0 like 0 dislike
13.3k views

Write a program that reads strings of up to 1000 characters continuously and displays them, after replacing the lower letters with upper letters and vice versa.

寫一個程式 輸入一個字串(最多1000)  把小寫轉大寫大寫轉小寫

Example input:

With the rise in GLOBAL warming and increasing POLLUTION levels, it is becoming essential to find a viable alternative to the internal combustion engine petrol powered CAR.

Example output:

wITH THE RISE IN global WARMING AND INCREASING pollution LEVELS, IT IS BECOMING ESSENTIAL TO FIND A VIABLE ALTERNATIVE TO THE INTERNAL COMBUSTION ENGINE PETROL POWERED car.
[Exercise] Coding (C) - asked in Chapter 13: Strings
ID: 41431 - Available when: Unlimited - Due to: Unlimited

edited by | 13.3k views

57 Answers

0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    int i;
    char a[1000];
** * * * ***** ** * **** * ** ** *
    for(i=0;i<strlen(a);i++)
** ** ** * * ** *** * * *** **** *** ** * **
** * * * * *** *** *** ** * * ** ** * **** *** *** ** * ** *** **** * && a[i]<='z')
* * ****** * * * *** * **** * * * * * * * ****** *** ** * * * * ** **** * **** ** * * * *
* ** ** *** * ****** * * * **** *** * * **** *** ***** * * * * *** *** * ** * * * *** **** ** * * **
** ** * ******** ** * * *** ***** *** *** ** * *** ** * *** * * * * ** * *** ***
** * * * * * **** ** * * ******** ** ** * *** * * * ** if(a[i]>='A' && a[i]<='Z')
** * ** ****** * * **** * * ********* * ** * * ** **** ** *** ** **** * * ** *
*** * * * ** ** *** * * *** *** **** * * * *** ** * ** ** * ****** * * *** * * * * * ** ** * *** ** *
* ********* ** ** * ** * * * ***** ** * * ** * * ** *** ** ** ** * ** *
* * ** * * * **** ** * ** *** * * ** ** * * *
*** * *** * **** **** *** * *** ** * ** *** ** * ** * *
}
answered by (-301 points)
0 0
prog.c: In function 'main':
prog.c:7:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%s",&a);
             ^
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    char a[1000];
* ***** *** ** * * * **
    int i=0,l1;
* ** *** * * *** ** * * *
* ** * **** * * *** * * *
* *** * * * * ** ** * * ** ** ** * ** ** ** * * * ** ** * *******
*** ** * * ** * ** *** * ** * **** **** ***
** * ** * ***** * ** * * **** ** *** * * * * * * ** * **
* * * ****** ** ** *** * * * * * ********
**** ** *** * * * **** ** * * * * ***** * if(a[i]>96&&a[i]<123){
** *** * ** * * * **** ** * *** *** * ** ***
** * * * **** * ** ** * * *** * * * ***** * * *** * ***
* **** * * * * *** * ***** ** * ** * *
* * * * * * ** * * * *** ** * * * ***** **
** **** ** **** * * * ** * * ******* ** ****** *** ***** ** * * * ** * * * * ** * **** **
* * *** * ***** * * * * * *** * * * * *
    }

}
answered by (-329 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
** * * * * * **** *** ** string[1000];
** * **** * * * **** i=0;
** * ** * * * ** * ** ** *** * **
* **** * * ******* **** ** *
    {
* ** **** * * *** ***** * ** ****** * * * * * * && string[i]<='z')

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

* * * * * * * * *** ***** ** * *** * *** *** if(string[i]>='A' && string[i]<='Z')

