1 like 0 dislike
13.5k 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 | 13.5k 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:172.70.126.216
©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
| 12.6k 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
| 11.6k 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
| 13.1k 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
| 10.3k 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
| 2.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users