0 like 0 dislike
10.4k 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 | 10.4k 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:172.71.255.120
©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
| 7.2k 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