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Please write a program receive 2 sets of two-dimensional arrays: a[ ][ ] and b[ ][ ]; size 3*3. Then add a value of each element from a to b for example: a[0][0] + b[0][0], a[0][1] + b[0][1] and so on. Finally, output the summation of each addition.

For more information: http://pipls.net/41053/multi-dimensional-arrays-in-c-language

Input 1

1 2 3
4 5 6
7 8 9
1 1 1
1 1 1
1 1 1

Output 1

1 2 3
4 5 6
7 8 9
1 1 1
1 1 1
1 1 1
2 3 4
5 6 7
8 9 10

Input 2

1 1 1
0 0 0
1 1 1
2 2 2
2 2 2
2 2 2

Output 2

1 1 1
0 0 0
1 1 1
2 2 2
2 2 2
2 2 2
3 3 3
2 2 2
3 3 3

 

[Exercise] Coding (C) - asked in Chapter 4: Arrays by (5.9k points)
Available when: Unlimited - Due to: Unlimited
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18 Answers

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Hidden content!
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100/100 answered by (227 points)
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100/100 answered by (268 points)
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   ^~~~~~
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answered by (227 points)
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answered by (252 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
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Consider using 2 loops with scanf
0 like 0 dislike
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80/100 answered by (244 points)
edited by
0 0
prog.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
 include<stdio.h>
        ^
In file included from prog.c:2:0:
/usr/include/stdlib.h:100:8: error: unknown type name 'size_t'
 extern size_t __ctype_get_mb_cur_max (void) __THROW __wur;
        ^~~~~~
/usr/include/stdlib.h:427:22: error: unknown type name 'size_t'
 extern void *malloc (size_t __size) __THROW __attribute_malloc__ __wur;
                      ^~~~~~
/usr/include/stdlib.h:429:22: error: unknown type name 'size_t'
 extern void *calloc (size_t __nmemb, size_t __size)
                      ^~~~~~
/usr/include/stdlib.h:429:38: error: unknown type name 'size_t'
 extern void *calloc (size_t __nmemb, size_t __size)
                                      ^~~~~~
/usr/include/stdlib.h:441:36: error: unknown type name 'size_t'
 extern void *realloc (void *__ptr, size_t __size)
                                    ^~~~~~
/usr/include/stdlib.h:716:9: error: unknown type name 'size_t'
         size_t __nmemb, size_t __size, __compar_fn_t __compar)
         ^~~~~~
/usr/include/stdlib.h:716:25: error: unknown type name 'size_t'
         size_t __nmemb, size_t __size, __compar_fn_t __compar)
                         ^~~~~~
/usr/include/stdlib.h:725:34: error: unknown type name 'size_t'
 extern void qsort (void *__base, size_t __nmemb, size_t __size,
                                  ^~~~~~
/usr/include/stdlib.h:725:50: error: unknown type name 'size_t'
 extern void qsort (void *__base, size_t __nmemb, size_t __size,
                                                  ^~~~~~
/usr/include/stdlib.h:823:36: error: unknown type name 'size_t'
 extern int mblen (const char *__s, size_t __n) __THROW;
                                    ^~~~~~
/usr/include/stdlib.h:827:34: error: unknown type name 'size_t'
      const char *__restrict __s, size_t __n) __THROW;
                                  ^~~~~~
/usr/include/stdlib.h:834:8: error: unknown type name 'size_t'
 extern size_t mbstowcs (wchar_t *__restrict  __pwcs,
        ^~~~~~
/usr/include/stdlib.h:835:32: error: unknown type name 'size_t'
    const char *__restrict __s, size_t __n) __THROW;
                                ^~~~~~
/usr/include/stdlib.h:837:8: error: unknown type name 'size_t'
 extern size_t wcstombs (char *__restrict __s,
        ^~~~~~
/usr/include/stdlib.h:838:38: error: unknown type name 'size_t'
    const wchar_t *__restrict __pwcs, size_t __n)
                                      ^~~~~~
prog.c: In function 'main':
prog.c:17:4: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    printf(" %d",a[i][j]);
    ^~~~~~
prog.c:17:4: warning: incompatible implicit declaration of built-in function 'printf'
prog.c:17:4: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:19:3: warning: incompatible implicit declaration of built-in function 'printf'
   printf("\n");
   ^~~~~~
prog.c:19:3: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:24:4: warning: incompatible implicit declaration of built-in function 'printf'
    printf(" %d",b[i][j]);
    ^~~~~~
prog.c:24:4: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:26:3: warning: incompatible implicit declaration of built-in function 'printf'
   printf("\n");
   ^~~~~~
prog.c:26:3: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:37:4: warning: incompatible implicit declaration of built-in function 'printf'
    printf(" %d",c[i][j]);
    ^~~~~~
prog.c:37:4: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:39:3: warning: incompatible implicit declaration of built-in function 'printf'
   printf("\n");
   ^~~~~~
prog.c:39:3: note: include '<stdio.h>' or provide a declaration of 'printf'
0 0
# is missing

And try to make it receive members of arrays by a user without setting initial numbers
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
0 0
The question requires numbers to be input manually by a user.

Consider using 2 loops with scanf
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answered
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
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