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34 lines
800 B
C
34 lines
800 B
C
/*
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* C Program To Identify the Missing Number in an Integer
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* Array of Size N-1 with Numbers[1,N]
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*/
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#include <stdio.h>
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#define MAX 15
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int missing_number_array(int [],int);
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int main()
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{
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int a[MAX], num, i, n;
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printf("enter the range of array\n");
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scanf("%d", &n);
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for (i = 0; i < n; i++)
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{
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printf("enter a[%d]element into the array:", i);
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scanf("%d", &a[i]);
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}
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num = missing_number_array(a, n);
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printf("The missing number -> %d\n", num);
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}
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/* To find the missing number in array */
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int missing_number_array(int a[], int n)
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{
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int i;
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int s1 = 0;
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int s2 = 0;
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for (i = 0; i < n; i++)
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s1 = s1 ^ a[i];
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for (i = 1; i <= n + 1; i++)
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s2 = s2 ^ i;
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return (s1 ^ s2);
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} |