0 like 0 dislike
17.4k views
蝸牛爬牆問題

有一隻蝸牛,爬在一個高度為h公尺的牆上面,白天往上爬n公尺,晚上下降m公尺,目前蝸牛位於牆上i公尺的地方,蝸牛從白天開始爬,請問幾天後蝸牛會爬到牆頂。

 

請寫一個程式,輸入h,n,m,i四個變數,計算出蝸牛幾天後會爬到牆頂。

如果蝸牛不可能爬到牆頂,請輸出 this is impossible!。

 

輸入說明

依序輸入四個正整數代表h,n,m,i。

 

輸出說明

輸出一個數代表蝸牛幾天會爬到牆頂。

 

範例輸入1

50 5 2 3

 

範例輸出1

15

範例輸入2

100 10 15 0

範例輸出2

this is impossible!
[Exercise] Coding (C) - asked in 2016-1 程式設計(一)AC by (18k points)
ID: 20993 - Available when: Unlimited - Due to: Unlimited

reshown by | 17.4k views

144 Answers

0 like 0 dislike
Hidden content!
** ******** * **



int *

{

int *** * * ***


**** * * * * **** ** **
* * * * * * *
** ** ***** ** ** * * *
* * **** * * * * *


***



if * *

{
*** * * * * is * * * *** * **

}


* if ** * *

{
** * is * * ********

}




*** if *** *

{


** ** * * ******

}





















}
answered by (-383 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include <stdlib.h>



int main()

{
* ** * * ** * * * * * * h,n,m,i,a,b,c=0;
* ***** ** * * * * ***** * * * ***** * ** * ** ****** * ** * **
** ** * * **** *** * *
* * **** * * * * *
** * * * ** * * * ** **
**** * *** * ****** * * ***** ** * * * * * * ** * * is impossible!");
** * * *** * * * * ** * *

    {


** ** *** ******* *** * * ******* ** * * * * ** * *
**** * * * *** * * * ** **** ** ******* * ** **** * * * ** *
* ** *** ** * * ** * ** ** * ***** if(n<b)
***** **** *** ** ***** * *** ** *** **** ** ** * ** *** * * * *
** ***** ** ****** ** * ** **** * ** ** * * * * **** * * ",c);

    }
* * ****** *** **** ** * 0;

}
answered by (-85 points)
0 like 0 dislike
Hidden content!
**
* * ** ** **** * *
** *** * * ** * *
* ** * ** * * *

int main()

{
** ** * * * ** int h,n,m,i;
**** * * * * int * *
* **** * **

*** ** * ** * ******* * * * **
* **** * * * ** ** * ** *** ** **
* ***   ** * * * * * * * ** *
**   * ** *** *** ** *
*  

** * * * a=h-i;
* ***** * *** *** b=n-m;
* ** * * ** if * ** *
** ** * * * {
** * *   for * * * ****
* **   {
** ** * * ***     * *
** *       d=d+1;
*** * * * ** ** **** else
* **** * ** * d=d;
* ** ** ** * }
******** * ** ***

* *** ** * * ***
* * **** *** *
* * ** * *** ** **
* ** * ** ** * * **
* * ** ** * * * * ** **
* * **** * ** printf **** ** * * *
*** * *** * * *
* *** ** * *** ** * **
* ** * printf * ** ** is * ** ** *
** * *** *

* ** * return 0;

}
answered by (-136 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include <string.h>

#include <ctype.h>

#include <math.h>

#include <stdlib.h>

#include <assert.h>



int main(){
** * *** *** * ** ******* ** h,n,m,i;

    int day = 0;
** * * **** ** * * * loca;
* *** **** *** ** * j;
**** ******** *** ***** * **** *** ** * ** *** ** * * **
** * ***** *** *** = i;
***** * ** **** * ** **** **
**** ****** ** * * ** *** * ** * **** * = loca + n;
* * * ** * ** * *** ** * * * **** * * **
* * ****** * ******* * **** * ****** * * * *** * (loca >= h){
** * * * ** * *** ** * * ** * * * *** * *** * * * * * * * ** ** *** * *** * **** * ** * *
***** ** ** *** ** * * ***** * ***** *** * ** ** * ***** * * ** * *
*** ** ** ** *** * **** * * * ** ***** * ***** * ** * ***
*** ** **** * ** *** * * * * ** * = loca - m;
* ** *** ** *** ** ** * * * ** ***** * * *** <= (i-m)){
****** ***** ** * * *** **** * **** ** * **** ** * * *** **** * * * ** ** is impossible!");
**** * * ** *** * * ** * * * * ** *** ** ** ** ** * ** ** *
** * ** * ** ** * * *** * * * * **** * **** ** **** *
* ** * ** ** * * ***** * ******* ***
* * *** * *** * * 0;

}
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include<stdlib.h>

int main(void)

{
* ** ** * *** * ** * ***** * h,n,m,i;
**** * * ** *** ***** *** * ** %d %d * ******* ** * * * *** *
* * **** * *** ** * ** * (n<m)
** * ** ***** * * ***** **
*** * ** * * * * ** * * * **** * * *** ***** * is impossible!");
* * ***** * * *
* * * * ** ***
** **** * * * *
*** * **** * * * * * *** ***** * ****** day;
* ***** ********* * * ** * **
* * * * * ****** ** * **** ** ** * * **
** ** * * ** *

    

}
answered by (-124 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include <string.h>

