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replace_copy-30-Seconds-of-C++
#include <iostream> #include <vector> #include <algorithm> int main() { std::vector<int> origin {3, 5, 3, 1, 2, 3}; std::vector<int> destination; // Copy elements to destination replacing elements that are 3 by 0 std::replace_copy(origin.begin(), //first origin.end(), //last std::back_inserter(destination), //d_first 3, //old_value 0 //new_value ); // origin is still {3, 5, 3, 1, 2, 3} for (auto value : origin) { std::cout << value << " "; } std::cout << std::endl; // destination is {0, 5, 0, 1, 2, 0} for (auto value : destination) { std::cout << value << " "; } std::cout << std::endl; }
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