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:172.69.6.99
©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