#include <ctype.h>

#include <math.h>

#include <stdlib.h>

#include <assert.h>



int main(){
*** * * * **** ** **** *** h,n,m,i;

    int day = -1;
* **** **** *** * * * * * loca;
* ** **** ***** ** * **** j;
** ** * ** * *** ********* * * * ** * * * ** ** *** * * * * *** * * *
** * * ** * ** * ** = i;
* * * *** * *** ** * ******
*** ** * ** * ** ** * * * * ** ***** ** * = loca + n;
*** * *** * *** * * * ** * ****** * * *
**** * * ** * * ** * *** *** * * *** * * *** *** (loca > h){
** ** ****** ** * * * * ***** * ****** * * * * * * * * ** ****** *** ***** ** *
* **** * ** ** ** * * * *** * ***** * *** * * *** ** * * * **
* * ** * ** * *** * * * * * ** * ** ********** * * *** **
* * ** *** * * * * ** * * ***** *** *** = loca - m;
* * * * * * ***** ** * * ** *** ** **** < (i-m)){
*** * ** * * * ** * * *** * * ** * ** * **** ** **** *** * **** is impossible!");
* * **** ** ** * * ** * * ** * *** * * * ** ** ** **** * * *** *** * * *
** ** * ** * * ** * * * * * ******* *** * ** ***** ***
** ****** * * * * * ** * **
******* *** * ** ** * * 0;

}
answered by (-216 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>

#include<stdlib.h>

int main()

{
* * * ***** * ********* * h;
** * * * * ** **** ** * ** ** n;
*** * ** * * * *** ** * * * m;
* * * ***** * * * * * **** i;
*** * ** ***** * * * * day;
***** * * * ** * * ans;
* ** ********* ** ** * ** swn;

scanf("%d %d %d ** **** **** * ** *****



if(n<=m)
* **** **** * * *** ** *** ** * is impossible!");


** * *** * ** ***** * * *
* * * *** ** * *** *
* * * * *** *** *** * **** * ***** *** ** **
* ** * * **** * * ** * * * * * ** * * *** !=0)
*** *** * ** * **** ** * **** ** ** * **
*** *** *** *** ** * **** * * * *** * ** *** ** *** * * ** **** * *** * * *
** * * * ** * **** **** ***** **** * * * *** **
* * *** **** ********* ** ** *** ** ** * * ** * * *** * *****

    }

return 0;

}
answered by (-248 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>

#include<stdlib.h>

#include<ctype.h>

#include<string.h>



int main()

{

    int h,n,m,i,day_h,day=0;
* * **** * **** * * * ** ** *** * ** ******* * **
** * * ** * ** ** * *** *** * ** * * ** **
* * * *** * ** * ** ** * ** *
** * * * ** ** * * ******

    if(n <= m)
*** * * **** ** * * * *** * * ****** ** * ** this is impossible!");

    else if(i==h)
* ** *** ** * * * * *** * ******* ** * ** * * * * **

    else    
* * ** * * * *** ** ***** * ** * * * * ** * * * *
** **** * * ** ** ** **** *** ** * * ** *
*** *** * * ***** * ** * * **** ** * * ** * * * ** ** *
*** * ** ***** **** *** * *** **** ** *** ** * ** * * ** * ** * * * **
** **** * * ** * * **** * ****** * ** ** ** **** ** ** * **** * * * **** * *
* ******* * ** * ** *** ** ** * * *** * * * ** ** * **
* * **** * *** * * ** * *** *** * **** ** * * ***** * ****** ** * * *** *** * *** * *** *** ** *** **
*** ** * * * * * * *** * ******** * * * * ** * ** ** *** * ** * *** * ** ** * ** * **
* ***** * *** * ******* * * **** * * * * * * **** * * ******* ** *** ***
** *** ** **** *** * ** **** ** * * * ** ***** * ** **** *
* * **** * *** * ******** **** * **** ** ** * *** * ** **** ******* ** * ** *
*** * * ***** * * * * * * * ****** * ***

    return 0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
* ** *** ***



int

main()

{
* * * * high;
*** ** * n;
** m;
* * * i;
* *** days;
* * **** x;
*** * * y;
*** *** *** %d %d **** ** * * * * * **** ***** *
* * * = n - m;
****** = high - i;
* * * ** = y / x;
** *
** ***** *** * * *** ** ** *** * ** **
* * ** * ***
* * * * *** ** * * * ****** * ** *** * is **** * **** *

return 0;

}
answered by (-50 points)
0 like 0 dislike
Hidden content!
**** ** * *** **



int
*

{
* *** * high;
** ****** n;
**** * m;
* ** i;
* * *** days;
* x;
* ** y;
* * * * * %d %d * * * * ** * ** ** ***
* * = n - m;
** * * = high - i;
* ** ** ****
** * *** * *** * **** *** = y / x;
*** *
*** *** ** * * ** * * *** * *** is * ** ** *
* 0;

}
answered by (-50 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.130.92
©2016-2025

Related questions

0 like 0 dislike
3 answers
[Exercise] Essay (Open question) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20995 - Available when: Unlimited - Due to: Unlimited
| 1.2k views
0 like 0 dislike
28 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20984 - Available when: Unlimited - Due to: Unlimited
| 4.5k views
0 like 0 dislike
43 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20980 - Available when: Unlimited - Due to: Unlimited
| 6.4k views
0 like 0 dislike
39 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20978 - Available when: Unlimited - Due to: Unlimited
| 5.6k views
0 like 0 dislike
16 answers
[Exercise] Essay (Open question) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20974 - Available when: Unlimited - Due to: Unlimited
| 3.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users