0 like 0 dislike
10.3k 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 | 10.3k 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:172.71.254.88
©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
| 7.1k 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
| 6.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users