nCr

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Sun Aug 20 2023 17:53:58 GMT+0000 (Coordinated Universal Time)

Saved by @SriyaBL

int nCr(int n, int r) {
    long long res = 1;

    // calculating nCr:
    for (int i = 0; i < r; i++) {
        res = res * (n - i);
        res = res / (i + 1);
    }
    return res;
}
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https://takeuforward.org/data-structure/program-to-generate-pascals-triangle/