include<iostream> #include<algorithm> using namespace std; int main() { // freopen("input.txt","r&quo
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Trie Data Structure | Part 3 | Memory Efficient Implementation using STL | faad coder | C++ - YouTube
![c++ - why is freopen() not working on Microsoft Visual Studio but working on CodeBlocks? - Stack Overflow c++ - why is freopen() not working on Microsoft Visual Studio but working on CodeBlocks? - Stack Overflow](https://i.stack.imgur.com/k40ph.jpg)
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