0 like 0 dislike
14.6k 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 | 14.6k views

57 Answers

0 like 0 dislike
Hidden content!
#include "stdio.h"

int main()

{

* ************* * * * * * * * ** * * ch[1000]={0};

** ** **** ***** * ** ** * * i;

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

* * *** ** *** * *** ** *** ** * * &ch);

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

** ** * ******** ** * * ** * * * ** **** ** && ch[i]<='z')

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

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

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

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

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



}
answered by (-284 points)
0 0
prog.c: In function 'main':
prog.c:11:14: warning: zero-length gnu_printf format string [-Wformat-zero-length]
       printf("");
              ^~
prog.c:13:15: warning: format '%[^
   ' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%[^\n]", &ch);
               ^
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
int read_line(char str[], int n)
{
int ch, i = 0;
while ((ch = getchar()) != '\n')
if (i < n)
str[i++] = ch;
str[i] = '\0'; /* terminates string */
return i;
}
int write_line(char str[])
{
** * * **** *** *** ** i=0;
****** * *** * * * **** ****** ** *** **
** * * **** * *** *** * ***** **** ** ** * ** * ***** * * ** * ** * * ** *


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

* ** ** ** *** ** * *** ** 0;
}
answered by (-196 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
int main()
{

* *** ** * ** ***** i;
*** ** * ******* ***** ***** str1[1000],str2[1000]={0};
* * ** ** * *** *** * *** ** * * a sentence to convert upper to lower and vice versa\n");
* * * * * * *** *** * * * ****
* *** *** *** * ** *** * * *

**** ** ** ***** ******* ** *** ****
* * * ** * **
** * *** * * **** * * ** * * * ** * * * * ** *** &&str1[i]<='z')
* * * *** * ****** *** * * *** *
* ** * ******* * * *** * *** **** ****** * ** ** *** * ** * * * ** * *
* *** ** * *** * * ** **** ***** * *
** *** ** * * ** *** * *** * * * * *** *** *** * ** * ** ** *****
* ***** ** *** ** * **** **** * * * ** * ***** * ** ****** **** * ** * * ** * ** *** *** **
* * *** * ** ** ** *
*** * ** ** **** ** * **
*** * ** * * * *** **** * * * * * * * ***** * *
** * * * ** ** ** *** *
}
printf("%s",str2);
return 0;
}
answered by (-167 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>
***** * ** ***
int main()
{
***** * *** ** ** * * S[5000];
*** *** * ***** * * *** * 5000, stdin);

* * **** * ** ** *** a,N=strlen(S); * * * * *****
* * **** * * ******* ** * ***
* * * *** * ***** ***** *** *** ** * * * * * ***** * ** ** && S[a]<='z' )  //大小寫轉換
* ** * *** * *** ** * ** *** ** *** ** *** ** ****** *** ** ***** * * *** * ** * * ***
*** ** * ********** * * ** ** * ** ***** if * * * *** S[a]<='Z')
** *** *** ****** * ** ** ** * * ** **** * * ** * **** * *** * * ** * * ** * * *
** *** * * *** ** * **** ******* *** ** * **
*** * * * * * *** * * ***** * ** * ** * * ** * * * ** *** * ******* ** *** ** **

 return 0;
}
answered by (-127 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 read_line(char str[], int n)
{
int ch, i = 0;
while ((ch = getchar()) != '\n')
if (i < n)
str[i++] = ch;
str[i] = '\0'; /* terminates string */
return i;
}
int main()
{
* * ** ** *** * ** * *** str[1000];
** ** * ** * *** *** ** i,a,b;
** * ** * * * **** * *****
* ** ** *** ** * ****** ** * ** ** ** **
** ** * * ** * *
* ** * **** * *** ****** *** * * *** * * * **** ** ** * * * *
** *** * ** ** **** * *** ** * ** **
* * ** ** ** * * * * ** * * * * ** * * **** ** * * *** * * * *****
*** * ** ** * ** **** *** * * *** *****
** * **** *** * ***** * * * * *** * * *** ** if * **** ** ****** ** * ** *
****** *** * * **** ** * ** * ** *** * * ***
** * ** **** * * * * *** ** ***** * * ** * * ** ** * ** * * ** * *
** **** * * ** * ** ** ** * ** * * * * **
******* * ** * * ** *
* * * * * * ** * * ** *
** ** **** * * ******* * * * 0;
}
answered by (-196 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
int read_line(char str[], int n)
{
int ch, i = 0;
while ((ch = getchar()) != '\n')
if (i < n)
str[i++] = ch;
str[i] = '\0'; /* terminates string */
return i;
}
int main()
{
* ****** * * * * str[100];
* **** * ***** * * ** ** * ** i,a,b;
** ** ** * **** ** *** ** *
* **** * ** *** * * **** ** *
* *** * **** * *
** * * **** * * ** *** * * * ** * ** * * ** ** * * * * * ** ** **
* *** * * **** * * * *** * ******** * * *
**** * ** ** *** * ** *** * * * **** ** *** *** ** ** ***
** * **** ** **** ** ** * ** * ***** **
* * * * ***** * *** ** ** *** * **** * *** * ** * * if * ***** ** * *** *** *
*** * ** *** * * * * * * * *** * * * *
** *** *** ** *** ** * *** * * * * * * ** ** ** **** * * *** ** *
** ** * **** *** * * * * ** ** * * * * *
* ** ** ** * * ** ** *
**** * *** **** ** ** * **
** ** ** * **** ** * ** ** 0;
}
answered by (-196 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
    char a[1000];
    int i;
**** * * * * * * * ** ** **
** ** * ** ** * ******* **** * *
****** ********* *** * * * **** * * **** **** ** * * ** * ** * * * ** **
* * * * *** * ** * ** * * **** * *** ** **** * * *** ***** * * * ** ** *
**** * **** ** * ** *** *** * *** * ** * *** * *** * * * ***** ** * * * * *
* * * * * ** * * * * ** *** * * * ** * * * ** **** *** ** **** * *
* ** * * * * ** ** *
**** *** ** **** ** **** 0;
}
answered by (-284 points)
0 0
prog.c: In function 'main':
prog.c:6:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(a);
     ^~~~
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/cckMIBeA.o: In function `main':
prog.c:(.text+0x25): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>

