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- public static void main(String[] args) {
- int intArray[] = {0,1,3};
- missingNumber(intArray);
- }
- public static void missingNumber(int[] intArray) {
- int sum1 = 0;
- int n = intArray.length;
- for (int i : intArray) {
- sum1 += i;
- }
- int sum2 = (n) * (n + 1) / 2;
- System.out.println(sum1);
- int difference = sum2-sum1;
- System.out.println(difference);
- // for (int i = 1; i < intArray.length; i++) {
- //
- //
- // if (intArray[i] != intArray[i - 1] + 1) {
- // System.out.println(intArray[i] - 1);
- // }
- // }
- }
- }
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