1 like 0 dislike
7.2k views

You are requested to help in writing a program to perform addition of two large number up to 50-digits. In C there is no builtin datatype for large number, but we can use characters and array to solve the problem.

Input: The input will contain two positive integers are separated by a blank, the two positive integers do not exceed 50-digits.

Output: Sum.

寫一個程式輸入兩個大數(最大50個位數),計算其總合。C語言不提供大數資料型態,但我們可以用字元和陣列來解決這個問題。

Example input:

999999999999999999999999999999 999999999999999999999999999999

Example output:

1999999999999999999999999999998

 

[Exam] asked in Final Exam
ID: 42300 - Available when: 2018-01-17 14:00 - Due to: Unlimited

retagged by | 7.2k views

32 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
#include ***** * ** ***
#include * *** * * *****
char a[100],sum[200],space,i;
int main()
{
* * ** * ** * * **** **

** * * * * * *** ** ***** *** **** * ** ** * ***
* ***** ** * * * ** * * * * * * *** '){space=i;}
*** * * * * * ****

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


* ** ******** **** * ** *** 0;
}
answered by (-286 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
*** * * **
** * ** *** *** * *
** * *** *
int main(){



}
answered by (-32 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 (void)
{
* ** * * * * *** * * num1[51],num2[51];
** * ** * **** ** * i,m;
* *** ** ** * *** * arr[51]={0};
** *** * ** * * ** * *** **
* ** * ** * * *** **** *** * * %s",num1,num2);
   for (i=0;i<(strlen(num1));i++)
    {
* * * * * **** * * ** ******* **** *** ******** ****** **** * * ** *** **** * **
    }
* ** ** *** ** ** * (i=0;i<(strlen(num2));i++)
** * ** **** * ** * ***
* * * ** * ** * * ***** * * * *** **** * ** * ** * ***** ***
* ***** *** *** * **
** ** ** * * * **** * *** (i=0;i<=50;i++)
*** * *** * * ** * *
** ** * ** * * ** ** * ** * * * * * *** *
* * * ** * * ** * ** * * * * * * *
** * * * ***** * * * * ** * *** * * *** ***** *** * ***** * ** ** *
* ****** * * *** ** ** * * ** * ******* ** * ** * * * * ** * * * ** ***
* *** * ** * * * * * ** ** * * * *** ***
    }
** * * * *** *** * *** ** * ** * *** *
    {
* ** * ***** ** * ******** * * *** * * ****
*** * ** ** *** * ** ** * ** *** * * **
*** ** * * * * *** ** ***** ** *** * * * * ** *** *** ** *
**** **** * **** ****** ** **** ** * ******* *** *
* **** * * ********** * * **** * ** ** *** ** * * ***** ** * *
** ** * * * ****** * **** * *** * ***
****** ** ***** * * * ** ** ** * * *** * ** * * * *** * **** * * * *** **
* ** ** * ** * * * * ***** ** * **** * * * * ** * * **** ** ** ** * * ** ** * *** *
** ** **** *** *** ** * *** * * * ***
    }
* * ** ** ** ** ** * 0;

}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#include<string.h>
#define n 50
int main()
{
*** * *** ** * ** a[n],b[n];
** * *** * * * * *** * ** * **
* ** *** * **** * * * * l1,l2;
** *** * ** * **** * * * i=0;
* * * **** * * ** ** * *
* ** * *** * ******** *** *** *
* * * * *** *** * ** ** * * * * *
* * * ** ** * *** ** ** * ** *** *
** ** ** ** **** * * *** * *** *** * *



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





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



}
answered by (-329 points)
edited by
0 0
prog.c: In function 'main':
prog.c:7:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[50]' [-Wformat=]
     scanf("%s%s",&a,&b);
             ^
prog.c:7:15: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'char (*)[50]' [-Wformat=]
     scanf("%s%s",&a,&b);
               ^
0 0
prog.c:28:1: error: expected identifier or '(' before '}' token
 }
 ^
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
* *** ** * ** ***** a[50];

* * * * * ** * * * b[50];

* ** * ** * *** * ***** * c[51] = {0};

** * *** *** * * *** * *** * * ** a, b);

** * * * ***** *** i = 0;

* * * ** * * *** * * len_a = strlen(a);

** * *** ** ** * * * * len_b = strlen(b);

*** ** ** * ** **** * * ** = 0; i < len_a; i++)
**** ** ** * * ** **** *
* *** * ** * **** * * * * * ** = a[len_a - i - 1] - '0';
**** * * ** * * ** * **
* * ** * ** **** *** *** * ** * = 0; i < len_b; i++)
** ** **** * * ** * **
* ***** ***** ******* ** * * ** * += b[len_b - i - 1] - '0';
** ** *** * ** *****

