Number of Ways to Buy Pens and Pencils LeetCode solution in C++

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class Solution {
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 public:
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  long long waysToBuyPensPencils(int total, int cost1, int cost2) {
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    long long ways = 0;
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    long long penscost = 0;
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    while (penscost <= total) {
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      long long remainingAmount = total - penscost;
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      long long pencils = remainingAmount / cost2 + 1;
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      ways += pencils;
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      penscost += cost1;
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    }
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    return ways;
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  }
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};