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A hardware merchant sells steel bars at a flat rate of Kes 1000.00 per meter, and has announced the following discounts: Quantity of steel bar bought (per meter) Discount (%) <20 0 21-40 5 41-60 10 61-80 15 81-100 20 100 25 Implement the following programs: a) Using if..else statement, … |
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A hardware merchant sells steel bars at a flat rate of Kes 1000.00 per meter, and has announced the following discounts: Quantity of steel bar bought (per meter) Discount (%) <20 0 21-40 5 41-60 10 61-80 15 81-100 20 >100 25 Implement the following programs: a) Using if..else statement, … |
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Re:
I want to optimize a directory listing input iterator so that the WIN32_FIND_DATA can be written directly to a vector (via emplace) instead of being first written inside the iterator. This is an idea of the code: /* std::vector<WIN32_FIND_DATA> vwfd; struct listing_it:std::iterator<std::input_iterator_tag, WIN32_FIND_DATA>{ HANDLE handle; WIN32_FIND_DATA wfd; auto operator*()->wfd&{return *wfd;} … |