0 like 0 dislike
13.2k 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 | 13.2k 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:172.69.214.38
©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
| 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
| 8.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users