*** * * *** * * ** * ********* ** * ** * ****** * ** * ********* ** = string[i] + 32;

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

*** **** ***** ** * *
* * * *** **** * * ** * * ** ** **** **
** *** ** * * *** * ** ****** *
* ** * **** * ** * * ** ** ** * *** *** ** * * *
*** *** * ** * ** **
** * *** *** ***** *** ***** ******** * * * *****
* * * ***** * * * 0;
}
answered by (-323 points)
edited by
0 0
prog.c: In function 'main':
prog.c:7:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(string);
     ^~~~
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/ccuYke74.o: In function `main':
prog.c:(.text+0x2f): warning: the `gets' function is dangerous and should not be used.
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++){
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
prog.c:24:5: error: expected '}' before 'else'
     else
     ^~~~
prog.c: At top level:
prog.c:26:5: error: expected identifier or '(' before 'return'
     return 0;
     ^~~~~~
prog.c:27:1: error: expected identifier or '(' before '}' token
 }
 ^
0 0
prog.c: In function 'main':
prog.c:24:5: error: expected '}' before 'else'
     else
     ^~~~
prog.c: At top level:
prog.c:26:5: error: expected identifier or '(' before 'return'
     return 0;
     ^~~~~~
prog.c:27:1: error: expected identifier or '(' before '}' token
 }
 ^
0 0
prog.c: In function 'main':
prog.c:21:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(string);i++)
               ^~~~~~
prog.c:21:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:21:15: note: include '<string.h>' or provide a declaration of 'strlen'
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
** ***** ** **
int main(void)
{
**** * ******* **** str[1000];
*** ** * * * * * ** *** i,temp;
* ** ** * *** *** * **
** * * ******* ** ** n = strlen(str);
*** **** ** * ** * ** * ** ** * ******
** ** *** * * ** **** ***
* * * * * ** *** * * ** ** ******* *** * ** ** * * ** && str[i] <= 'z')
* * ** * ** * ** ** ** * ** ** ** * *** * * * * * * *** ***
***** **** * * * * * * * ** ** **** * *** if(str[i]>='A' && str[i] <= 'Z')
* * ***** ***** * * *** ** ** * * * **** * * ***** ** * * **
* * * * ** * ** * **** *** * * *** * *
* ** * * *** **** **
** *** ** ** * * ** * * ** ** * * ** ** * *** * 0;
}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
* * * ** ** ** * ** * array[1000]={0};

* * * * * * * * * i = 0;

**** ****** * * **** * * * 1000, stdin);

* **** ** ** * ** ***** * ** len = strlen(array);

* ** *** * * * * ** *** ** = 0; i < len; i++)
** ** * * * * * * * *
** * * *** * * * * * *** * * *** *** >= ** **** ** * <= 'Z'))
******* **** * * * *** ** ** *** ** *
* * *** ** * ** *** * *** * * *** * *** * * **** ** ** * * **** ** += 32;
**** * ** * ** **** * * ** *** ** ******* *
* * * ** ** ** * ** * * * * **** ** *** ** ** if ((array[i] >= ******* ***** * * *** <= 'z'))
** *** * **** **** **** * * * ***** **** **
** * * * * **** * * * * * * *** *** **** * * ***** * * * * * ** * **** -= 32;
***** **** * ***** ** **** * ** * ****** * ***
* * ** * * ** ** * * *** * *** ****** * ** ** ** ***** ***** * * *
* * ** * *** *** *** *
* ** * ** * **** ** ** ***** * * 0;
}
answered by (-284 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
** ** * ** ******** * * array[1000]={0};

** **** ** * * *** i = 0;

* * *** * * ** ** * * ** ** 1000, stdin);

** ***** * * * ** ** len = strlen(array);

* * * ** *** ** * * * * = 0; i < len; i++)
**** *** ****** * * * *
** ***** * * * ****** * **** ** ** ***** ** * ** >= * * *** *** * <= 'Z'))
** * * ** * ** * * ** * ********* *** *** *
* ***** * * * **** *** ** *** ** * * *** ** ** **** ****** * += 32;
******* **** * *** ** * ** ** *** ** * * *** *
* ** ****** *** * * ** **** * * *** * * *** if ((array[i] >= **** * * ***** ** <= 'z'))
* * * * * * ** ***** * * * * ** * * *
**** ** * **** ** ** * * ** * * ** * * * * * * ** * *** ** -= 32;
* ** *** * ** *** *** ****** * * * **
** *** *** ** ** ** * * *** ** ** **** * *** ****
* ** ****** ** *** *** ****
** ** ** **** * * **** * 0;
}
answered by (-108 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <studlib.h>
#include <string.h>

