0 like 0 dislike
12.2k 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 | 12.2k 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:172.69.130.218
©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
| 8.3k 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
| 8.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users