0 like 0 dislike
10.5k 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 | 10.5k 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:172.70.130.221
©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