Question

How to copy a 2D char array to char array without nested loops in C

Answer 1

#include <stdio.h>
#include <string.h>

#define ROWS 5
#define COLS 7
 
int main() {
    const char arr[][COLS] = {"c", "c++", "c#", "java", "python"};
    char dest[ROWS * COLS] = "";
    
    int rows = sizeof(arr) / sizeof(arr[0]);

    for (int i = 0; i < rows; i++) {
        strcat(strcat(dest, arr[i]), " ");
    }
      
    puts(dest);
    
    return 0;
}
  
  
  
/*
run:
  
c c++ c# java python

*/

 

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