0 like 0 dislike
13.2k 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 | 13.2k views

57 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
int main ()
{
** * * *** *** **** a[999];
* ** *** * **** ** * i;
*** * *** * ** *** (a,999,stdin);
**** * ** * * ********* (i=0;a[i]!='\0';i++)
    {
* * * * ** ** ** * ** * * * ******** ** * * * **** ** * * **
***** * ** * *** *** * * * * * *** ** ** ***** * * * ** **** * * ** **
* ***** * ** * * *** * **** * * ** ** * * *** * * * if ** * * * *** * * * * * * *
*** ** * ***** * * ** * ** * **** * * * * * *** * ** ****** * *** *
** *** * ***** * **** * **** ** * ***** * ** * * * * ** ** ** * ******* * * * *
    }
** *** ***** * * ** * 0;
}
answered by (-32 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include ** * * **
#include <ctype.h>
#include * ** **

int main()
{
*** ****** ** *** * * * ** str[1000];
********* * * ** **** *** i;
* **** ** * **** *** * * * ** *** **** ** *
* **** *** * ** **** * * * ** * *** *
* * * ** ** ** *** ***** * **
* * *** * ** * *** ** ** **** ** * * ** * ** (str[i]>='A' && str[i]<='Z')
*** * * * * * * *** *** *** * * ****** * * *** ** * ******* ****
** * * *** ** * *** * *** ** ** if (str[i]>='a' && str[i]<='z')
** * ***** * * ** * *** * ** * ** ******* * * ** ** *** ******* * * * * * ***** ***
** * ** * * * ** *
** ** *** * * * ** ** *** * ** **** * * *** **
* * ***** **** ***** ** 0;
}
answered by (-249 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
    char a[100];
    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/ccggSZJP.o: In function `main':
prog.c:(.text+0x1f): warning: the `gets' function is dangerous and should not be used.
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main(){
    char c='a';
* * ** * ** ** **** *** * ** **
**** ** * * ** * * * * * *
* * * ** *** * ******* * ** *** * * * * * ** * **** ** * ** * **
* ** * * ** * * * ***** **** **** *** * * ** ** * * * **** *** * ** ****** * **
*** *** * ** *** *** * ** *** ****** * ** **
**** * * ** * * * *** * ** *** * ******** if(c<='z'&&c>='a'){
** * * *** *** ******* ***** * **** * ** ** *** * * ** * *** * * * * * * * ** ** ** *
* **** **** ** ** ***** * * ** **** ** * *
* ** * * * * * ** ** * * * * *
* *** ** ** **** * ** * * * * *** *** * ** ** * *** * * * * * *** **** ** ** * **
** ***** *** **** ** * *** * ** *****
* ** * ** * * ****** * *** * *** *** *** ** ** * ****** *
    }
    return 0;
}
answered by (-116 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 main()
{
    int i,t;
    char a[100];
* *** ******* * *** * * * ** *** *
** ** * * ** * * *** ******** *** * * * * *
* ** **** * * **** * ** * * * * * * ** * ** * **
**** * *** *** ** *** * *********** *** ***** * * *** * *** ** * *
* * ****** * * *** *** * **** * ** * * * * * && t>64){
* * ** * **** *** * * *** ** ** * * * * * * * * ********* **
*** * * * * ** * * * * ** * ** ** * * ** * * * ** *** *** * * * *
* ** * **** **** * *** * ** * * * *
** * * ** * ** ***** * * **** * *** *** if(t<123 && t>96){
* * ** ** * * ** * ** ** * **** *** * ** *** * * * **** ** ** * * *
* * ** * * * ** ** ** * * ** ********* ** * **** * * ** * * * ***** ***
** ****** * *** ** *** *** ** * * * * * * *
    }
* * ** * * ** ** ******** * ** *** *****
*** **** ***** * * * * * 0;
}
answered by (54 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()
{
    int i,t;
    char a[100];
** * ***** *** * ** *** * * * * **
*** *** * **** ***** * ** *** ** * * * *
** * ********* * **** * *** * ** **** * ** *
* * * * * * *** *** * **** * *** ** **** ** * ** ** * ** * ** * *
** *** * **** * ** ** ** ****** * *** * *** * * ** ** && t>64){
*** **** * * **** * *** * ** ****** *** * *** *** * *** * * * * * ** ***
** ** ***** * ** ** * * ** * * ** ** **** * *** * ***
* * ** * ** *** * * ** ** ******* ** * ***
***** ** * * * ** * * * * * * * * *** ** ** ** if(t<123 && t>96){
**** * *** * * * *** ******* * * *** ** ***** ** * * ******* ** *** *
* * * ** * *** *** ******** * *** ** * * *** * * * **** *
** * * ** * *** ** * * * *** ** *** *****
    }
* ***** **** *** * * **** **** * **** ** ***
*** * ** **** *** * *** 0;
}
answered by (54 points)
0 0
prog.c: In function 'main':
prog.c:7:15: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<strlen(a);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'
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>

int main() {
    char in[1000];
    int len=0,i;
** ** * * * **** * ** * **
*** ***** ***** * * ** ** *
* **** ****** ** ** * * * * {
** * ** * ****** * * ** * *** * ** **** * *** **** * ****** * * * ** * *** ******* {
* * * *** *** ** **** **** *** ** **** ** *** *** * ****** ** ** * ** ** ** *** * ** * in[i]+32);
** ** * * *** * * ** ** ** ** ** ** * *
* * ** * * *** * * * ** * * ** ***** **** **** * ** * * *** ** * ** ** * * {
* ** ** ***** * * * * * ** ** **** *** ***** ** * * **** * ********* **** ** in[i]-32);
* **** * * **** *** **** ****** **** ****
* * ** * ** ** ** * * ** * ** **** {
* * * *** * ** ** *** ** * ** * ** ********* * * * * ** *** ** * ** * * * ** in[i]);
*** * * ** ****** **** * * **** *** * ** * * ** *
    }
}
answered by (-120 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.80.233
©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
| 9.1k 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
| 8.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users