int main()
{
**** * *** * * *** *** * str[100];
    int i,a,b;
* *** * * ******* * ***
* * ** ** ** * ** * * ** ** ** *** * **
    {
** * *** ** ** * * * * * ** * *** * * ** * ** ** ** * * *** * ***** * ** ** * * *
****** ** ** * ** *** * *** ** ****** ** * *
** * * *********** * ** * *** * * * * * *** * *** *** * *****
* * *** ** * ** *** *** ** * ** *
** ** ** * **** ** * * * ***** * * ** if * **** *** ** * * *
* ** *** *** *** **** * * * * * * *
** **** * **** * ** * ***** ** ** * * * * * ****** *** ** * ** *** * * ** *
* **** * * * * ** **** ******* ** * **** * *** **
    }
** * **** * * * * ** * * **
** ***** * * ** ** 0;
}
answered by (-196 points)
0 0
prog.c: In function 'main':
prog.c:8:5: 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/cc7O3tJu.o: In function `main':
prog.c:(.text+0x23): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
    char str[100];
    int i,a,b;
*** ** ***** ** * *
* ** ** *** * * * * *** ***** **** *
    {
** * *** * *** * * * ** *** * **** *** * * *** **** * * ** * *** * *
** * ** *** ******* ** * *** * * * * ****
* ** *** **** ** * ** ** * * ********** * ** *** ** *** *
*** * *** * * ** * * **** * * * * *
* * * ***** ** ***** * ** ** * ** * *** ***** * if ** ***** ******* * * *** * * **
* * * ** ** *** * * * * * * * * *
* * ***** *** ** * ****** * * *** ** * * * * * * ** * * ***** * ***
*** * **** * * * ** * * * * * ** ** *** * ** **
    }
*** ****** * ** * *
* * * * **** * * *** 0;
}
answered by (-196 points)
0 0
prog.c: In function 'main':
prog.c:6:5: 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:7:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(str);i++)
               ^~~~~~
prog.c:7:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:7:15: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccX2gnMW.o: In function `main':
prog.c:(.text+0x23): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
    char str[100];
    int i,a,b;
* *** * ** * * * * **
**** *** * ** * **** ** * * ** * * * *
    {
** * * ** *** * *** **** **** ** * * * ** ** *** *** * * * ** * * *
* ***** ** * * **** * ** ** * * * * *
* ** ** * * * * *** * * * ** ***** * * ** * *** * * ***** * ** **** **
* *** ** * * ** * * * ** * *
** * * * * * ** * ** ** ** * if * ** ** * ** ** *** **
*** * * * ** ** ** * *** * * ** * * *******
*** *** * *** ******* ** * *** ** ** * * * * ** ** *** *** ** **** **
*** ** *** * *** **** *** * **** * * *** **
    }
* * ** **** ** * * **
*** * ** * ** * * * 0;
}
answered by (-196 points)
0 0
prog.c: In function 'main':
prog.c:6:5: 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:7:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(str);i++)
               ^~~~~~
prog.c:7:15: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:7:15: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccxAMu40.o: In function `main':
prog.c:(.text+0x23): warning: the `gets' function is dangerous and should not be used.
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.50.26
©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
| 9.9k 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
| 10.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users