Find element inside a two dimensional array

  
#include <stdio.h>

int main(void)
{
  int maps[5][2] = {
    1, 14,
    2, 28,
    3, 19,
    4, 8,
    5, 15
  };

  int key;
  int i;

  printf("Enter the key: ");
  scanf("%d", &key);

  /* look it up in the table */
  for(i = 0; i < 5; i++)
    if(key == maps[ i ][ 0 ]) {
      printf("Key %d value pair to %d.\n",
             maps[ i ][ 1 ], key);
      break;
    }

  /* report error if not found */
  if(i == 5) 
      printf("value not listed.\n");

  return 0;
}

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Find element inside a two dimensional array : Array Two Dimension « Data Type « C / ANSI-C

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