0 like 0 dislike
10.6k 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 | 10.6k 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:172.69.59.115
©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
| 7.3k 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
| 7.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users