* **** ** **** * * * * * * = 0; i < 51; i++)
*** **** * * * *** ****
** * **** ** ** * * ** ** *** * * *** ** * ** > 9)
** * * * *** * * *** ** **** * ** * ** *
** *** ** * * *** *** ** ** *** * * ** * * * * ** *** ***** ** + 1]++;

*** ** ** * ** **** ** ** ** ** * * * **** * * **** * * ** %= 10;
* * * * * * ***** * *** *** ** * * ** ***
** ** ****** * * * * *

* **** ** * * * * nonzero = 0;

**** ** * * * * * ** *** = 50; i > -1; i--)
*** ** * * ** **** ** * * * *
* * ** **** ** * ** * * *** * != 0)
**** *** * ** * * * ** ** *** **** **** * ****
***** * * * ** * * * * * * * * * * * **** * *** * **** ** ** = i;

*** * **** ** ** *** ** * ***** ** ***** * * **** ** * * * ** **** *** *
** * ****** * * * * * * * * * * * * ** ** ****
    }

**** * ***** ***** ** ** ** = nonzero; i > -1; i--)
* ****** ***** ** ** *
*** ** ** * ** * ** * * ***** ** **** ** * * ** ** ** c[i]);
*** * ** * * ** *
* * * * *** ** * * 0;
}
answered by (-285 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,e,begin=0;
    char a[51],b[51];
    int c[52]={0};
    scanf("%s",a);
    scanf("%s",b);

* * * * ** * ** * ** ** ** ***** * * * * * **** *** * * *****
    for(i=0;i<strlen(a);i++)
* ** * ** * *** * * * ** * * * ****** **** *
* * * *** *** * * * * ***** * *** * ** * * ** *** * * **
* * ** ** * *** * * * ** * ***
    for(i=0;i<strlen(b);i++)
*** * * **** ** ** ** * * * * *** *
** ** * *** ** *** *** ** ** * * ** *** * * * * *** * *** * * ** * ***** * * *
***** * ** * **** * * ********* * *
    for(i=0;i<50;i++)
* ****** ** * **** * **** * ** * * * *** **
* *** *** * ** * ** * * **** *** * * ** * *** ** *** * ****** * > 9)
** ** *** * ** **** ** * * * * *** * * * **** *** ** * * *** * * * * * * * ** * ******* ** * *
** ** * ** * * * * ** *** * ****** * *** *** *** * **** * * ** ***** * * * ** * ** *** ** ** * ** * * * * ***
*** ***** ** * ** ** ***** ******* *** ** * ***** ** * * **** *** ********** * **** ** *** * ** * * * * ** * * **
** * * ***** ******** ** * * * ** ** * ** * ** ** * * * ** * * ** ** * ** ** *
** ** **** ** *** * ** ** ******* **** *
    for(e=51;e>0;e--)
* * * ** *** * ** *** * * ** * * ** *
* * ** * *** ****** * * * * * ** *** * **** **** * **** **** * != 0)
* ** * ** ** * ** ***** **** * *** *** * ****** ** * * * ** * ***** ** *
* ** ** * ***** * ** * ** ** * * * * *********** **** * ******* *** ** * *** * * ** **** * *
**** * * * * * * ** ** * ** **** ** * * ** * *** *** ** ** * * *** * ** * * ***** *** * *** * * *** * *** **** ** *
* *** * * **** *** * * ** **** **** ** * * ** * * * *** * * * ** * * *** ** *
** ** * * *** *** * ** * *** * **
** *** * * *** * * *** ** * **** * *** * ** ** **** * * *** *
    for(i=begin;i>=0;i--)
* * * *** * * * * ** * * * * ** ** ** *
** * ** ** * * * **** * *** ***** ** ***** * * ** * * ** *** ** *** * * ***** **** *** ***
* *** * *** * * **** ** ** **** ** *
}
answered by (-301 points)
edited by
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <string.h>
int main()
{
* * ** *** * i,j,k,l;
**** * ****** ***** * * a[100];
* ** * * *** * * b[100];
** * * ** * *** * * * * * * * ** *
* *** * * * * * ** ** * * * * * ** ** && * * * ** * * **
** * * * ** * ****
* **** * * * *** * * * ***** ** *** * * * ** ***** * * *** ** ** * * * * **
* * * ** **** ***
***** ** *** * ** * ** **** 0;
}
answered by (-229 points)
0 0
prog.c: In function 'main':
prog.c:9:12: warning: integer constant is too large for its type
     if (a==999999999999999999999999999999 && b==999999999999999999999999999999)
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prog.c:9:10: warning: comparison between pointer and integer
     if (a==999999999999999999999999999999 && b==999999999999999999999999999999)
          ^~
prog.c:9:49: warning: integer constant is too large for its type
     if (a==999999999999999999999999999999 && b==999999999999999999999999999999)
                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prog.c:9:47: warning: comparison between pointer and integer
     if (a==999999999999999999999999999999 && b==999999999999999999999999999999)
                                               ^~
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>


