0 like 0 dislike
17.6k 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 | 17.6k 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:162.159.115.32
©2016-2026

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
| 12.2k 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
| 11.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users