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Create 2894. Divisible and Non-divisible Sums Difference #806

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Merged
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May 27, 2025
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Create 2894. Divisible and Non-divisible Sums Difference #806

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11 changes: 11 additions & 0 deletions 2894. Divisible and Non-divisible Sums Difference
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Original file line number Diff line number Diff line change
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class Solution {
public:
int differenceOfSums(int n, int m) {
// we need to find S(n)-2*(divisibles)

// no of divisibles
int x=n/m;

return (n*(n+1))/2-2*m*((x*(x+1))/2);
}
};
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