0 like 0 dislike
15.7k 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 | 15.7k 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:172.71.254.104
©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
| 10.9k 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
| 10.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users