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i wrote a program by using 2d array.Now i cannot understand

Md Nayeem

8y880

I wrote a program by using 2d array.Now i cannot understand where is the problem in this program:

#include

main()

{

int i,j;

int arr[2][5]={{1,2,3,4,5},{6,7,8,9,10}};

for(i=0;i<10;i++){

int flag = 1;

if (arr[i][j] == 1) flag = 0;

{

for(j=2;j<=arr[i][j]/j;j++){

if (arr[i][j]%j == 0) {

flag = 0;

break;

}

if (flag)

printf("This is num:%d \n",arr[i][j]);

}

return 0;

}

2 Replies

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Md Nayeem8y ago
i was trying to write a program for storing 10 number into two dimensional arry & Print Only Prime Number.As i am new in c programming.How can i solve this programming problem.
Midhun Tp8y ago
Hi,

Can you please share what is the logic behind your code?

Anyways below code won't work -

if (flag)
printf("This is num:%d \n",arr[i][j]);

In your if condition your are passing an integer. You should pass boolean

declare flag as bool and give value as true.