1 like 0 dislike
10.5k 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 | 10.5k 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:172.70.126.14
©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
| 10.4k 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
| 9k 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
| 10.1k 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
| 8.1k 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
| 2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users