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  1. #include <stdio.h>
  2. #define SIZE 100
  3.  
  4. int linearSearch(const int array[], int key, size_t size);
  5.  
  6. int main(void) {
  7.     int a[SIZE] = {0};
  8.  
  9.     for (size_t x = 0; x < SIZE; ++x) {
  10.         a[x] = 2 * x;
  11.     }
  12.  
  13.     int searchKey = 36;
  14.     int subscript = linearSearch(a, searchKey, SIZE);
  15.  
  16.     if (subscript != -1) {
  17.         printf("Found value at subscript %d\n", subscript);
  18.     } else {
  19.         printf("Value not found\n");
  20.     }
  21.  
  22.     return 0;
  23. }
  24.  
  25. int linearSearch(const int array[], int key, size_t size) {
  26.     if (size == 0) {
  27.         return -1;
  28.     }
  29.     if (array[size - 1] == key) {
  30.         return size - 1;
  31.     }
  32.     return linearSearch(array, key, size - 1);
  33. }
Success #stdin #stdout 0s 5324KB
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Standard input is empty
stdout
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Found value at subscript 18
https://ideone.com/TiLg0y
language:
C (gcc 8.3)
created:
1 hour ago
visibility:
public

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