int main()
{
**** * **** * * **** ***
** *** * ****** * array[1000]={0};
* ******* * * * * ** * * i = 0;
***** ** * *** * *** * *** **** 1000, stdin);
* *** ** ** ** len = strlen(array);
*** * * *** * * * ** ** * i<len; i++)
* ** * ** ***
* ** * ** * ** * * **** * ** * * ** * * ** * *
** * ** ** * ****** **** **** *** ** ** >= ***** ** *** ** *** <= 'Z'))
** ** * *** ***** * * **** * * * ** *****
** * ** **** * * **** ****** * * ** * * * ** * **** ** * += 32;
***** **** ** * * ** ** * ** * * *** * ** * * *
* * *** * * * * ** * ** ****** * * * * ** * *
** * *** ** ** * *** * **** *** ***** **** * if((array[i] >= 'a')&&(array[i] <= 'z'))
**** ********** **** ** ** * ** ** * * * * ***
* ** * * * * * * * * * * ***** * * *** * *** * *** ***** *** -= 32;
** **** * * ** * ** * *** * * ** ** ** *
**** ** ** **** **** * * * ** * * * * ********** * * **
* ** *** ** * * *** * *
** * ** *** ** * **** * 0;
}
answered by (-284 points)
0 0
prog.c:2:21: fatal error: studlib.h: No such file or directory
 #include <studlib.h>
                     ^
compilation terminated.
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>

int main(){
**** * * * ***** ** * * * * str1[1000];
* ** **** ******* a,b,c,d;
** * ** *** * *** * ***** ****
* *** ** * ** * **** * *** * * ** ** *
** * ** ** * ******* * *********
* ** * ** * * * ** *** *** * ********* * * * * * ** ** *** ** ** * &&str1[a]<='Z')
**** * * *** ******* ** *** ** * * * * * ** ** * * ** ** * ** * *
**** ** **** * **** * * * * * ** * * ** * * ** * ********* *
** *** * ** * * * ***** * * * * * * ** ** ***** ***** ***
    }
** * *** **** ** ** * *** **** * ** * *** ***
** * *** ** * **** * ** * * * 0;
}
answered by (-498 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>

int main()
{
********* ** * * ****** str[1000];
    int i;
* *** * * * ** * * * * * ** * ** ***
* * * ********** * *** * ***** * *
    {
* * * * *** ** * ** *** * * ***** * * ** * ** * ** * * * ** ** * ** * ***
** * ********** ** * ***** *** *** ****
* ******* ** **** ** ** ** ** ** * * * * * * **** * * * * *
**** **** ** ***** ** ** ** * * * ** ** *
* ** ** ****** * * ** * * * * ** ** ** *** if * * * ** ** ** *** *** ** *
******* ** * *** ** **** ***** ** * ** * *
** * ** ****** * * * * **** *** * *** *** * * **** * ** * *** * *** ** *** ***
* *** ** ** ** * * *** *** ** *
    }
* * * * * * ** * * *** * **** **** *

* * *** *** * ** 0;
}
answered by (-196 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{
    char a[1000],b[1000];
    int i,j,len;
* ** *** ** * *** * * **
    {
*** * ****** * ** * ** *** * * * * *
    }
* ** **** * *** * ** * * ** * *
* ****** *** * * ** * *
** *** **** ** *** * * *
    {
**** * *** ** * * ** * *** ** ** *** * *** * *
* *** *** ******* **** * * * ***** *** *** *
* **** * * * * ***** *** ** ****** * *** * * * *** * * * *
* * ** * * *** * *** **** * *** *** ** ** ****** * ****
* *** ** * * * * * * ***** ****** * *** **** * * * ** ** ** *** ****** *** * * * ** ** *** * *
*** * **** ** ** ** **** * * * ** * **** * * * * * * **
* * ******* * * ** ** * ***** ** ** * * **** ** ** ** * * *** * if(a[i]==97+j)
* ** ** ** ***** ** * * ** * * * * ** *** ****** ** ********
* * ***** * **** ** ** * ** * *** **** * *** * * * * **** ** * * * ** * * * **
* ** ** * * *** ** ** * ** * ** *** **** *** * ** * * * *** **
***** * ***** * * * * * ** ** *** * * * *
***** *** * * ** **** ** * ** ** * * *** ***** * * ****** ********
    }
}
answered by (-255 points)
0 0
prog.c: In function 'main':
prog.c:11:9: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     len=strlen(a);
         ^~~~~~
prog.c:11:9: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:9: note: include '<string.h>' or provide a declaration of 'strlen'
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.6.173
©2016-2025

Related questions

0 like 0 dislike
27 answers
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41439 - Available when: Unlimited - Due to: Unlimited
| 9.2k views
0 like 0 dislike
29 answers
[Exercise] Coding (C) - asked Jan 11, 2018 in Chapter 13: Strings by thopd (12.1k points)
ID: 41436 - Available when: Unlimited - Due to: Unlimited
| 9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users