0 like 0 dislike
9.4k 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 | 9.4k 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:172.70.127.116
©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
| 6.6k 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
| 6.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users