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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int n, i, position, newValue;
  5.     printf("Enter the size of the array: ");
  6.     scanf("%d", &n);
  7.  
  8.     int arr[n];
  9.     printf("Enter %d elements of the array:\n", n);
  10.     for (i = 0; i < n; i++) {
  11.         scanf("%d", &arr[i]);
  12.     }
  13.  
  14.     printf("Enter the position to replace (1 to %d): ", n);
  15.     scanf("%d", &position);
  16.  
  17.     if (position < 1 || position > n) {
  18.         printf("Invalid position!\n");
  19.         return 1;
  20.     }
  21.  
  22.     printf("Enter the new value: ");
  23.     scanf("%d", &newValue);
  24.  
  25.     // Replace the value
  26.     arr[position - 1] = newValue;
  27.  
  28.     printf("Updated array:\n");
  29.     for (i = 0; i < n; i++) {
  30.         printf("%d ", arr[i]);
  31.     }
  32.     printf("\n");
  33.  
  34. }
  35.  
Success #stdin #stdout 0s 5284KB
comments (?)
stdin 
5
1 2 3 4 5
4
100
stdout 
Enter the size of the array: Enter 5 elements of the array:
Enter the position to replace (1 to 5): Enter the new value: Updated array:
1 2 3 100 5
https://ideone.com/ejlmQr
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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