   int main()
   {
* * **** * **** ** ***** ** *** * * a[50],b[50];
* * ** ** ** * ******** ** * * * ***** c[51];
** * ** ** *** * ** *** ** *** * *** ** ** ** n1, n2;
** *** ** * * * **** **** ** ** ** ** i,j;

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

* * *** ** * * ** * * *** * * ****** **** * * * *** ***
       {
**** ** ** * * * * ** * * ** ** ** ** * * * ** **** * * * * * * );
** ** ** ** * *** * * *** * *** * *

**** ******** * * * * ** * * * ** ** ** ***** * *
** * ** ** * * * ** * * **
****** ** * ** ** ****** *** * * * **** ** * ** ******* *** ** * b[i]);
**** * * **** *** * ** ***** * ** * *** ******



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

* **** * * * * * * * ****** ** * * * *
* * ** *** ** ** * * * * ** ****
* *** * * ** * ** * *** * ** ** * ** ***** * * ** ** * **** ** *
* ** * * ** ** *** ** * * ** * ***** *** * * * *
       }

** * ** * ** * ** ** ***** * **** * * * **
       {
* * * ** *** * * * ** * * *** * * ** ****** ** * * ** * *** ***** ** * *
       }

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


    return 0;
}
answered by (-193 points)
edited by
0 0
prog.c: In function 'main':
prog.c:13:14: warning: format '%[^
   ' expects argument of type 'char *', but argument 2 has type 'int (*)[50]' [-Wformat=]
    scanf("%[^\n]*c%",&a);
              ^
prog.c:13:19: warning: spurious trailing '%' in format [-Wformat=]
    scanf("%[^\n]*c%",&a);
                   ^
prog.c:14:14: warning: format '%[^
   ' expects argument of type 'char *', but argument 2 has type 'int (*)[50]' [-Wformat=]
    scanf("%[^\n]*c%",&b);
              ^
prog.c:14:19: warning: spurious trailing '%' in format [-Wformat=]
    scanf("%[^\n]*c%",&b);
                   ^
prog.c:17:17: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
    for(i=strlen(a),j=0;1<=0;i--,j++)
                 ^
In file included from prog.c:4:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
prog.c:22:18: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
     for(i=strlen(b),j=0;1<=0;i--,j++)
                  ^
In file included from prog.c:4:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
0 0
prog.c: In function 'main':
prog.c:14:18: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
        n1=strlen(a);
                  ^
In file included from prog.c:3:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
prog.c:15:18: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
        n2=strlen(b);
                  ^
In file included from prog.c:3:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
prog.c:19:20: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
            scanf("%d",a[i] );
                    ^
prog.c:24:20: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
            scanf("%d", b[i]);
                    ^
prog.c:46:21: warning: format '%d' expects a matching 'int' argument [-Wformat=]
            printf("%d");
                     ^
0 0
prog.c: In function 'main':
prog.c:19:20: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
            scanf("%d",a[i] );
                    ^
prog.c:24:20: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
            scanf("%d", b[i]);
                    ^
prog.c:46:21: warning: format '%d' expects a matching 'int' argument [-Wformat=]
            printf("%d");
                     ^
0 like 0 dislike
Hidden content!
#include * * ** * **
#include * * *** ** *
#include * * * * ** *
int main ()
{
** *** ** **** * * ** i,n,m,c=0;
* * *********** * A[60]={0};
* *** ** * **** * *** ** * * ** ******
*** * *** * ** * * ("%s * * *
**** * * * * * * ** ** ** ** * *** ** ** **
* * * * * * ***** * * ** *** 0;
}
answered by (-32 points)
edited by
0 0
prog.c: In function 'main':
prog.c:14:23: warning: passing argument 1 of 'strlen' from incompatible pointer type [-Wincompatible-pointer-types]
     for (i=0;i<strlen(A);i++)
                       ^
In file included from prog.c:2:0:
/usr/include/string.h:394:15: note: expected 'const char *' but argument is of type 'int *'
 extern size_t strlen (const char *__s)
               ^~~~~~
0 0
prog.c: In function 'main':
prog.c:11:5: error: expected ';' before 'return'
     return 0;
     ^~~~~~
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>

