case 1: Correct output
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prog.c: In function 'main':
prog.c:6:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&sen);
          ^
commented by (4.3k points)
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prog.c: In function 'main':
prog.c:7:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&sen);
          ^
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prog.c: In function 'main':
prog.c:7:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&sen);
          ^
commented by (4.3k points)
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prog.c: In function 'main':
prog.c:7:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&sen);
          ^
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Case 1: Correct output
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Case 1: Wrong output
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Hidden content!
#include<stdio.h>
#include<string.h>

int main()
{
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}
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Hidden content!
#include <stdio.h>
#include <string.h>
#define MAX_SIZE 100

int main()
{
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}
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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/ccUZH0tM.o: In function `main':
prog.c:(.text+0x38): warning: the `gets' function is dangerous and should not be used.
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Hidden content!
#include <stdio.h>
#include <string.h>
#define MAX_SIZE 100

int main()
{
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** *** *  * *** **   *****     ** 0;
}
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prog.c: In function 'main':
prog.c:11:11: warning: zero-length gnu_scanf format string [-Wformat-zero-length]
     scanf("", &str);
           ^~
prog.c:12:5: 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/ccNXoqk6.o: In function `main':
prog.c:(.text+0x50): warning: the `gets' function is dangerous and should not be used.
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Hidden content!
#include <stdio.h>
#define MAX_SIZE 100

int main()
{
** *  ** * ****  **    **    str[MAX_SIZE];
 ** * ***   **   *  *   * *   alphabets, digits, others, i;

* * *   * *   *  *      *********** = digits = others = i = 0;
 *   ** * *****  ***** **    * *****  * * &str);
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*  **  * * ** **  ****   *  0;
}
answered by (-168 points)
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prog.c: In function 'main':
prog.c:10:11: warning: zero-length gnu_scanf format string [-Wformat-zero-length]
     scanf("", &str);
           ^~
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/ccinxSTa.o: In function `main':
prog.c:(.text+0x50): warning: the `gets' function is dangerous and should not be used.
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#include <stdio.h>
#define MAX_SIZE 100

int main()
{
**    * ** *  ** * **    * *  ****  str[MAX_SIZE];
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**  ***  **   * **  **    ** * * 0;
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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__;
              ^~~~
prog.c:35:5: error: expected declaration or statement at end of input
     return 0;
     ^~~~~~
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#include <stdio.h>

int main()
{
   *     ** *   **   * * * str[100];
*****  **  *** ** ** * * * * alphabets, digits, others, i;
 * *  ** ****    *  * *   ** **
  ** ** ***** ***** * *** **  *     = digits = others = i = 0;
**** * **   * * ****  ****   **      ("%[^\n]%*c", str);
  
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 ** * *  **** **     * *** * ***********  **  * others);
    
*   *   *  ** * **   *   * **  0;
}
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#include <stdio.h>

int main()
{
*  **** * *** ** *  *  *    * **  string[100];
*****  ***  ** * ***  * * s = string;
* ** *  ****** * *  *** * *   * a,d,o;
    
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 ** ** *    *  * **  **    ** **** ******  * * * 
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   * ******     * **  *    *** *** * * **  ** ***  ** *           *  ** *  
   
* *** *   * *    ** *   0;
}
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Hidden content!
#include <stdio.h>

int main()
{
 ** ** * **** **  **     string[100];
******  ***  ***** * * **  *  * s = string;
 *   *    * ** **   * ***  ** a,d,o;
    
 ****   * *  *** * * **   ****** * = d = o = 0;

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

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    {
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**   *** * *  ** * *   ** *   *  ***   **  ****  * ** ** *** if(*s>='0' && *s<='9')
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*******    * *  *  *** *       ***   ** **  *  **** ** *  *  *  *  * **  **  * *****
    *  *  * ** *****    * *  *  **  * *   ** *  *  *    **  
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* ***    *   * *  ** *    * **** * *  * *** * *   ***  * * *   *   **
   
  *    *  **     *  *  ****     0;
}
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1-4 Exercise 1: String compare function
[Exercise] Coding (C) - asked Jan 4, 2018 in Chapter 13: Strings by semicolon (5.2k points)
ID: 40713 - Available when: 2018-01-04 18:00 - Due to: Unlimited | 12k views
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1-11 Exercise 3: Prefix of a string
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
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1-4 Exercise 2: Sum of big numbers
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ID: 40714 - Available when: 2018-01-04 18:00 - Due to: Unlimited | 10.6k views
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