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:172.71.254.224
©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