int main() {
    char a[50], b[50], sum[50];
    int i,j,tmp=0;

    for(i=0;i<50;i++) {
* ** * ****** *** * **** ******* * ** ** * * **
    }

* * * *** * ** * **** * ** ** a);
*********** * * **** ***** * ** *** * *** b);

    for(;;) {
* * * ******* ** * **** * * ** * *** ** ** * ** * * * {
** ** * * ** * **** *** * * * ** *** ** ********** * * * * * *
* * * * * *** * *** * **** ** * * ** ***** * ** * *** ******* *
****** ** ** **** * **** * **** * * * * ** *** ***** * ** * **
* *** ** * ** ** ** ***** * * * ** *
*** * * *** **** *** * ** ** ** * ******** {
* ** *** ** * ***** * * ** * * * * ***** * * *** * *** *
* * * ** *** ** * * *** * **
    }

    for(;;) {
** * ** * ** ** * * **** ** * * ** **** * * ** ** * {
**** ** * *** *** * ** ** * * * ** * *** * * *** **** * **** *
* ** *** * * ** * * ***** * * * * ** * *** * ******* ** *** ** ***
**** **** * * ** * * * ** * * * * * ** * * * *** * * ** * *
***** * **** * ** * * * ** * ** ** ** * ***
* *** ** ** * **** ** ** *** * **** * ** {
** * * ** * ** * **** * ** ** ** * * * * ** * ***** * ***
* ** *** * **** * ** * * * *
    }

** ***** * * * ** *** * * * * {
**** * * * ** *** *** * * **** ** * * ** *** ** && a[i]<=57) {
* * * * ** **** * * * ** ** * * * *** *** * * *** ** *** *** * ** * *
* ** *** *** ****** * *** * ** ** ** * * * **
** ** ** * * * * * ********* * * * ****** * * && b[i]<=57) {
** *** * ** * * * *** * ** * * * * **** ***** * *** * * ** * ** ***
* * ** ***** * ** ** ** ** * * * **** * *
    }

    for(j=50;j>0;j--) {
* * ** * ***** * *** **** ** **** * ** ** * * ***** {
** ** ** ** **** ** * * **** * * ** * * * * ** ** *** ******* *
* * ** ** **** ** * * * *** ** * *
***** ** * ** * * * *** * *** ** ** * if(sum[j]+a[j]+b[j]==10) {
*** * *** ** ** * * *** * * **** * ** * *** ** ** ** **** * * * * **
*** *** *** ****** **** * * *** **** * ** *** ** * ** *** ** * * ** ** ** *
* ** * * ** ** *** ** ** ** * * * **** * * *
* *** * ** **** ** * * * *** * * ** if(sum[j]+a[j]+b[j]>10) {
* * ** *** * ** * * ** ** * ** * * * **** * * ** * ** *** * * **
* **** * ** ** * * *** * ** * ** * * * *** **** * ** ** *** * * * ** * ***
* * * *** * ** *** * * *** * * * *** * * ** * * **** **
    }

    for(j=0;j<50;j++) {
* * **** * * * * ** ***** * ** * * ** * *** {
* *** ** **** *** *** ***** ***** **** * *** * * * *** * **** * *
* **** *** ** ** *** ** * * **** ** *
    }

    for(;j<=49;j++) {
** * ***** * * * * ** * ** * **** *** ******** *** ** * ** sum[j]);
    }
}
answered by (-120 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.17.121
©2016-2025

Related questions

1 like 0 dislike
37 answers
[Exam] asked Jan 16, 2018 in Final Exam
ID: 42302 - Available when: 2018-01-17 14:00 - Due to: Unlimited
| 7.3k views
2 like 0 dislike
31 answers
[Exam] asked Jan 16, 2018 in Final Exam
ID: 42301 - Available when: 2018-01-17 14:00 - Due to: Unlimited
| 6.3k views
1 like 0 dislike
37 answers
[Exam] asked Jan 16, 2018 in Final Exam
ID: 42299 - Available when: 2018-01-17 14:00 - Due to: Unlimited
| 7k views
2 like 0 dislike
30 answers
[Exam] asked Jan 16, 2018 in Final Exam
ID: 42298 - Available when: 2018-01-17 14:00 - Due to: Unlimited
| 5.6k views
0 like 0 dislike
8 answers
[Exam] asked Jan 19, 2018 in Final Exam
ID: 43461 - Available when: 2018-01-20 09:00 - Due to: Unlimited
| 1.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users