63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
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/*
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* C Program to search for an element in a list using
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*/
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#include <stdio.h>
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int search(int [], int, int);
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int main()
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{
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int size, index, key;
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int list[20];
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int count = 0;
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int i;
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printf("Enter the size of the list: ");
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scanf("%d", &size);
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index = size;
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printf("Printing the list:\n");
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for (i = 0; i < size; i++)
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{
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list[i] = rand() % size;
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printf("%d\t", list[i]);
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}
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printf("\nEnter the key to search: ");
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scanf("%d", &key);
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while (index > 0)
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{
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index = search(list, index - 1, key);
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/* In an array first position is indexed by 0 */
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printf("Key found at position: %d\n", index + 1);
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count++;
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}
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if (!count)
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printf("Key not found.\n");
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return 0;
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}
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int search(int array[], int size, int key)
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{
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int location;
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if (array[size] == key)
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{
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return size;
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}
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else if (size == -1)
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{
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return -1;
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}
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else
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{
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return (location = search(array, size - 1, key));
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}
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}
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/*
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*OUTPUT:
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Enter the size of the list: 10
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Printing the list:
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3 6 7 5 3 5 6 2 9 1
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Enter the key to search: 5
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Key found at position: 6
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Key found at position: 4
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*/
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