58 lines
1.1 KiB
C++
58 lines
1.1 KiB
C++
/*
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VIM: let b:lcppflags="-std=c++14 -O2 -pthread -I."
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VIM: let b:wcppflags="/O2 /EHsc /DWIN32"
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VIM-: let b:cppflags=g:Iboost.g:Itbb
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VIM-: let b:ldflags=g:Lboost.g:Ltbb
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VIM-: let b:ldlibpath=g:Bboost.g:Btbb
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VIM-: let b:argv=""
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*/
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#include <iostream>
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#include <exception>
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#include <chrono>
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#include <algorithm>
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struct node
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{
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node * left;
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node * right;
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int value;
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};
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long long max_value_of_path_sum( node * root )
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{
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if ( !root ) {
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return 0;
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}
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auto lm = max_value_of_path_sum( root->left );
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auto rm = max_value_of_path_sum( root->right );
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return root->value + std::max(lm, rm);
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}
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int main ( void )
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{try{
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auto begin = std::chrono::high_resolution_clock::now();
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//......
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auto end = std::chrono::high_resolution_clock::now();
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std::chrono::duration<double> seconds = end - begin;
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std::cout << "Time: " << seconds.count() << std::endl;
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return 0;
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}
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catch ( const std::exception& e )
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{
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std::cerr << std::endl
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<< "std::exception(\"" << e.what() << "\")." << std::endl;
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return 2;
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}
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catch ( ... )
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{
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std::cerr << std::endl
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<< "unknown exception." << std::endl;
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return 1;
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}}
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