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October 7, 2023Graphs
October 7, 2023Arrays
| Question 1 |
Consider the following C program.
#include
int main () {
int a [4] [5] = {{1, 2, 3, 4, 5},
{6, 7, 8, 9, 10},
{11, 12, 13, 14, 15},
{16, 17, 18, 19, 20}};
printf (“%d\n”, *(*(a+**a+2) +3));
return (0);
} The output of the program is _______.
| 19 |
Question 1 Explanation:
Check out the step by step program and its output in the comment:
#include
int main()
{
int a[4][5] = { {1,2,3,4,5},
{6,7,8,9,10},
{11,12,13,14,15},
{16,17,18,19,20}
};
printf(“%d\n”,a); //880 (consider base address = 880)
printf(“%d\n”,*a); //880
printf(“%d\n”,**a); //1
printf(“%d\n”,**a+2); //3
printf(“%d\n”,a+**a+2); //940
printf(“%d\n”,*(a+**a+2));//940
printf(“%d\n”,*(a+**a+2)+3);//952
printf(“%d\n”,*(*(a+**a+2)+3));//19
return 0;
}
#include
int main()
{
int a[4][5] = { {1,2,3,4,5},
{6,7,8,9,10},
{11,12,13,14,15},
{16,17,18,19,20}
};
printf(“%d\n”,a); //880 (consider base address = 880)
printf(“%d\n”,*a); //880
printf(“%d\n”,**a); //1
printf(“%d\n”,**a+2); //3
printf(“%d\n”,a+**a+2); //940
printf(“%d\n”,*(a+**a+2));//940
printf(“%d\n”,*(a+**a+2)+3);//952
printf(“%d\n”,*(*(a+**a+2)+3));//19
return 0;
}
Correct Answer: A
Question 1 Explanation:
Check out the step by step program and its output in the comment:
#include
int main()
{
int a[4][5] = { {1,2,3,4,5},
{6,7,8,9,10},
{11,12,13,14,15},
{16,17,18,19,20}
};
printf(“%d\n”,a); //880 (consider base address = 880)
printf(“%d\n”,*a); //880
printf(“%d\n”,**a); //1
printf(“%d\n”,**a+2); //3
printf(“%d\n”,a+**a+2); //940
printf(“%d\n”,*(a+**a+2));//940
printf(“%d\n”,*(a+**a+2)+3);//952
printf(“%d\n”,*(*(a+**a+2)+3));//19
return 0;
}
#include
int main()
{
int a[4][5] = { {1,2,3,4,5},
{6,7,8,9,10},
{11,12,13,14,15},
{16,17,18,19,20}
};
printf(“%d\n”,a); //880 (consider base address = 880)
printf(“%d\n”,*a); //880
printf(“%d\n”,**a); //1
printf(“%d\n”,**a+2); //3
printf(“%d\n”,a+**a+2); //940
printf(“%d\n”,*(a+**a+2));//940
printf(“%d\n”,*(a+**a+2)+3);//952
printf(“%d\n”,*(*(a+**a+2)+3));//19
return 0;
}
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