row « memory « C Array Q&A

1. Assigning 2d dynamic row to 1d array    stackoverflow.com

I'm trying to assign ith row values of 2d array to 1d array. Those arrays are created dynamically. My code is:

#include <stdio.h>
#include <stdlib.h>

#define N 10
#define FRAC 10

int main(int argc, char *argv[]){

 ...