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Update math/lcm_sum.cpp

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Co-authored-by: Ayaan Khan <ayaankhan98@gmail.com>
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chestamittal 2020-10-27 01:09:08 +05:30 committed by GitHub
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math/lcm_sum.cpp
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@ -25,7 +25,7 @@ namespace math {
* @param num input number
* @returns int Sum of LCMs, i.e. ∑LCM(i, num) from i = 1 to num
*/
uint64_t lcmSum(uint16_t num) {
uint64_t lcmSum(const uint16_t& num) {
uint64_t i=0, j=0;
std::vector <uint64_t> eulerTotient(num+1);