mark occurances of elements in array cpp
int sumOfDistinct(int a[], int n){
int sum = 0;
for (int i = 0; i < n; i++) {
// If element appears first time
if (a[abs(a[i]) - 1] >= 0) {
sum += abs(a[i]);
a[abs(a[i]) - 1] *= -1;
}
}
return sum;Copyright © 2021 Codeinu
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