0 like 0 dislike
13.1k 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 | 13.1k 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:172.70.80.232
©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
| 8.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users